TDR02040 Thunder 40Amp DC DC Charger with MPPT solar regulator | DC Chargers | Perth Pro Auto ELECTRIC PARTS
Regular price $469.00
Unit price  per 
GST included. Shipping calculated at checkout.
Regular price $469.00
Unit price  per 

The Thunder 40A DC-DC Charger with MPPT solar regulator allows an increase in your battery capacity while still charging smoothly and faster than the 20A DC-DC Charger. The inclusive MPPT solar regulator gives you the benefit of extracting maximum power out of your solar panels, rather than relying solely on your alternator and resulting in hitting the tracks sooner.

The Thunder 40A DC-DC charger is a suitable to charge auxiliary batteries quickly and efficiently from your vehicle or solar panels| Perth Pro Auto



The Thunder DC to DC Charger (TDR02040) utilises a unique pulse charging algorithm with the intelligence to determine the best charge rate for your auxiliary battery (excluding lithium).  Included in this state of the art product is an MPPT solar regulator that is able to regulate up to 550W of solar @ 25V, this means that the TDR02040 will regulate your solar panel at maximum efficiency.

See here, the User Manual



  • MPPT solar regulator will regulate solar panels at maximum efficiency, capable of up to 550W of solar input @ 25V
  • 40A output to charge your auxiliary battery while driving
  • Automatically switches to the solar input when the vehicle battery is turned off or main battery drops to 11.9V
  • Splash resistant (not IP rated)
  • Easy to read and comprehensive LED display



  • Voltage: 12V
  • External Dimension (LxWxH) 255mm x 126mm x 50mm
  • Battery Types: Gel, Calcium, AGM and Lead Acid
  • Vehicle input Voltage: 12.2-17V
  • Min-max charging voltages: 13-25V
  • Charging style: 8 stage from the vehicle and 3 stage from solar
  • Operating temp: 0-60 degrees C
  • Battery Range: 18-250Ah

Note: The 40A DC-DC has an ignition feed that must be connected, this is to ensure the auxiliary battery does not drain the main battery after the vehicle is turned off


Suitable Applications

Keeping your batteries charged doesn’t need to be expensive, the 40A DC-DC Charger is designed for your weekend adventurer, touring enthusiast and your off road junkies!

Backed by a market leading warranty you can have motoring confidence.



Pickup or Shipping

We offer you a convenient shipping and delivery service or you can simply come and pickup your order from our shop in Bassendean.

We offer worldwide shipping. If you require express shipping please contact us on +61861553932 and we will happily organise this for you.

If you choose to pickup your order, we will call you when your items are available. This generally takes between 1-3 business days. Please note that we do not regularly stock all items in our shop so please wait for us to confirm they are ready for pickup or call us to check availability.

See more information about our pickup and shipping options.

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We get you: Ready to drive anywhere!