... .500 cycle life 3.Flexible size 4.China battery factory 5.Rohs,CE,UN38.3,MSDS 1.Appliance:This ... bike, Electronic motor, EVs, Electronic tools, Toys, back-up power, emergency power, portable mobile power, medical equipment, heating equipment, health care ... .5±0.5133 rechargeable 063450 3.7v 1100mah li-polymer battery