Sell Portable handy iPower device for iPhone

Portable handy iPower device for iPhone You May Also Be Interested In: iphone battery power drain secondary battery
The handy iPower device is a portable lightweight power station that lets you charge your Apple iPhone 2G or 3G on the go. It also features a built-in 1.5W speaker.
Capacity: 2400mAh
Charging Time: ~3hrs
Discharging time (to iPhone) : ~3hrs
Power of amplifier speaker: <1.5W
Input Voltage: 4.8 ~ 5.5V
Current input: 500-1000mA
Voltage output: 5.0-5.5V
Current output: 100-1000mA
Quiescent power drain: <505A
Weight: 93g
Packing Weight: 198g
Packing size:151*86*40mm
On/Off button to access the secondary battery when on, off use iPhone battery.
iPower will turn off automatically after 60s idle status. Or your can turn it off/on by press and hold the button for 3s.
Connect the charge cable to charge the iPhone and secondary battery simultaneously.
If iPowers power is below 10%, the 1st LED will remind you by flickering fast. If bwlow 5%, iPower will stop charging iPhone and providing power for it ; the speaker could keep on playing for about 7hours at this condition.
iPower (3G version) has the volume control button on its right. Ten levels in total. Press and hold up button, volume will increase until Max, press and hold down button, volume will decrease until Mute.