The Metrans 5200MAH Smart Battery Charger Power Bank power with Li-ion battery makes it able to charge almost all kinds of mobile phones and digital products including iPhone，iPod，mp3，mp4 GPS，cell phones like nokia，samsung etc.With the precise IC protector to safely avoid over charging， over-discharging and short circuit.

Features

Have a capacity of 5200 mAh， being compact and easy to carry.
Adopt advanced intelligent management technology， and possess the protection functions as over-charge， discharge， overload， reverse connection， short circuit， etc.
Dual USB output port， charging speed to be freely controlled， and 2.1A interface suitable for tablets.
Gently clicking the keys can allow you to start or stop charging and to keep abreast of battery condition. And long pressing for five seconds can turn on the LED lighting function to facilitate daily emergency use.