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Portable emergency vehicle battery charger

  • US 20050258797A1
  • Filed: 05/19/2004
  • Published: 11/24/2005
  • Est. Priority Date: 05/19/2004
  • Status: Active Grant
First Claim
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1. A portable emergency vehicle battery charger, comprises:

  • a portable case having a handle, a power output socket, a power supply switch and a power input socket, wherein the power output socket is a cigar-lighter type for being connected to a cigar-lighter socket in a vehicle; and

    the power input socket for being connected to an external battery charger;

    a battery mounted in the case and connected to the power input socket so the external battery charger can charge the battery; and

    a circuit board mounted in the case and connected to the power supply socket, the battery and the power supply switch, wherein the circuit board outputs a constant charging current to the power output socket.

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