Portable lightweight Aluminum cased power pack with 0.5Watt LED flashlight includes a dual output Grade A 5000mAh li-polymer battery. Fits easily in a pocket or bag, which makes it easy to take with you when traveling. Can charge the iPhone5 using its own cable. A full charge can add up to 13 hours of additional talk/music time. Can switch between 800 mA (low) and 1A (high) to support most mobile phones and tablets. Fully charges in 7-8 hours (by USB) and will hold its charge for 4300 hours, ove. 0.75" D x 1.75" W x 3.875" H