... lifetime and light weight 2.green environmental protection 3.OEM services 4.CE,UL certificat Company ProfileJiangsu E Motors Group is ... battery consistency, stability, safety.3 Customers can provide OEM/ODM services:We supply 7V, 8V, 10V, 12V, 25V, 100V of lithium ... ion battery pack, 48v battery, lithium battery pack, li-ion marine battery,lifepo4 battery pack