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Multi-Power Charger and Battery Backup System

  • US 20080143290A1
  • Filed: 12/14/2007
  • Published: 06/19/2008
  • Est. Priority Date: 12/19/2006
  • Status: Active Grant
First Claim
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1. A multi-power charger comprising:

  • an internal battery;

    a first input receptacle for connecting to a first external power source;

    a first output receptacle for connecting to a first device;

    a voltage selection circuit, wherein the voltage selection comprises logic for;

    determining a first operating voltage of the first device;

    selecting a first power supply source to supply the first operating voltage of the first device, wherein the first power supply source is at least one of the group consisting of the internal battery and the first external power source; and

    delivering the first operating voltage to the first output receptacle.

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