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Yamaha Haibike SDURO Battery Replacement BMS with balancing cells I'm still working on charging the battery, but the BMS will be available soon. Cell protection is handled by the BQ77216 chip from Texas Instruments, and communication with the bike's electronics is handled by the ATMEL chip from Microchip Technology. An ISP interface is available directly on top of the PCB for uploading firmware. The maximum current of the battery is 20 or 25A depending on the configuration.
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