18650 Battery ================= .. image:: img/2battery.jpg :width: 300 :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 2200mAh. The connector is PH2.0-5P, which can be charged directly after being inserted into the Zeus Car shield. **Pins Out** **Features** * 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, 5P