72v ebike battery lithium ion electric bike fuel tank 72v 20ah li-ion batteries pack for 250w-3000w motorcycles with samsung cells

the battery has built-in 30a bms which has better shockproof effect. preventing over charge, over discharge, over current and short circuit, ensuring the long life expectancy. automtive grade cells,pur nickel sheet.charger:84v 3a. every lithium battery have pass the qc appearance and function test before shipment. the ebike battery charge cycle exceeds 1000 times, mothen 80% capacity after 800 cycles.
warranty:
1 year
certificate:
iso9001-2022, ce, un38.3,msda
charge temperature:
-0-45
discharge temperature:
-20-60.syi