Abydos Portable Power Bank - 4400mah Cell Phone Battery Charger Our portable cell phone battery charger is the perfect back up for your regular phone charger and works great for everyday use, long trips, and/or emergency situations. Get power for your phone with rapid charging. Four indicator lights show your battery capacity to ensure a full charge every time Battery charger can also charge other devices, such as tablets, digital cameras, and other devices with a micro USB connection (multiple adapters included to charge multiple brands/types of devices). Compatible with iPhone 5/4S/4/3S/3, Samsung Galaxy, DROID RAZR HD/HD MAXX/M, HTC, LG Phones, iPad, and more. 4400mAh of power to add 100% - 250% to the battery life of most mobile phones; 2 full charges or an additional 15 hours talk time to your iPhone 5/4S/4/3S; 1-2 charges for most Android phones.