The Milwaukee M12? TOP-OFF? Power Supply and Charger provides M12? battery users a 2-in-1 battery and personal device charging experience whether on or off the jobsite. The power source pairs with any M12? battery providing 15W of power to charge personal devices, including phones, tablets, headphones, or other small electronics. This next generation M12? Power Supply provides up to 50% faster personal device and M12? battery charging with it?s bi-directional USB-C port to increase productivity throughout the day. It can also be used to power all M12? Heated Gear for increased functionality. Included with the power supply is a 2ft USB-C braided cable and USB-C wall adapter.