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 Battery Charger (Power Supply) 90W-26V-3.45A for all 48V batteries. | eBay
Trek/Bionx e bike accu 48V | KWS Seuren | Fietsaccu Revisie