2) New A-product lithium battery, which can supply saturated power for Apple IPHONE 3) Standard dual USB interface output, LED light digital display power 4) Durable, charging and discharging cycle times ≥ 500 times 5) Intelligent control over charge, over discharge, and short circuit protection circuit 6) Automatic sleep, automatic sleep in non-working state, to prevent power loss 7) One machine multi-function, suitable for all devices with USB charging, such as various mobile phones, IPOD, MP3, MP4, IPHONE, GPS, Bluetooth, digital cameras, etc.