We are a High-Reliability LiPoly Batteries Manufacturer. We Provide Rechargeable 3.7V LiPoly Battery. Order Stock Batteries or Customize a New LiPo Battery; contact us to Get Information. This LiPoly Battery LP436780 2S 7.4V 4000mAh 29.6Wh size is 8.6mm x 67mm x 85mm;...