This is a tiny rechargeable Lithium-ion polymer battery to power your projects. The battery has a capacity of 1000mAh at 3.7V, the voltage can range from 4.2V when fully charged to 3.0V when completely discharged. The battery includes protection circuitry to protect the battery from overcharging or completely discharging.
This lipo battery includes a micro JST SH connector, which is used on TinyCircuits products that support Lithium-ion batteries.