Ironman 4X4 40A DC to DC Battery Charger

Ironman 4X4 40A DC to DC Battery Charger

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Now: $498.00
RRP: $565.00
(You save $67.00 )
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Ironman 4×4’s DC to DC 40amp boost, 3 stage battery charger. With the new generation of vehicles it is important to ensure that auxilary battery charging is managed in a way to maximize the charge. The Ironman 4×4 DC to DC 40 amps chargers uses the latest generation technology producing more power in a much smaller compact unit. The DC to DC charger is able to cope with under bonnet heat, vibration and has a unique heat sink to maximize cooling and maximize efficiencies. This DC to DC charger is encapsulated in a weatherproof polymer.

The Ironman 4×4 DC to DC charger has a remote dash mounted LED to indicate charge status. A fantastic feature is the 
selectable battery selection with the ability to charge all types of batteries, including FLOODED, AGM, GEL and Lithium. This 
charger is designed to manage and maximize the charge to your batteries. 

Using the boost technology the DC to DC charger boosts the voltage to ensure the batteries are maintained at 100%, making it better for battery life. The boost technology automatically senses for all low voltage alternators, camper trailers, long cable that may incur voltage drops and batteries requiring a high charge.



  • 3-stage 12V Booster Charger  
  • 40A max output
  • Selectable output voltages
  • Over current and temp protected
  • Precise under voltage protection
  • No external isolator required
  • High efciency (Typically >96%)
  • Remote charge status LED indicator
  • Very low standby current <3mA
  • Optional start assist and boost charge features increased amperage output to 80A max


Max Charge Current (without Boost Kit) 40 Amps

Max Charge Current (with Boost Kit) 80 Amps Input Op Volt Range 11-16VDC

Max Charge Voltage
(Flooded Cell) 14.5V
(Lithium) 14.8V

Float Voltage: 13.5V
Lithium Float Charge: 13.9V
Standy Current: 0.003A

Min Input Startup Volt: 12V

Dimensions: 162x71.5x32.2mm Weight: 560g

Note: 80A when combined with Start Assist Kit