... 4.2 year warranty 5.with Al alloy case, Charger&BMS 36V Li-ion battery pack used for ebike with 36V 10Ah, 20A ... , Light weight, small size11, Large overcharge tolerance and safe performance 12, Self balance Applications:1 .Large-scale electric vehicles: such as ... lamp8. Small medical equipment and portable equipment 36V Li-ion battery pack used for electric bicycle with Al alloy case, Charger and BMS