high powar 3.7V 2000 mAh Li-ion GPS Battery Flat top Pack of 5 Camera Battery Charger  (Multicolor)

Polymer lithium ion battery is a very slim, extremely light weight batteries based on the new polymer lithium ion chemistry. This is the highest energy density currently in production. Each cell outputs a nominal 3.7v at 2000mAh. These batteries require special charging. Do not attempt to charge these with anything but a specialized lithium polymer charger.