Recent content by prof_rosewood

  1. P

    Aux Battery - why won't it keep my Nexus 7 from draining its battery?

    I am sorry for omitting the fact that I attached a cigarette adapter then plugged in a usb adapter that outputs 5v. It doesn't keep up with the drain. The battery is a 12v 7amp hr.
  2. P

    Aux Battery - why won't it keep my Nexus 7 from draining its battery?

    I use my Nexus 7 with an aviation app. I have a dry cell 12v battery that I plug the Nexus into but the main battery still drains. Any ideas on why or other ways to add an aux battery?
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