Built-in USB output, more features than the original adapter.can use for 49-24-2310、48-59-1201、48-11-2420、48-11-2411、48-11-2401、48-11-2402
Built-in USB and DC interface, it can easily supply power to your 5V/12V mobile device.
Only the USB Power Source,Not included the Battery
Install the adapter on the battery, press the switch once, and the USB voltage is output.
Built-in short circuit protection for safe use of your mobile device.