Start Assist Booster Kit for IDCDC40


This start assist kit allows you to start your vehicle off the auxiliary battery in a situation where the main battery is flat (e.g. headlights were left on).

When combined with our 40A DC to DC battery charger, the maximum output increases up to 80amps, doubling the total amperage.


  • Automatic emergency vehicle  start.
  • Boosts DC to DC  charger output to 80amps
  • Start Assist –  The Start Assist Booster  Kit when used in conjunction with the Ironman  4×4 IDCDC40, is an automatic emergency override function allowing the vehicle to start utilizing the auxiliary battery in situations where the main battery is flat.
  • Boost Charge –  This kit will also double the 40amp output of the Ironman 4×4  IDCDC40.  Allowing up to 80amps for the initial fast charge of the auxiliary battery.

Download Fitting Instructions PDF


In Stock


Ironman 4×4 is excited to introduce our new range of Auto Electric products.

Filling the gaps within our range to suit a range of applications, including a DC to DC charger to complement our existing dual battery ranges, electric brake controllers for customers who are towing and protection and preventative devices such as low water alarms, auto off headlights, dual battery monitors and start assist kits.