1.polymer battery 3.7V 1900mAh lithium 2.Lipo battery 3.Low self-discharging 4.high density ... enterprise, specializing in the lithium ion battery,we focus on the prismatic lithium ion battery,lithium battery,li-polymer battery,lithium battery pack,ultra-thin ... be offered, welcome for long-term cooperation! 3.7V 1900mAh lithium polymer rechargeable battery pack