... battery for EV 1.Appearance: pouched,plastic-aluminum-packaged 2.Applications: pure e-car, ebus, ev 3.8V 30Ah Pure Electric Bus Li Polymer Battery ... fields, etc.Certificates we have acquired: ISO,CE, UN38.3, MSDS, ROSH, DGM. 3.8V30Ah lithium ion battery for pure electric bus, e-car, EV