A portable power source includes a housing and a battery receptacle supported by the housing. The battery receptacle is configured to receive a battery. The portable power source also includes a first power tool battery pack port that is configured to receive a first power tool battery pack. The por
A portable power source includes a housing and a battery receptacle supported by the housing. The battery receptacle is configured to receive a battery. The portable power source also includes a first power tool battery pack port that is configured to receive a first power tool battery pack. The portable power source further includes a charging circuit coupled to the battery receptacle and the power tool battery pack, and an inverter. The charging circuit is configured to receive power from the battery receptacle and to provide power to the power tool battery pack port. The inverter includes a DC input coupled to the battery receptacle, inverter circuitry, and an AC output. The inverter circuitry is configured to receive power from the battery receptacle via the DC input, invert DC power received from the battery receptacle to AC power, and provide the AC power to the AC output.
대표청구항▼
1. A portable power source comprising: a housing including a base portion and a top portion, the top portion being separable from the base portion, the top portion including a lid pivotally movable between an open position and a closed position;a battery receptacle supported by the base portion of t
1. A portable power source comprising: a housing including a base portion and a top portion, the top portion being separable from the base portion, the top portion including a lid pivotally movable between an open position and a closed position;a battery receptacle supported by the base portion of the housing, the battery receptacle configured to receive a battery;a first power tool battery pack port supported by the top portion of the housing, the first power tool battery pack port configured to receive a first power tool battery pack;a charging circuit coupled to the battery receptacle and the power tool battery pack and configured to receive power from the battery receptacle and to provide power to the power tool battery pack port;an inverter including a DC input coupled to the battery receptacle, inverter circuitry, and an AC output, the inverter circuitry configured to receive power from the battery receptacle via the DC input, invert DC power received from the battery receptacle to AC power, and provide the AC power to the AC output;wherein the battery is exposed when the top portion is separate from the base portion, and wherein the lid provides access to the power tool battery pack port and the battery when the lid is in the open position. 2. The portable power source of claim 1, further comprising a power supply unit supported by the housing, the power supply unit configured to receive power from an external power source selected from a group consisting of an AC power input, a vehicle DC socket, a vehicle battery, and a photovoltaic cell. 3. The portable power source of claim 2, further comprising a power output panel including: an AC output connector coupled to the AC output of the inverter and the power supply unit, the AC output connector configured to receive power from the inverter and the power supply unit, and to output AC power, anda DC output connector coupled to the battery receptacle and the first power tool battery pack port, the DC output connector configured to receive power from the battery receptacle and the first power tool battery pack port, and to output DC power. 4. The portable power source of claim 1, further comprising a second power tool battery pack port supported by the housing, the second power tool battery pack port configured to receive a second power tool battery pack. 5. The portable power source of claim 4, wherein the first power tool battery pack port includes guide rails to receive a slide-on style power tool battery pack and the second power tool battery pack port includes an insertion hole to receive a tower style power tool battery pack. 6. The portable power source of claim 4, wherein the charging circuit is also coupled to the second power tool battery pack port and is further configured to receive power from the first power tool battery pack port when a state of charge of the battery is below a voltage threshold or the battery receptacle is disconnected from the battery, and to provide power to the second power tool battery pack port from the first power tool battery pack port. 7. The portable power source of claim 1, wherein the battery receptacle includes connecting terminals configured to connect to terminals of the battery, and wherein the charging circuit is further configured to provide power to the connecting terminals of the battery receptacle to charge the battery. 8. The portable power source of claim 1, wherein DC input of the inverter is also coupled to the power tool battery pack port and the inverter is further configured to receive power from the power tool battery pack port, invert the power received from the power tool battery pack port to AC power, and provide the AC power to the AC output. 9. The portable power source of claim 1, wherein the power tool battery pack port is configured to receive the first power tool battery pack having a capacity that is lower than a capacity of the battery. 10. The portable power source of claim 1, wherein the base portion and the top portion are coupled together with a locking mechanism, the top portion being removable from the base portion to expose the battery when the locking mechanism is released. 11. The portable power source of claim 10, wherein the top portion includes a power output panel, and wherein the bottom portion includes a wheel. 12. The portable power source of claim 11, wherein the top portion includes battery cables, the battery cables including connecting terminals to selectively connect to terminals of the battery. 13. A portable power source comprising: a housing;a battery supported by the housing;a first power tool battery pack port supported by the housing, the first power tool battery pack port configured to receive a first power tool battery pack;a second power tool battery pack port supported by the housing, the second power tool battery pack port configured to receive a second power tool battery pack; anda charging circuit coupled to the battery, the first power tool battery pack port, and the second power tool battery pack port, the charging circuit configured to selectively receive power from the battery and the first power tool battery pack port such that, during a first period of time, the charging circuit receives power from the battery and, during a second period of time, the charging circuit receives power from the first power tool battery pack port, andprovide power to the second power tool battery pack port to charge the second power tool battery pack using power from the battery during the first period of time and from the first power tool battery pack port during the second period of time. 14. The portable power source of claim 13, wherein the first power tool battery pack port includes guide rails configured to receive a slide-on style power tool battery pack, and the second power tool battery pack port includes an insertion hole configured to receive a tower style battery pack. 15. The portable power source of claim 13, wherein the battery includes a vehicle battery, and wherein the battery is removable from the housing. 16. The portable power source of claim 13, further comprising an inverter including a DC input coupled to the battery, the first power tool battery pack port and the second power tool battery pack port, inverter circuitry, and an AC output, the inverter circuitry configured to receive power from the battery, the first power tool battery pack port, and the second power tool battery pack port via the DC input, invert the DC power received from the DC input to AC power, and provide the AC power to the AC power output. 17. The portable power source of claim 13, further comprising a power supply unit supported by the housing, the power supply unit including an AC power input and a DC power input. 18. The portable power source of claim 17, further comprising a power output panel including an AC output connector coupled to the AC output of the inverter and the power supply unit, the AC output connector configured to receive power from the inverter and the power supply unit, and to output AC power, anda DC output connector coupled to the battery receptacle and the first power tool battery pack port, the DC output connector configured to receive power from the battery receptacle and the first power tool battery pack port, and to output DC power. 19. The portable power source of claim 18, further comprising an AC output switch movable between a first position in which the inverter is enabled to invert DC power to AC power to provide AC power to the AC output connector and a second position in which the inverter is disabled. 20. The portable power source of claim 13, wherein the housing includes a base portion and a top portion, the base portion and the top portion are coupled together with a locking mechanism, the top portion being removable from the base portion to expose the battery when the locking mechanism is released. 21. The portable power source of claim 20, wherein the top portion includes a lid to access the first power tool battery pack port and the second power tool battery pack port when the top portion is coupled to the base portion with the locking mechanism.
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이 특허에 인용된 특허 (15)
Reade, Andrew; Arakelian, Richard, Charging apparatus and portable power supply.
Grant,Jeffrey P.; Forster,Michael K., Starter system for portable internal combustion engine electric generators using a portable universal battery pack.
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