original ebike battery hailong 48v 17.5ah polly 52v 17.5ah electric bicycle battery pack for 250w-1000w

fit motor power:48v 250w-1000wmotor ce/rosh/msds/un38.3 electric bike/foldable electric bike the appearance is made of pc+abs material and has a lock function to prevent the battery from being stolen larger capacity and lighter weight.syi