Battery Isolators

Battery isolators can be used as a battery or circuit isolator to allow your alternator to charge more than one battery but keep your starting battery from being drained when the vehicle is not running.

  • Thor 12V 80A Battery Isolator Relay THI-80

    $35.50 $32.00
  • Thor 12V 200A Battery Isolator Relay THI-200

    $69.00 $62.00
  • Thor 12V 500A Battery Isolator Relay THI-500

    $112.00 $101.00