... safety 3.Long cycle life 24V 20Ah lithium iron phosphate battery for UPS power supply1.CE,UL,ROHS approved;2.High thermal ... certificate which guarantees the safety of the Li-lon battery .Environment-friendly: our battery without any hazardous and noxious substances , do no ... will not effect its performance .Application area: mainly used for large EV,light EV,boatsd,planes,small medical instruments and ...