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Expandable AC power supply device

  • US 5,616,968 A
  • Filed: 12/23/1994
  • Issued: 04/01/1997
  • Est. Priority Date: 12/24/1993
  • Status: Expired due to Fees
First Claim
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1. An interconnectable power supply module comprising:

  • a battery;

    a battery charger operating to charge said battery;

    a power generator operating to convert an electrical charge stored in said battery to generate output power for an external load;

    a power supply plug for receiving external power from an external power source;

    a power supply socket configured to couple the external power received from the external power source to an adjacent power supply module;

    an external load output socket on which output power is supplied to the external load from one of the external power source and said power generator; and

    a connecting terminal selectively coupling the external load output power to the adjacent power supply module.

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