1. New A-product lithium-ion battery, which can supply saturated power for Apple IPHONE 2. Standard USB interface output, can do warm hand function 3. Durable, the number of charge and discharge cycles ≥ 500 times 4. Intelligent control over charge, over discharge, and short circuit protection circuit 5. Automatic sleep, automatic sleep in non-working state, to prevent power loss 6. One machine is multi-functional, compatible with 99% of devices with USB charging on the market, such as various mobile phones, IPOD, MP3, MP4, IPHONE, GPS, Bluetooth, digital cameras, etc. 7. Use USB port power supply output, plug in the data cable to achieve portable, charging at any time