Aluratek's APB05F 2600mAh Portable Battery Charger is a great solution to charge your devices when you don't have the convenience of an AC outlet nearby. The APB05F is designed to provide you power when you need it the most by utilizing the latest in Lithium-Ion battery for on-the-go charging. Featuring a 4 level LED battery indicator you will know how much battery power is remaining to charge your devices. When fully charged the Portable Battery Charger can extend the battery life of your devices by two approximate charges. The Portable Battery Charger is a renewable power source that can be recharged by simply connecting it to the USB port on your computer. Thin and compact the battery pack is the perfect travel companion for life on the road.