... .2 years warratny 4.500 time cycle life 5.with Al case, charger and BMS 1. Model: KY-3610-A with 36V ... sure batteries in high and full capacity2.Protection: Dual IC chips,that can anti-shortcircuit, anti-overcharger, anti-overcurrent, anti-overload3 ... , Bulk pack is available 36V 10Ah E-bike battery with Al case, Charger, BMS; 20A discharge current