최소 단어 이상 선택하여야 합니다.
최대 10 단어까지만 선택 가능합니다.
다음과 같은 기능을 한번의 로그인으로 사용 할 수 있습니다.
NTIS 바로가기다음과 같은 기능을 한번의 로그인으로 사용 할 수 있습니다.
DataON 바로가기다음과 같은 기능을 한번의 로그인으로 사용 할 수 있습니다.
Edison 바로가기다음과 같은 기능을 한번의 로그인으로 사용 할 수 있습니다.
Kafe 바로가기국가/구분 | United States(US) Patent 등록 |
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국제특허분류(IPC7판) |
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출원번호 | US-0319544 (2009-01-08) |
등록번호 | US-8386199 (2013-02-26) |
발명자 / 주소 |
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출원인 / 주소 |
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인용정보 | 피인용 횟수 : 3 인용 특허 : 45 |
A system for monitoring the starter battery of a vehicle includes a central processing unit, a voltage sensor, a temperature sensor, a timer, a data store, and a display. A collection of computer software algorithms are executed by the central processing unit to ascertain the operational state of a
A system for monitoring the starter battery of a vehicle includes a central processing unit, a voltage sensor, a temperature sensor, a timer, a data store, and a display. A collection of computer software algorithms are executed by the central processing unit to ascertain the operational state of a vehicle's starter battery. The algorithms are operative to determine engine start time, initial start voltage drop, and the charge state of the battery.
1. A battery monitoring system comprising: a ground line for coupling to a ground terminal of a battery installed in a vehicle;an input line for coupling to a positive terminal of said battery;a voltage sensor coupled to said input line and said ground line and operative to provide voltage data indi
1. A battery monitoring system comprising: a ground line for coupling to a ground terminal of a battery installed in a vehicle;an input line for coupling to a positive terminal of said battery;a voltage sensor coupled to said input line and said ground line and operative to provide voltage data indicative of an output voltage of said battery, said voltage data including voltage data acquired during a time period from when a starter of said vehicle is energized by said battery and an engine of said vehicle starts and being indicative of an initial drop in said output voltage of said battery;memory operative to store data and code; anda processing unit coupled to said memory and said voltage sensor and responsive to said code being operative to receive said voltage data from said voltage sensor,retrieve voltage data previously provided by said voltage sensor from said memory, said previously provided voltage data being indicative of initial drops in said output voltage of said battery during previous time periods when said starter of said vehicle is energized;compare said voltage data from said voltage sensor to said voltage data previously provided by said voltage sensor,determine whether said voltage data differs from said previously provided voltage data by at least a predetermined amount, andgenerate a notification signal when said voltage data differs from said previously provided voltage data by at least said predetermined amount; and whereinsaid processing unit is operative to compare said initial drop in said output voltage of said battery with said initial drops in said output voltage of said battery during said previous time periods. 2. The battery monitoring system of claim 1, wherein said processing unit determines when said starter is engaged by analyzing said voltage data. 3. The battery monitoring system of claim 1, further comprising a timer coupled to said processing unit and operative to provide time data to said processing unit. 4. The battery monitoring system of claim 3, wherein responsive to said voltage data and said time data said processing unit is operative to: generate start time data indicative of a length of said time period from when said starter of said vehicle is energized by said battery to when said engine of said vehicle starts;retrieve start time data previously generated by said processing unit and stored in said memory;compare said start time data to said previous start time data; andgenerate said notification signal when said start time data differs from said previous start time data by at least a predetermined amount of time. 5. The battery monitoring system of claim 3, wherein responsive to said voltage data and said time data said processing unit is operative to determine whether a predetermined post-operation time period has passed since said engine of said vehicle last operated. 6. The battery monitoring system of claim 5, further comprising: a temperature sensor operative to provide temperature data indicative of a temperature of said battery; and whereinsaid processing unit is operative to compare said voltage data from said voltage sensor to said voltage data previously provided by said voltage sensor based at least in part on said temperature data. 7. The battery monitoring system of claim 6, wherein: said temperature sensor is disposed remotely from said battery; andsaid processing unit is operative to use said temperature data as indicative of said temperature of said battery only after said post operation time period has passed and before said engine is next started. 8. The battery monitoring system of claim 5, wherein responsive to said voltage data and said time data said processing unit is operative to: generate start time data only if said post-operation time period has passed since said engine last operated, said start time data indicative of a length of said time period from when said starter of said vehicle is energized by said battery to when said engine of said vehicle starts; andstore said start time data generated by said processing unit in said memory. 9. The battery monitoring system of claim 5, wherein: said voltage data is acquired during said time period from when said starter of said vehicle is energized by said battery and said engine of said vehicle starts, only if said post-operation time period has passed since said engine last operated;andsaid processing unit is operative to store said voltage data in said memory. 10. The battery monitoring system of claim 1, further comprising: a temperature sensor operative to provide temperature data indicative of a temperature of said battery; and whereinsaid processing unit is operative to compare said voltage data from said voltage sensor to said voltage data previously provided by said voltage sensor based on said temperature data and temperature data associated with said voltage data previously provided by said voltage sensor. 11. The battery monitoring system of claim 1, further comprising: a timer coupled to said processing unit and operative to provide time data to said processing unit; anda temperature sensor operative to provide temperature data indicative of a temperature of said battery; and whereinsaid processing unit is operative to determine the operational state of said battery based solely on said voltage data, said time data, said temperature data, said voltage data previously provided by said voltage sensor and stored in said memory, time data previously provided by said timer and stored in said memory, and temperature data previously provided by said temperature sensor and stored in said memory. 12. A method for monitoring a battery, said method comprising: receiving voltage data indicative of the output voltage of a battery in a vehicle;storing said voltage data in memory to create stored voltage data;receiving new voltage data indicative of the output voltage of said battery, said new voltage data including voltage data acquired during a time period from when a starter of said vehicle is energized by said battery and an engine of said vehicle starts and being indicative of an initial drop in said output voltage of said battery during a recent engine start;retrieving said stored voltage data, said stored voltage data being indicative of initial drops in said output voltage of said battery during previous engine starts;comparing said new voltage data to said stored voltage data using a processing unit;determining whether said new voltage data differs from said stored voltage data by at least a predetermined amount; andgenerating a notification signal when said new voltage data differs from said stored voltage data by at least said predetermined amount; and whereinsaid step of comparing said new voltage data to said stored voltage data includes comparing said initial drop in said output voltage of said battery during said recent engine start with at least one of said initial drops in said output voltage of said battery during previous engine starts. 13. The method of claim 12, further comprising identifying said time period from when said starter of said vehicle is energized by said battery and said engine of said vehicle starts by monitoring said output voltage of said battery. 14. The method of claim 12, further comprising: receiving time data; andassociating said time data with said voltage data. 15. The method of claim 14, further comprising: determining from said new voltage data and said associated time data the duration of a current start time period from when said starter of said vehicle is energized by said battery to when said engine of said vehicle starts;retrieving data indicative of previous start time periods;comparing said current start time period to at least one of said previous start time periods; andgenerating said notification signal when said current start time period differs from said at least one of said previous start time periods. 16. The method of claim 14, further comprising determining whether a predetermined post-operation time period has passed since said engine of said vehicle last operated. 17. The method of claim 16, further comprising: receiving temperature data indicative of a temperature of said battery; andcomparing said new voltage data to said stored voltage data based at least in part on said temperature data. 18. The method of claim 17, wherein said step of receiving temperature data indicative of said temperature of said battery includes: receiving said temperature data from a temperature sensor disposed away from said battery;determining whether said temperature data was acquired after said post operation time period had passed and before said engine was next started; andaccepting said temperature data as indicative of said temperature of said battery only if said temperature data was acquired after said post operation time period had passed and before said engine was next started. 19. The method of claim 16, further comprising: generating start time data indicative of the duration of said time period from when said starter of said vehicle is energized by said battery to when said engine of said vehicle starts, only if said post-operation time period has passed since said engine last operated; andstoring said start time data. 20. The method of claim 16, further comprising: acquiring said voltage data during said time period from when said starter of said vehicle is energized by said battery and said engine of said vehicle starts, only if said post-operation time period has passed since said engine last operated; andstoring said voltage data in said memory. 21. The method of claim 12, further comprising: receiving temperature data indicative of a temperature of said battery; andcomparing said new voltage data to said stored voltage data based on temperature data associated with said new voltage data and temperature data associated with said stored voltage data. 22. The method of claim 12, further comprising: receiving time data associated with said new voltage data and stored time data associated said stored voltage data;receiving temperature data associated with said new voltage data and stored temperature data associated with said stored voltage data, said temperature data indicative of a temperature of said battery; anddetermining the operational state of said battery based solely on said new voltage data, said time data associated with said new voltage data, said temperature data associated with said new voltage data, said stored voltage data, said stored time data, and said stored temperature data. 23. A non-transitory, electronically-readable storage medium having code embodied therein for causing an electronic device to: receive voltage data indicative of the output voltage of a battery in a vehicle;store said voltage data in memory to create stored voltage data;receive new voltage data indicative of the output voltage of said battery, said new voltage data including voltage data acquired during a time period from when a starter of said vehicle is energized by said battery and an engine of said vehicle starts and being indicative of an initial drop in said output voltage of said battery during a recent engine start;retrieve said stored voltage data, said stored voltage data being indicative of initial drops in said output voltage of said battery during previous engine starts;compare said new voltage data to said stored voltage data;determine whether said new voltage data differs from said stored voltage data by at least a predetermined amount; andgenerate a notification signal when said new voltage data differs from said stored voltage data by at least said predetermined amount; and whereinsaid code is further operative to cause said electronic device to compare said initial drop in said output voltage of said battery during said recent engine start with at least one of said initial drops in said output voltage of said battery during previous engine starts. 24. The non-transitory, electronically-readable storage medium of claim 23, wherein said code is further operative to cause said electronic device to identify said time period from when said starter of said vehicle is energized by said battery and said engine of said vehicle starts by monitoring said output voltage of said battery. 25. The non-transitory, electronically-readable storage medium of claim 23, wherein said code is further operative to cause said electronic device to: receive time data; andassociate said time data with said voltage data. 26. The non-transitory, electronically-readable storage medium of claim 25, wherein said code is further operative to cause said electronic device to: determine from said new voltage data and said associated time data the duration of a current start time period from when said starter of said vehicle is energized by said battery to when said engine of said vehicle starts;retrieve data indicative of previous start time periods;compare said current start time period to at least one of said previous start time periods; andgenerate said notification signal when said current start time period differs from said at least one of said previous start time periods. 27. The non-transitory, electronically-readable storage medium of claim 25, wherein said code is further operative to cause said electronic device to determine whether a predetermined post-operation time period has passed since said engine of said vehicle last operated. 28. The non-transitory, electronically-readable storage medium of claim 27, wherein said code is further operative to cause said electronic device to: receive temperature data indicative of a temperature of said battery; andcompare said new voltage data to said stored voltage data based at least in part on said temperature data. 29. The non-transitory, electronically-readable storage medium of claim 28, wherein said code is further operative to cause said electronic device to: receive said temperature data from a temperature sensor disposed away from said battery;determine whether said temperature data was acquired after said post operation time period had passed and before said engine was next started; andaccept said temperature data as indicative of said temperature of said battery only if said temperature data was acquired after said post operation time period had passed and before said engine was next started. 30. The non-transitory, electronically-readable storage medium of claim 27, wherein said code is further operative to cause said electronic device to: generate start time data indicative of the duration of said time period from when said starter of said vehicle is energized by said battery to when said engine of said vehicle starts, only if said post-operation time period has passed since said engine last operated; andstore said start time data. 31. The non-transitory, electronically-readable storage medium of claim 27, wherein said code is further operative to cause said electronic device to: acquire said voltage data during said time period from when said starter of said vehicle is energized by said battery and said engine of said vehicle starts, only if said post-operation time period has passed since said engine last operated; andstore said voltage data in said memory. 32. The non-transitory, electronically-readable storage medium of claim 23, wherein said code is further operative to cause said electronic device to: receive temperature data indicative of a temperature of said battery; andcompare said new voltage data to said stored voltage data based on temperature data associated with said new voltage data and temperature data associated with said stored voltage data. 33. The non-transitory, electronically-readable storage medium of claim 23, wherein said code is further operative to cause said electronic device to: receive time data associated with said new voltage data and stored time data associated said stored voltage data;receive temperature data associated with said new voltage data and stored temperature data associated with said stored voltage data, said temperature data indicative of a temperature of said battery; anddetermine the operational state of said battery based solely on said new voltage data, said time data associated with said new voltage data, said temperature data associated with said new voltage data, said stored voltage data, said stored time data, and said stored temperature data. 34. A battery monitoring system comprising: a ground line for coupling to a ground terminal of a battery installed in a vehicle;an input line for coupling to a positive terminal of said battery;a voltage sensor coupled to said input line and said ground line and operative to provide voltage data indicative of an output voltage of said battery;memory operative to store data and code;a processing unit coupled to said memory and said voltage sensor and responsive to said code being operative to receive said voltage data from said voltage sensor,retrieve voltage data previously provided by said voltage sensor from said memory;compare said voltage data from said voltage sensor to said voltage data previously provided by said voltage sensor,determine whether said voltage data differs from said previously provided voltage data by at least a predetermined amount, andgenerate a notification signal when said voltage data differs from said previously provided voltage data by at least said predetermined amount; anda timer coupled to said processing unit and operative to provide time data to said processing unit; and whereinresponsive to said voltage data and said time data said processing unit is operative to generate start time data indicative of a length of a time period from when a starter of said vehicle is energized by said battery to when an engine of said vehicle starts,retrieve start time data previously generated by said processing unit and stored in said memory,compare said start time data to said previous start time data, andgenerate said notification signal when said start time data differs from said previous start time data by at least a predetermined amount of time. 35. The battery monitoring system of claim 34, wherein: said voltage data includes voltage data acquired during said time period from when said starter of said vehicle is energized by said battery and said engine of said vehicle starts;said voltage data is indicative of an initial drop in said output voltage of said battery;said previously provided voltage data is indicative of initial drops in said output voltage of said battery during previous time periods when said starter of said vehicle is energized;said processing unit is operative to compare said initial drop in said output voltage of said battery with said initial drops in said output voltage of said battery during said previous time periods; andsaid processing unit determines when said starter is engaged by analyzing said voltage data. 36. The battery monitoring system of claim 34, wherein responsive to said voltage data and said time data said processing unit is operative to determine whether a predetermined post-operation time period has passed since said engine of said vehicle last operated. 37. The battery monitoring system of claim 36, further comprising: a temperature sensor operative to provide temperature data indicative of a temperature of said battery; and whereinsaid processing unit is operative to compare said voltage data from said voltage sensor to said voltage data previously provided by said voltage sensor based at least in part on said temperature data. 38. The battery monitoring system of claim 37, wherein: said temperature sensor is disposed remotely from said battery; andsaid processing unit is operative to use said temperature data as indicative of said temperature of said battery only after said post operation time period has passed and before said engine is next started. 39. The battery monitoring system of claim 36, wherein responsive to said voltage data and said time data said processing unit is operative to: generate start time data only if said post-operation time period has passed since said engine last operated; andstore said start time data generated by said processing unit in said memory. 40. The battery monitoring system of claim 36, wherein: said voltage data is acquired during said time period from when said starter of said vehicle is energized by said battery and said engine of said vehicle starts, only if said post-operation time period has passed since said engine last operated;said voltage data is indicative of an initial drop in said output voltage of said battery; andsaid processing unit is operative to store said voltage data in said memory. 41. The battery monitoring system of claim 34, further comprising: a temperature sensor operative to provide temperature data indicative of a temperature of said battery; and whereinsaid processing unit is operative to compare said voltage data from said voltage sensor to said voltage data previously provided by said voltage sensor based on said temperature data and temperature data associated with said voltage data previously provided by said voltage sensor. 42. The battery monitoring system of claim 34, further comprising: a temperature sensor operative to provide temperature data indicative of a temperature of said battery; and whereinsaid processing unit is operative to determine the operational state of said battery based solely on said voltage data, said time data, said temperature data, said voltage data previously provided by said voltage sensor and stored in said memory, time data previously provided by said timer and stored in said memory, and temperature data previously provided by said temperature sensor and stored in said memory. 43. A battery monitoring system comprising: a ground line for coupling to a ground terminal of a battery installed in a vehicle;an input line for coupling to a positive terminal of said battery;a voltage sensor coupled to said input line and said ground line and operative to provide voltage data indicative of an output voltage of said battery;memory operative to store data and code;a processing unit coupled to said memory and said voltage sensor and responsive to said code being operative to receive said voltage data from said voltage sensor,retrieve voltage data previously provided by said voltage sensor from said memory;compare said voltage data from said voltage sensor to said voltage data previously provided by said voltage sensor,determine whether said voltage data differs from said previously provided voltage data by at least a predetermined amount, andgenerate a notification signal when said voltage data differs from said previously provided voltage data by at least said predetermined amount; anda timer coupled to said processing unit and operative to provide time data to said processing unit; and whereinresponsive to said voltage data and said time data said processing unit is operative to determine whether a predetermined post-operation time period has passed since an engine of said vehicle last operated. 44. The battery monitoring system of claim 43, wherein: said voltage data includes voltage data acquired during a time period from when a starter of said vehicle is energized by said battery and an engine of said vehicle starts;said voltage data is indicative of an initial drop in said output voltage of said battery;said previously provided voltage data is indicative of initial drops in said output voltage of said battery during previous time periods when said starter of said vehicle is energized;said processing unit is operative to compare said initial drop in said output voltage of said battery with said initial drops in said output voltage of said battery during said previous time periods; andsaid processing unit determines when said starter is engaged by analyzing said voltage data. 45. The battery monitoring system of claim 43, further comprising: a temperature sensor operative to provide temperature data indicative of a temperature of said battery; and whereinsaid processing unit is operative to compare said voltage data from said voltage sensor to said voltage data previously provided by said voltage sensor based at least in part on said temperature data. 46. The battery monitoring system of claim 45, wherein: said temperature sensor is disposed remotely from said battery; andsaid processing unit is operative to use said temperature data as indicative of said temperature of said battery only after said post operation time period has passed and before said engine is next started. 47. The battery monitoring system of claim 43, wherein responsive to said voltage data and said time data said processing unit is operative to: generate start time data only if said post-operation time period has passed since said engine last operated, said start time data indicative of a length of a time period from when a starter of said vehicle is energized by said battery to when said engine of said vehicle starts; andstore said start time data generated by said processing unit in said memory. 48. The battery monitoring system of claim 43, wherein: said voltage data is acquired during a time period from when a starter of said vehicle is energized by said battery and said engine of said vehicle starts, only if said post-operation time period has passed since said engine last operated;said voltage data is indicative of an initial drop in said output voltage of said battery; andsaid processing unit is operative to store said voltage data in said memory. 49. The battery monitoring system of claim 43, further comprising: a temperature sensor operative to provide temperature data indicative of a temperature of said battery; and whereinsaid processing unit is operative to compare said voltage data from said voltage sensor to said voltage data previously provided by said voltage sensor based on said temperature data and temperature data associated with said voltage data previously provided by said voltage sensor. 50. The battery monitoring system of claim 43, further comprising: a temperature sensor operative to provide temperature data indicative of a temperature of said battery; and whereinsaid processing unit is operative to determine the operational state of said battery based solely on said voltage data, said time data, said temperature data, said voltage data previously provided by said voltage sensor and stored in said memory, time data previously provided by said timer and stored in said memory, and temperature data previously provided by said temperature sensor and stored in said memory. 51. A method for monitoring a battery, said method comprising: receiving voltage data indicative of the output voltage of a battery in a vehicle;receiving time data;associating said time data with said voltage data;storing said voltage data in memory to create stored voltage data;receiving new voltage data indicative of the output voltage of said battery;retrieving said stored voltage data;comparing said new voltage data to said stored voltage data using a processing unit;determining whether said new voltage data differs from said stored voltage data by at least a predetermined amount;determining from said new voltage data and said associated time data the duration of a current start time period from when a starter of said vehicle is energized by said battery to when an engine of said vehicle starts;retrieving data indicative of previous start time periods;comparing said current start time period to at least one of said previous start time periods;generating a notification signal when said new voltage data differs from said stored voltage data by at least said predetermined amount; andgenerating said notification signal when said current start time period differs from said at least one of said previous start time periods. 52. The method of claim 51, further comprising: identifying a time period from when a starter of said vehicle is energized by said battery and an engine of said vehicle starts by monitoring said output voltage of said battery; and whereinsaid new voltage data includes voltage data acquired during said time period from when said starter of said vehicle is energized by said battery and said engine of said vehicle starts;said new voltage data is indicative of an initial drop in said output voltage of said battery during a recent engine start;said stored voltage data is indicative of initial drops in said output voltage of said battery during previous engine starts; andsaid step of comparing said new voltage data to said stored voltage data includes comparing said initial drop in said output voltage of said battery during said recent engine start with at least one of said initial drops in said output voltage of said battery during previous engine starts. 53. The method of claim 51, further comprising determining whether a predetermined post-operation time period has passed since an engine of said vehicle last operated. 54. The method of claim 53, further comprising: receiving temperature data indicative of a temperature of said battery; andcomparing said new voltage data to said stored voltage data based at least in part on said temperature data. 55. The method of claim 54, wherein said step of receiving temperature data indicative of said temperature of said battery includes: receiving said temperature data from a temperature sensor disposed away from said battery;determining whether said temperature data was acquired after said post operation time period had passed and before said engine was next started; andaccepting said temperature data as indicative of said temperature of said battery only if said temperature data was acquired after said post operation time period had passed and before said engine was next started. 56. The method of claim 53, further comprising: generating start time data indicative of the duration of said time period from when said starter of said vehicle is energized by said battery to when said engine of said vehicle starts, only if said post-operation time period has passed since said engine last operated; andstoring said start time data. 57. The method of claim 53, further comprising: acquiring said voltage data during said time period from when said starter of said vehicle is energized by said battery and said engine of said vehicle starts, only if said post-operation time period has passed since said engine last operated; andstoring said voltage data in said memory. 58. The method of claim 51, further comprising: receiving temperature data indicative of a temperature of said battery; andcomparing said new voltage data to said stored voltage data based on temperature data associated with said new voltage data and temperature data associated with said stored voltage data. 59. The method of claim 51, further comprising: receiving time data associated with said new voltage data and stored time data associated said stored voltage data;receiving temperature data associated with said new voltage data and stored temperature data associated with said stored voltage data, said temperature data indicative of a temperature of said battery; anddetermining the operational state of said battery based solely on said new voltage data, said time data associated with said new voltage data, said temperature data associated with said new voltage data, said stored voltage data, said stored time data, and said stored temperature data. 60. A method for monitoring a battery, said method comprising: receiving voltage data indicative of the output voltage of a battery in a vehicle;receiving time data;associating said time data with said voltage data;storing said voltage data in memory to create stored voltage data;receiving new voltage data indicative of the output voltage of said battery;determining whether a predetermined post-operation time period has passed since an engine of said vehicle last operated;retrieving said stored voltage data;comparing said new voltage data to said stored voltage data using a processing unit;determining whether said new voltage data differs from said stored voltage data by at least a predetermined amount; andgenerating a notification signal when said new voltage data differs from said stored voltage data by at least said predetermined amount. 61. The method of claim 60, further comprising: identifying a time period from when a starter of said vehicle is energized by said battery and an engine of said vehicle starts by monitoring said output voltage of said battery; and whereinsaid new voltage data includes voltage data acquired during said time period from when said starter of said vehicle is energized by said battery and said engine of said vehicle starts;said new voltage data is indicative of an initial drop in said output voltage of said battery during a recent engine start;said stored voltage data is indicative of initial drops in said output voltage of said battery during previous engine starts; andsaid step of comparing said new voltage data to said stored voltage data includes comparing said initial drop in said output voltage of said battery during said recent engine start with at least one of said initial drops in said output voltage of said battery during previous engine starts. 62. The method of claim 60, further comprising: receiving temperature data indicative of a temperature of said battery; andcomparing said new voltage data to said stored voltage data based at least in part on said temperature data. 63. The method of claim 62, wherein said step of receiving temperature data indicative of said temperature of said battery includes: receiving said temperature data from a temperature sensor disposed away from said battery;determining whether said temperature data was acquired after said post operation time period had passed and before said engine was next started; andaccepting said temperature data as indicative of said temperature of said battery only if said temperature data was acquired after said post operation time period had passed and before said engine was next started. 64. The method of claim 60, further comprising: generating start time data indicative of the duration of a time period from when a starter of said vehicle is energized by said battery to when an engine of said vehicle starts, only if said post-operation time period has passed since said engine last operated; andstoring said start time data. 65. The method of claim 60, further comprising: acquiring said voltage data during a time period from when a starter of said vehicle is energized by said battery and an engine of said vehicle starts, only if said post-operation time period has passed since said engine last operated; andstoring said voltage data in said memory. 66. The method of claim 60, further comprising: receiving temperature data indicative of a temperature of said battery; andcomparing said new voltage data to said stored voltage data based on temperature data associated with said new voltage data and temperature data associated with said stored voltage data. 67. The method of claim 60, further comprising: receiving time data associated with said new voltage data and stored time data associated said stored voltage data;receiving temperature data associated with said new voltage data and stored temperature data associated with said stored voltage data, said temperature data indicative of a temperature of said battery; anddetermining the operational state of said battery based solely on said new voltage data, said time data associated with said new voltage data, said temperature data associated with said new voltage data, said stored voltage data, said stored time data, and said stored temperature data. 68. A method for monitoring a battery, said method comprising: receiving voltage data indicative of the output voltage of a battery in a vehicle;storing said voltage data in memory to create stored voltage data;receiving new voltage data indicative of the output voltage of said battery;retrieving said stored voltage data;receiving time data associated with said new voltage data and stored time data associated said stored voltage data;receiving temperature data associated with said new voltage data and stored temperature data associated with said stored voltage data, said temperature data indicative of a temperature of said battery;determining the operational state of said battery based solely on said new voltage data, said time data associated with said new voltage data, said temperature data associated with said new voltage data, said stored voltage data, said stored time data, and said stored temperature data;comparing said new voltage data to said stored voltage data using a processing unit;determining whether said new voltage data differs from said stored voltage data by at least a predetermined amount; andgenerating a notification signal when said new voltage data differs from said stored voltage data by at least said predetermined amount. 69. The method of claim 68, further comprising: identifying a time period from when a starter of said vehicle is energized by said battery and an engine of said vehicle starts by monitoring said output voltage of said battery; and whereinsaid new voltage data includes voltage data acquired during said time period from when said starter of said vehicle is energized by said battery and said engine of said vehicle starts;said new voltage data is indicative of an initial drop in said output voltage of said battery during a recent engine start;said stored voltage data is indicative of initial drops in said output voltage of said battery during previous engine starts; andsaid step of comparing said new voltage data to said stored voltage data includes comparing said initial drop in said output voltage of said battery during said recent start with at least one of said initial drops in said output voltage of said battery during previous engine starts. 70. The method of claim 68, further comprising: receiving time data; andassociating said time data with said voltage data. 71. The method of claim 70, further comprising: determining whether a predetermined post-operation time period has passed since an engine of said vehicle last operated;receiving temperature data indicative of said temperature of said battery; andcomparing said new voltage data to said stored voltage data based at least in part on said temperature data. 72. The method of claim 71, wherein said step of receiving temperature data indicative of said temperature of said battery includes: receiving said temperature data from a temperature sensor disposed away from said battery;determining whether said temperature data was acquired after said post operation time period had passed and before said engine was next started; andaccepting said temperature data as indicative of said temperature of said battery only if said temperature data was acquired after said post operation time period had passed and before said engine was next started. 73. The method of claim 70, further comprising: determining whether a predetermined post-operation time period has passed since said engine of said vehicle last operated;generating start time data indicative of the duration of a time period from when a starter of said vehicle is energized by said battery to when an engine of said vehicle starts, only if said post-operation time period has passed since said engine last operated; andstoring said start time data. 74. The method of claim 70, further comprising: determining whether a predetermined post-operation time period has passed since said engine of said vehicle last operated;acquiring said voltage data during a time period from when a starter of said vehicle is energized by said battery and an engine of said vehicle starts, only if said post-operation time period has passed since said engine last operated; andstoring said voltage data in said memory. 75. The method of claim 68, further comprising: receiving temperature data indicative of said temperature of said battery; andcomparing said new voltage data to said stored voltage data based on temperature data associated with said new voltage data and temperature data associated with said stored voltage data. 76. A non-transitory, electronically-readable storage medium having code embodied therein for causing an electronic device to: receive voltage data indicative of the output voltage of a battery in a vehicle;receive time data;associate said time data with said voltage data;store said voltage data in memory to create stored voltage data;receive new voltage data indicative of the output voltage of said battery;retrieve said stored voltage data;compare said new voltage data to said stored voltage data;determine whether said new voltage data differs from said stored voltage data by at least a predetermined amount;determine from said new voltage data and said associated time data the duration of a current start time period from when a starter of said vehicle is energized by said battery to when an engine of said vehicle starts;retrieve data indicative of previous start time periods;compare said current start time period to at least one of said previous start time periods;generate a notification signal when said new voltage data differs from said stored voltage data by at least said predetermined amount; andgenerate said notification signal when said current start time period differs from said at least one of said previous start time periods. 77. The non-transitory, electronically-readable storage medium of claim 76, wherein: said code is further operative to cause said electronic device to identify a time period from when a starter of said vehicle is energized by said battery and an engine of said vehicle starts by monitoring said output voltage of said battery;said new voltage data includes voltage data acquired during said time period from when said starter of said vehicle is energized by said battery and said engine of said vehicle starts;said new voltage data is indicative of an initial drop in said output voltage of said battery during a recent engine start;said stored voltage data is indicative of initial drops in said output voltage of said battery during previous engine starts; andsaid code is further operative to cause said electronic device to compare said initial drop in said output voltage of said battery during said recent engine start with at least one of said initial drops in said output voltage of said battery during previous engine starts. 78. The non-transitory, electronically-readable storage medium of claim 76, wherein said code is further operative to cause said electronic device to determine whether a predetermined post-operation time period has passed since said engine of said vehicle last operated. 79. The non-transitory, electronically-readable storage medium of claim 78, wherein said code is further operative to cause said electronic device to: receive temperature data indicative of a temperature of said battery; andcompare said new voltage data to said stored voltage data based at least in part on said temperature data. 80. The non-transitory, electronically-readable storage medium of claim 79, wherein said code is further operative to cause said electronic device to: receive said temperature data from a temperature sensor disposed away from said battery;determine whether said temperature data was acquired after said post operation time period had passed and before said engine was next started; andaccept said temperature data as indicative of said temperature of said battery only if said temperature data was acquired after said post operation time period had passed and before said engine was next started. 81. The non-transitory, electronically-readable storage medium of claim 78, wherein said code is further operative to cause said electronic device to: generate start time data indicative of the duration of a time period from when said starter of said vehicle is energized by said battery to when said engine of said vehicle starts, only if said post-operation time period has passed since said engine last operated; andstore said start time data. 82. The non-transitory, electronically-readable storage medium of claim 78, wherein said code is further operative to cause said electronic device to: acquire said voltage data during a time period from when said starter of said vehicle is energized by said battery and said engine of said vehicle starts, only if said post-operation time period has passed since said engine last operated; andstore said voltage data in said memory. 83. The non-transitory, electronically-readable storage medium of claim 76, wherein said code is further operative to cause said electronic device to: receive temperature data indicative of a temperature of said battery; andcompare said new voltage data to said stored voltage data based on temperature data associated with said new voltage data and temperature data associated with said stored voltage data. 84. The non-transitory, electronically-readable storage medium of claim 76, wherein said code is further operative to cause said electronic device to: receive time data associated with said new voltage data and stored time data associated said stored voltage data;receive temperature data associated with said new voltage data and stored temperature data associated with said stored voltage data, said temperature data indicative of a temperature of said battery; anddetermine the operational state of said battery based solely on said new voltage data, said time data associated with said new voltage data, said temperature data associated with said new voltage data, said stored voltage data, said stored time data, and said stored temperature data. 85. A non-transitory, electronically-readable storage medium having code embodied therein for causing an electronic device to: receive voltage data indicative of the output voltage of a battery in a vehicle;receive time data;associate said time data with said voltage data;store said voltage data in memory to create stored voltage data;receive new voltage data indicative of the output voltage of said battery;determine whether a predetermined post-operation time period has passed since an engine of said vehicle last operated;retrieve said stored voltage data;compare said new voltage data to said stored voltage data;determine whether said new voltage data differs from said stored voltage data by at least a predetermined amount; andgenerate a notification signal when said new voltage data differs from said stored voltage data by at least said predetermined amount. 86. The non-transitory, electronically-readable storage medium of claim 85, wherein: said code is further operative to cause said electronic device to identify a time period from when a starter of said vehicle is energized by said battery and said engine of said vehicle starts by monitoring said output voltage of said battery;said new voltage data includes voltage data acquired during said time period from when said starter of said vehicle is energized by said battery and said engine of said vehicle starts;said new voltage data is indicative of an initial drop in said output voltage of said battery during a recent engine start;said stored voltage data is indicative of initial drops in said output voltage of said battery during previous engine starts; andsaid code is further operative to cause said electronic device to compare said initial drop in said output voltage of said battery during said recent engine start with at least one of said initial drops in said output voltage of said battery during previous engine starts. 87. The non-transitory, electronically-readable storage medium of claim 85, wherein said code is further operative to cause said electronic device to: receive temperature data indicative of a temperature of said battery; andcompare said new voltage data to said stored voltage data based at least in part on said temperature data. 88. The non-transitory, electronically-readable storage medium of claim 87, wherein said code is further operative to cause said electronic device to: receive said temperature data from a temperature sensor disposed away from said battery;determine whether said temperature data was acquired after said post operation time period had passed and before said engine was next started; andaccept said temperature data as indicative of said temperature of said battery only if said temperature data was acquired after said post operation time period had passed and before said engine was next started. 89. The non-transitory, electronically-readable storage medium of claim 85, wherein said code is further operative to cause said electronic device to: generate start time data indicative of the duration of a time period from when a starter of said vehicle is energized by said battery to when said engine of said vehicle starts, only if said post-operation time period has passed since said engine last operated; andstore said start time data. 90. The non-transitory, electronically-readable storage medium of claim 85, wherein said code is further operative to cause said electronic device to: acquire said voltage data during a time period from when a starter of said vehicle is energized by said battery and said engine of said vehicle starts, only if said post-operation time period has passed since said engine last operated; andstore said voltage data in said memory. 91. The non-transitory, electronically-readable storage medium of claim 85, wherein said code is further operative to cause said electronic device to: receive temperature data indicative of a temperature of said battery; andcompare said new voltage data to said stored voltage data based on temperature data associated with said new voltage data and temperature data associated with said stored voltage data. 92. The non-transitory, electronically-readable storage medium of claim 85, wherein said code is further operative to cause said electronic device to: receive time data associated with said new voltage data and stored time data associated said stored voltage data;receive temperature data associated with said new voltage data and stored temperature data associated with said stored voltage data, said temperature data indicative of a temperature of said battery; anddetermine the operational state of said battery based solely on said new voltage data, said time data associated with said new voltage data, said temperature data associated with said new voltage data, said stored voltage data, said stored time data, and said stored temperature data.
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