Technical Parameters:

1.Input Voltage:1.5-3 V

2.Output Voltage:5V

3.Output Current:500mAh-1500mAh

4.Color:Black

5.Use 2pcs AA battery or  rechargeable battery

6.DC-DC quick charging boosted circuit built-in,use two pieces battery can boosted to 5V,transfer efficiency can reach to more than 98%,Use new AA battery can charge the android phone(2500mAh battery)to 40% with in 30 minutes

7.Built in protection circuit,when the AA battery used or the device charged full,it will stop charge by itself

8.Only need two pieces AA battery that very easy to buy anywhere then can charge your android phone/MP3/MP4/PSP/GPS anytime

9.Size:17mm*17mm*17mm

10.Output USB:micro USB.

Package:

1* Micro USB Charging device(not include battery)