48v 12ah For Bionx 4000-a12081020/ Sl 250 Ht Xl Battery Pack Li-ion Electric Bicycle E-bike For Self-installation - Rechargeable Batteries - AliExpress
48V 9Ah for BionX 3582 C11297435 3582 M11300027 Wisper Battery pack Li Ion E Bike electric bicycle for self installation|Replacement Batteries| - AliExpress
BionX 48V – the Battery Doctor
DV Battery, DownTube, 48V, 11.6Ah, 557Wh ,Black — BX Legacy