This is a light weight, high energy density Lithium Ion polymer battery. It outputs a nominal 3.7v at 1000mAh, comes terminated with a standard 2-pin JST connector- 2.0 mm spacing between pins.
Excellent long-term self-discharge rates
Please do not attempt to charge these with anything but a specialized Lithium Polymer charger.
Battery includes built-in protection against over voltage, over current, and minimum voltage.