Secondary Battery Box w Inverter, 12V, for Overlanding, Commercial, Construction, DC DC Charger

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  • Regular price $539.97
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Featuring a plug and play concept, Cutting Edge Power premium secondary battery boxes are the perfect companion for automotive installation for overlanding adventures, commercial vans, trailers, storage, etc. 

Being able to use your own supplied battery, or use our battery, makes this secondary battery box one of the least expensive options on the market. 

This secondary battery box can be used with any 12V battery.  We recommend our deep cycle SLA battery/batteries but any 12V car battery will also work.  All connections are made inside the box.  Professionally wired in Houston, TX, all you need to do is connect the 5/16" battery ring terminals.

This device can also be used with lithium batteries.


  • 3000W version:
    • Huge battery space - Can hold (2) Size 24-31 100Ah batteries
  • 1000W and 2000W versions:
    • Can hold (1) Size 24-31 100Ah battery
  • Pre-wired and ready to go: 5/16" ring battery terminals to hook up your battery.  No crimping, splicing, or extra wiring needed.
  • Built-in short-circuit protection, open-circuit protection, reverse polarity protection, and over-load protection.
  • 12V Socket with 30A circuit breaker.
  • Big LCD display with all adjustable parameters.
  • Premium marine grade 200°C rated silicone insulated wire.
  • Includes terminals for connecting more external batteries in parallel.
  • Supported by Cutting Edge Power, headquartered in the USA, with American technical support and a large array of accessories on our website.
  • Assembled in USA, Enclosure made in USA.


  • Ports:
    • Output:
      • Household 110/120VAC / 1PH / 60 HZ 3-prong outlet
        • Maximum surge power output: 2 x rated continuous output
      • 12V socket, 30A (360W max output)
    • Input:
      • Screw terminals for connecting to your vehicle's main primary battery
  • Temperature range: -31°F~140°F 
  • Outside dimensions: 25" L x 16.0" W x 15" H
  • Inside dimensions: 21" L x 11.8" W x 10" H