Feature:
* compatible with cellular phone, PDA, MP3, digital camera and camera- record, DVD player, PSP, USB Device etc..(all need DC power device)
* used high molecule Li battery(polymer) that was conformed with environmental protection.
* easy operation and clearly show battery capacity and output voltage value on LCD display
* with 13 segmental output voltage range from 3v to 9v
* included protection circuit when happen over circuit/over discharge/over charge/ over Temperature
* with buzzer[...]