solar mobile phone charger

Solar power: 1.54W mono-crystalline silicon panel Storage battery:3.8V/2500mAh
Size:137*79*24
N.W.:240g
Charging time: charge inbuilt battery for 8hrs and charge cell phone fully for 2hrs,the output current is 1A(max),and output power is 4W(max)
Feature: 1)could charge for MP3,MP4,PDA,digital camera,MD,walkman,and all kinds of brand mobile phone.