1.Use premium components 2.High Capacity +Metal Material + LED Torch 3.8800mAh Lithium ion Battery 4.CE, ROHS, FCC, PSE, MSD Coolup brand Accessory for iPhone, 8,800/10,400mAh (Optional) Mobile Phone Charging Station : Key Specifications/Special Features:Specifications:Cell type: 18,650 lithium-polymer battery, 4 coresDimensions: 96.7 x 40.5 x 40.5mmWeight: 298.3g (maximum)Colors: silver/blueCapacities: 8,800/10,400mAh (optional)Rated input: DC 5V/1ARated output: USB 5V/2AMaterial and technique: 6061 aluminumFeatures:Auto detecting for the charging current and USB output can charge not only for Apple's iPod, iPhone but also for RIM's BlackBerry, Sony's PlayStation, portable MP3/MP4 players, MID, GPS, Bluetooth, mobile phones and moreSmart size, very portable, power whenever and whereverSupports charging and discharging simultaneouslyStill keeping 80% capacity after your battery using more than 500 timesIntelligent protection without short-circuit, electric leakage, overload, over-charge and over-discharge   

Coolup brand Accessory for iPhone, 8,800/10,400mAh (Optional) Mobile Phone Charging Station