Makerfocus 3.7V 1100mAh Lithium Rechargeable Battery 1S 3C Lipo Battery with Protection Board (Pack of 4)

Makerfocus 3.7V 1100mAh Lithium Rechargeable Battery 1S 3C Lipo Battery with Protection Board Insulated Rubber Tape and Micro JST 1.25 Plug for Arduino Nodemcu ESP32 Development Board

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): 50 * 30 * 7 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.

Package included:
4x Makerfocus 3.7V 1100mAh Lithium Rechargeable Battery 1S 3C Lipo Battery with Protection Board