The USB Power Injector Lead allows you to externally power your USB device from a power pack. Great for when you want to charge your phone in its dock without turning on your computer, or changing leads! This lead also allows you to use your power hungry portable hard-drive on your USB-OTGmobile device or simply when you only have one USB port (with limited power) available.
Built-in capacitor for protecting devices and computerfrom noisy external power supplies
Simply connect your 5VDC power supply to the 2.1mm DC Socket
