# Controller RadioMaster Zorro battery

The controller uses 2x 900mah 3.7v Li-ion 18350 Battery for Zorro Radio Controller batteries.

Use the external USB-C adapter and USB-C cable to charge the controller. Use the highlighted USB-C port on the controller.

<figure><img src="/files/MzQsN5Lmnrm6P8Mc0tWI" alt=""><figcaption></figcaption></figure>

Check the controller's charge by launching it and viewing the voltage level and battery icon located on the left side of the screen.

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