1.Portable Emergency Charger For Iphone 4;
2.capacity:1500mAh
3.Convenient to take along with you.
4.USB charger connect.

Portable Emergency charger for iPhone 4:

Features:

Easy to charge: Connect your Iphone to this power station,and use your data cable to connect this station and the computer.Easy to take: smart volum and it is very light.This item can be used as an emergency battery when you are in vehicle,any situation that you can't charge your Phone.The playtime of speaker:8hoursCharging time for iPhone is 2.5 hours

Parameters:

A	Battery type	Li-polymer
	Dimensions	60mm*18mm*120mm
	Weight
B	Outside power Charge for this product:
	PC USB CHARGE	5V,500MA
	Original ADAPTOR charge	5V,1A
	Charging time	4hrs(iPhone and outside power are  full charge at the same time
C	External battery charger for IPHONE
	Charging specification	5V,500MA
	Charging time	2.5hrs
	Endurance	24hrs
D	Speaker Technical parameters
	Output power	2W*2
	Distortion	0.10%
	Efficiency	90%
	Frequency response	100HZ-20KHZ
	Play time	8hrs

Package included:

1*Portable charger

1*Battery

1*USB cable

Pic of detail: