Emergency Battery Charger USB - Compatible with All USB Cables

Emergency Battery Charger USB - Compatible with USB cables. Deluxe battery extender in mini slim design for your USB cable to your electronic device. Uses 4 (AAA) Size Batteries (Not Included). With on/off switch. Power on LED indicator. Portable and convenient to use. Will almost fully charge your device in one to two hours. (Times may vary). Use your own usb cable (Not Provided) to recharge your battery. Hook the USB side into the Mini Charger and the other directly into your device and let the charging begin.