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 LP402027 3.7V 200mAh 0.74Wh size is 4.0mm x 20mm x 28mm; it...