... stability&intrinsic safety 3.Long cycle life 24V 20Ah lithium iron phosphate battery for UPS power supply1.CE,UL,ROHS approved;2 ... which guarantees the safety of the Li-lon battery .Environment-friendly: our battery without any hazardous and noxious substances , ... mainly used for large EV,light EV,boatsd,planes,small medical instruments and etc . 24V 20Ah lithium iron phosphate battery for UPS power ...