Universal USB Extended Battery and Battery Charger for mobile phone
- High capacity:2000mAh,2-4 times than iPod battery.
- Rechargeable Lithium-Ion battery, more than 500 circles.
- The power can remain 80% after more than 500 circles.
- Output:5.5V suitable for psp/pda/cellphone/ipod/mp4.
- Intellectual protection chip: protection for overcharge, over discharge, overload and short circuit protection.