... 3.Long cycle life 24V 20Ah lithium iron phosphate battery for UPS power supply1.CE,UL,ROHS approved;2.High thermal stability ... lithium batteries . High rate capability:for all high power output application .No memory effect:Always ready for charge and use ,with no need ... used for large EV,light EV,boatsd,planes,small medical instruments and etc . 24V 20Ah lithium iron phosphate battery for UPS power ...