About the BatteryΒΆ


  • VCC: Battery positive terminal, here there are two sets of VCC and GND is to increase the current and reduce the resistance.

  • Middle: To balance the voltage between the two cells and thus protect the battery.

  • GND: Negative battery terminal.

This is a custom battery pack made by SunFounder consisting of two 18650 batteries with a capacity of 2000mAh. The connector is PH2.0-3P, which can be charged directly after being inserted into the shield.


  • Battery charge: 5V/2A

  • Battery output: 5V/5A

  • Battery capacity: 3.7V 2000mAh x 2

  • Battery life: 90min

  • Battery charge time: 130min

  • Connector: PH2.0, 3P