P100 automatically adjusts its output level based on the connected device. Easily charge smartphones and tablets from Apple, Samsung, HTC, Google and BlackBerry, as well as a variety of digital cameras and handheld gaming devices. LG grade A Li-ion polymer cell and premium microchips create high-quality portable charger. Advanced power lock technology with standby time up to six months after fully charged. 500+ recharge cycles over the life of the battery. Designed to be functional and efficient - P100 comes ready to serve as an unobtrusive, lightweight solution to your daily power needs. Four small LEDs alert you as to how much capacity you've got left. Special circuits built for Apple and Android let you charge your phones simultaneously at full speed. With 10,400mAh of capacity, charge your iPhone 5 / 4 / 3GS / 3 four to five times (40 hours of talk time), your Galaxy S3 three times, or your iPad / iPad 2 once. That's more than 400% the capacity of most smart phones.