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48V 9Ah for BionX 3582 C11297435 3582 M11300027 Wisper Battery pack Li Ion E Bike electric bicycle for self installation|Replacement Batteries| - AliExpress
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BionX battery repair or refurbish
BionX 36v or 37v Downtube Battery i2C System (01-1837) Case & BMS 5.1 | eBay