... life 1000 times CE,RoHS,SGS certificate OEM/ODM Rechargeable Electric Bicycle Battery 36V 10Ah LiFePO4 E-bike Battery and Battery ... : CE,UL,FCC, RoHS,ISO9001 Features1.Lightest weight, the batteries are approximately 1.3kgs (24V) and 2.0kgs (36V) ... polymer battery, smaller , lighter,,higher specific energy than other batteries with same specifications.3.The specifically raw material and technics ...