Batteries sold separately. Matching Group 34 batteries are required.

  • This is the most complete and easiest to install dual battery system on the market. This version has a heavy duty battery tray that you mount into your application.
  • Completely pre-wired out of the box
  • Boost switch included, jump start your vehicle off your second battery
  • Power and Ground bus bars make it easy to connect accessories
  • Smart Isolator automatically handles all charging functions
  • Interface port pre-wired for the G Screen monitoring system
  • Best quality wires, tin-plated copper connectors, sealed heat shrink tubing
  • Powder coated for durability
  • Proudly made in the USA
  • The top cover plate has several innovative features in a simple package. All of the wiring has already been done for you, and the smart isolator comes pre-installed.
  • The welded gussets on top have holes with grommets to route the wires directly to the correct battery post, so there's no guess work involved to make the connections.
  • Use the extra grommets for routing your own accessory wires cleanly and neatly to the power and ground bus bars.
  • High quality battery terminal connectors are soldered and crimped to the flexible 2 gauge wire connecting the batteries together. With all the wiring integrated into the top plate, servicing your batteries has never been easier.
  • Simply pull the terminals off the battery posts, remove the 4 easily accessible stainless fasteners securing the lid, and all the wiring can be lifted up and out of the way to service your batteries when necessary.

The included smart isolator gives you automatic control of all the charging functions with no interaction required.


Here's how it works.

  • When both your batteries are fully charged at 13.2 volts, they are automatically connected and are charged at the same time.
  • When you park and turn off the engine, but continue to use accessories such as lights or the stereo or a CB, both batteries begin to drain down.
  • When your main cranking battery reaches 12.7 volts, the smart isolator separates the batteries, so that your cranking battery will have enough power to start the engine. The second battery continues to power your accessories for as long as it will last.
  • After you crank the vehicle, your main cranking battery will be charged up to 13.2 volts first, and then the isolator will begin charging your accessory battery. By only charging one battery at