Macally JBoxMini External Battery for iPhone, iPhone 3G

The JBoxMini Compact External Li-ion Battery will add hours of talk time to your iPhone.

This battery is ideal for long flights, outdoor activities, or anytime your device might run out of power. The hi capacity battery cell will increase usage time approx. 3-4 hours and it's compact size means you can take it anywhere!

Features:

• High capacity Li-ion battery cell increases devices usage time approx. 3-4 hrs

• Compact size

• Standard USB ports and ON/OFF switch

• Recharge from computer's USB port conveniently with included cable

• Built-in battery tester button with battery level LED indicator

• Power On/Off switch to save battery when not in use

• Includes one USB A to mini B male cable