36v 20ah electric bike bicycle battery pack 10s 36 volt 500w 1000w lithium ion ebike scooter 18650 batteries with pvc case 30a bms 42v 2a ch

36v 20ah lithium ebike battery life expectancy is two times that of lead-acid batteries.the weight is more lighter. built-in bms system will prevent battery pack over-charge, over-discharge, over-current, over-heat, short circuit. before send out,over-discharging test/ over-charging test/short circuit safety test/extrusion safety test. use 3c-5c discharge rate 18650 power battery cell.the customer also can customized imported battery cell..syi