... battery 3.7V 20mAh with 4*22*55mm Company Information: Apollo Energy Co.,Ltd Address : Blog 2, Yuetongshitouling Industrial Zone,Longhua ... .Thin format, light weight , large area, and flexibility in design.2.Easy customized,Energy density,High capacity.3.super slim ... , Application: digital photo frame,credit cards,Medical and health devices,Military, CIA and FBI special uses Approval: CE, UL, REACH ...