Note:

The maximum operating current of this battery is only about 1.5A, can not be used for unmanned aerial vehicles, model aircraft or power tools and other products that require high current.

2. Connector is Micro JST 1.25 plug, it can be used for esp32 ar duino development board whose plug is 1.25mm

Specification:

Standard Voltage: 3.7V

Capacity: 1100mAh

Approx Weight : 18g 

Dimensions(±2mm): 47 * 28 * 7.8 mm 

Discharge Rate: 1C

Working Current: 1.5A

The maximum discharging current: 3C

Overcurrent Protection: 1.8-2.1A

Type of Connector: Micro JST 1.25

Standard Charging Method: Charging this battery to 4.25V at 0.2C constant current, then charge the battery at a constant voltage of 4.2V till it's charging current ≦ 0.05C.