If you figure the average AA battery is 1.2 volts, then it's okay to assume the Xbox Core controller requires a minimum of 2.4 volts, giving an average of 2,100mAh per battery pack in this kit.

If you buy something from a Verge link, Vox Media may earn a commission. 8BitDo’s new charging dock is compatible with Microsoft’s Xbox Series X|S and One wireless controllers. Image: 8BitDo ...

Microsoft’s refreshed Xbox Wireless Headset has a better mic and more battery life Dolby Atmos and Bluetooth 5.3 support are also available on this new model.