1.compatible with laptop computer,cell phone, PDA, DC, DV, MP3, MP4,MP5,IPC, ipod, GPS PSP, radio, mobile DVD, and many other low voltage home appliances; especially suitable for use in wilderness, travel,or emergency situation like blackout.

2. 9 options of voltage output: 5V(USB), 3/6/9/12/16/19/22/24V.

3. Solar panel:4.5W

4.  Battery capacity: 20000maH

5. AC grid-power charge in: AC100-240V, charge time<8H

6. DC power charge in: 18V/2A

Features:

1. Function as of smart charge: such as pre-charge,quick constant current charge,constant voltage charge,equalizing charge, working life of battery is prolonged effectively.

2. Functions of temperature compensation: thermal adjustment and thermal break off.

3. PWM controls constant voltage

4. Functions of powerful and smart protection for overcharge:with the function of protection from overdischarge,overload,reversed connection,short circuit and thunder protection, battery built-in self repair

5. excelling personalized design: auto-off in unloaded state; alarm sets off when battery is low; indicator reflects light intensity and charging process

6. 3 phases of voltage adjustment to fit to various digital products

7. battery volume is indicated by LED display

8. compatible with charging for cell phones,DC, PDA,PSP,Mp3,Mp4,IPOD,DV,etc.

9. it takes 2 to 3 hours to fill battery with AC

10. continual working period 3 to 5 hours(when built-in battery is filled)