12V 24V 36V lithium battery packs for E-bike 1.factory price, free assemble 2.CE,RoHS 3.for EV,e-bike,e-scooter,e-wheelchair 12V 24V 36V lithium battery packs for E-bike Rechargeable battery packexcellent qualityresonable priceprofession lithium battery solution according to your requirementslithium-ion 3.7V 18650main features:1. high energy density2. long shelf-life and low self-discharge rate3. ...