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A battery backup unit (BBU) system and apparatus is provided for securing and communicating with a BBU for use with optical network terminals (ONTs) and/or residential gateways. In various aspects, the BBU system is configured to eliminate the possibility for reversing the polarity of the backup bat

A battery backup unit (BBU) system and apparatus is provided for securing and communicating with a BBU for use with optical network terminals (ONTs) and/or residential gateways. In various aspects, the BBU system is configured to eliminate the possibility for reversing the polarity of the backup battery. The BBU system also provides an integrated communication circuit for receiving a variety of connectors.

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1. A battery backup system comprising: a battery; anda battery holder comprising: a battery holding arm;a circuit housing holding a circuit board having a plurality of connectors; wherein the plurality of connectors comprises:at least one Ethernet cable connector;at least one two-pin receptacle;at l

1. A battery backup system comprising: a battery; anda battery holder comprising: a battery holding arm;a circuit housing holding a circuit board having a plurality of connectors; wherein the plurality of connectors comprises:at least one Ethernet cable connector;at least one two-pin receptacle;at least one wire wrap post to receive a wire; anda cable management system to secure at least one of the Ethernet cable, the two-pin plug or the wire;at least one battery engagement tab; anda battery connection lead, wherein the at least one of the battery engagement tab and the battery connection lead engage the battery in a particular orientation to prevent a polarity reversal of the battery. 2. The battery backup system of claim of claim 1, wherein the Ethernet cable connector receives a category 5 cable. 3. The battery backup system of claim 1, wherein the circuit board further comprises at least one of an alarm indicator and a reset switch. 4. The battery backup system of claim 1, wherein the battery is a lithium-ion battery, a LiFePO4 battery or a rechargeable lead acid battery. 5. The battery backup system of claim 1, wherein the battery connection lead is a leaf-type contact prong or a spring-type contact prong. 6. The battery backup system of claim 1, wherein the circuit housing further comprises a housing base mechanically engaged with the circuit board and a removable access cover to provide access to the circuit board. 7. The battery backup system of claim 1, wherein the particular orientation prevents a connection between the battery and the holder wherein the polarity of the connection is reversed. 8. A battery cover to prevent a polarity reversal of a connected battery, the battery cover comprising: a battery engagement tab to engage the battery; andat least two battery connection leads to permit electrical communication with the battery, wherein the at least two battery connection leads are oriented within the battery cover such that battery can only be engaged in a particular orientation to prevent the polarity reversal; anda circuit housing containing a circuit board having a plurality of connectors, wherein the plurality of connectors comprises at least two connectors selected from a group consisting of a Ethernet cable connector, a two-pin input power receptacle, and a wire wrap post to receive a wire. 9. The battery cover of claim 8 where the plurality of connectors comprise an Ethernet connector or a two-pin receptacle. 10. The battery cover of claim 8 wherein the at least two connectors are a same type of connector. 11. The battery cover of claim 9, wherein the Ethernet connector receives a Category 5 cable. 12. The battery backup system of claim 8, wherein at least one of the battery connection leads is a leaf-type contact prong or a spring-type contact prong. 13. The battery backup system of claim 8, further comprising a thermistor to detect a battery temperature. 14. The battery backup system of claim 13, wherein the thermistor is mounted on an exterior of the battery backup system. 15. The battery backup system of claim 13, wherein the thermistor regulates a voltage to charge the battery. 16. A battery backup system for use with an optical network terminal, the battery backup system comprising: a battery for providing power to the optical network terminal when a utility power supply is interrupted; anda battery holder engaged to the battery and in electrical communication with the battery to monitor and regulate a battery output power level, the battery holder comprising: a battery holding arm to slidably engage the battery;a battery engagement tab to secure the battery holder to the battery;at least one battery connection lead to permit the electrical communication with the battery;a thermistor to detect a battery temperature; anda circuit housing containing at least one electrical circuit in electrical communication with the battery, the at least one electrical circuit comprising: an Ethernet cable connector to receive an Ethernet cable; anda seven-position receptacle to receive a cable. 17. The battery backup system of claim 16, wherein at least one of the battery connection leads is a spring-type contact prong. 18. A battery backup system comprising: a battery; and a battery holder comprising: a battery holding arm; a thermistor to detect a battery temperature;a circuit housing holding a circuit board having a plurality of connectors; where the plurality of connectors includes at least two connectors selected from a group consisting of at least one Ethernet cable connector, at least one two-pin receptacle, and at least one wire wrap post to receive a wire; at least one battery engagement tab; and a battery connection lead, where at least one of the battery engagement tab andthe battery connection lead engages the battery in a particular orientation to prevent a polarity reversal of the battery. 19. The battery backup system of claim 18, wherein the group further consists of a seven-position receptacle. 20. The battery backup system of claim 19, wherein the group further consists of a first receptacle for receiving three, four, five, or six wires. 21. The battery backup system of claim 19, further comprising a cable management system to secure at least one the plurality of connectors. 22. The battery backup system of claim 20, wherein the group further consists of a second receptacle for receiving eight or more wires. 23. The battery backup system of claim 18, wherein the circuit board includes a two-position screw terminal. 24. The battery backup system of claim 23, wherein the two-position screw terminal retains wires with a positive and negative contact. 25. The battery backup system of claim 18, wherein at least one of the battery connection leads is a spring-type contact prong.