JupiterBike Defiant Spare Battery

Double your distance by picking up a spare battery! Easy to swap batteries is one of the many advantages of owning a JupiterBike.

Spare Battery for the Defiant Fat Tire Folding Electric Bike ONLY (does not fit Defiant ST and PRO models). Charges inside or outside frame. Charger not included. 48v Lithium Ion 10.4Ah