These batteries are very thin and extremely light in weight.
This technology is the highest energy density Currently in production.
Each cell has a nominal voltage of 3.7 V to 1050 mAh
These batteries need a special charger.
Do not attempt to charge these with anything other than a specialized lithium polymer battery charger. Batteries can explode.
So, you can use our charger BA2A950 (See below for other products)
Terminal conector JST PHR
The battery includes over-voltage, over-current and minimum voltage protection.