... .7v 500mAh 2.flexible size 3.customer design 4.battery factory 5.pass Rohs,CE,UN38.3,MSDS 1.ApplianceThis ... , back-up power, emergency power portable mobile power, medical equipment, heating equipment, health care equipment, defend electronic devices.2.Delivery timeNew ... .258±0.5150.5±0.5133. 3.7v 5000mah LiMnO2 rechargeable battery( customer design)