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    Hacking "JBLTools" Chinese Bluetooth BMS boards

    There are a number Chinese Bluetooth PCBs that use the TI BQ76940 BMS controller/controllers connected to an Atmel 8 bit microcontroller looking like this. One of the main issues with these boards is the layout of the FETs that disconnect the battery from the rest of the world in the case of a...
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    Generic-Chinese-Bluetooth-BMS-communication-protocol

    There are a number of generic Bluetooth BMS units based around the TI BQ76940 BMS controller with a number of different configurations. I am not sure if they are manufactured by one or a number of different manufacturers. The thing they have in common is that they can be used with an Android app...
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    Is floating LFP batteries bad for them?

    If you charge an LFP battery to nearly 100% full using solar power with a charge voltage of 3.45 V/cell at an end current of less than C/50 and then float the battery at 3.34 V/cell are you substantially decreasing the lifespan of the battery rather than just terminating the charge? I have seen...
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