External battery pack backup battery charger power station for digital products
Works with most MP3 players， PDA，MID，tablet PC cell phones as iphone4 4S samsung i9300 N7100.etc and USB powered devices
Ideal for extended calling， long trips， gaming and listening to music.

Cell type: Li-LION battery
Capacity: 20000 mAh
Input: DC5V 1.0A(Max)
Output 1 : DC5V 1A(Max)
Output 2: DC5V  2.1A(Max)
the portable backup battery pack is with a LED display screen that is showing the quantity of electricity，and with a LED torch for daily lighting
product size: 15*7.1*2.2cm

1* 20000 / 30000 mAH Power Bank (choose your option)

4* Connector

1* USB Cable

1* Retail Box

Warranty: 3 Months