Now available are spare or replacement batteries for the E-JOE Epik SE Electric Folding Bike 2017 Model. The battery has an on/off button and USB port and can be charged either inside or outside the bike. The USB port allows you to charge your cell phone or other small devices.
36V 13Ah LG 18650 cells Lithium Ion Battery with USB port to charge your cell phone and other small devices.
Charge time: about 4 hours at low battery
Comes with 2 keys
Warranty: one year