Model SF 512

Battery Back Up
For Alternative Heating Appliances and Pellet Stoves

550 Watt Capacity

SF 512 interfaces between a heating appliance (wood pellet or alternative fuel stove) and its AC wall outlet. When AC utility power is present, the SF 512 charges a battery and monitors the wall outlet to detect a power outage. At the moment utility power fails, the SF 512 draws energy from a battery and converts it to enable appliance operation. When utility power returns, the SF 512 automatically switches the appliance back to AC wall outlet power. At the same time, the SF 512 resumes charging the battery to return it to full capacity in preparation for the next power failure.

General Application

  • To determine compatibility: User should verify that that the heating appliance is started by manual ignition only and that under no conditions does it draw more than 5A from the outlet


  • Rugged Aluminum Housing
  • Battery Cables Included
  • Works with Common Marine Batteries
  • Compact Size
  • For Wall Mount or Surface Mount Installation
  • 2 year Factory Warranty


  • Works with Most Alternative Fuel Devices
  • Instant Automatic Power Transfer
  • Supports Full Stove Electrical Capacity
  • Does Not Occupy Living Quarter Space
  • Can Be Easily Installed
  • Silent and Clean Operation


  • Wood Pellet Stoves
  • Kerosene Heaters
  • Gas Stoves
  • Corn Stoves
  • Multi Fuel Stoves