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About the Battery
========================

**Battery**

.. image:: img/3pin_battery.jpg
    :width: 500
    :align: center

* **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 XH2.54 3 pin, which can be charged directly after being inserted into the shield.


**Features**

* Composition: Li-ion
* Battery Capacity: 2000mAh, 14.8Wh
* Battery Weight: 90.8g
* Number of Cells: 2
* Connector: XH2.54 3pin
* Over-discharge protection: 6.0V