... range of 12V 3A,digital Video, digital camera, mobile phones, MP3, MP4, GPS tracker,PDA,portable DVD, interphone, radio, recorder ... work continuously 80 hours ;continue to charge mobile phones 10pcs, MP3, MP4, digital camera etc small electronic;3PCS electronic equipments: 70W ... to turn off all of switches, pull plugs out, and change or adjust using electronic equipments.It's normal situation for ...