... .7v 500mAh 2.flexible size 3.customer design 4.battery factory 5.pass Rohs,CE,UN38.3,MSDS 1.ApplianceThis ... is flexible in size and used in Electronic bike, Electronic motor, EVs, Electronic tools, Toys, back-up power, emergency power portable ... ±0.5150.5±0.5133. 3.7v 5000mah LiMnO2 rechargeable battery( customer design)