The M12 Compact Charger and Power Source provides convenient, on-the-go charging for all M12 Batteries both on and off the jobsite. Using the included Jobsite Tough Micro-USB cable and 2.1A Wall Plug, the Compact Charger expands the portability of all M12products. When not near an outlet, the Compact Charger is compatible with any USB output, including in-vehicle USB ports. Delivering additional functionality, the M12 Compact Charger and Power Source combines with any M12 Battery to provide fast, portable charging for electronic devices. It can also be used to power all models of M12 Heated Gear for increased functionality. M12 Compact Charger and Power Source provides convenient portable charging for batteries and devices.