12V 40A DC to DC Battery Charger w/o Solar Input
12V 40A DC to DC Battery Charger w/o Solar Input
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SKU: RNG-DCC1212-40-AU
AU$199.99 AU$179.99


AU stock, usually ships in 1 to 3 business days.



This 40A DC to DC Charger is designed to charge secondary batteries while driving using the primary battery connected to the alternator. It is able to charge: Flooded, Gel, AGM, and Lithium batteries using multi-stage charging.

If you have any questions regarding this product, please submit a case !

Key Features

  • Multi-Chemistry Battery Types: AGM, Flooded, Gel, and Lithium
  • Smart Protection Features: Over-voltage safety, Overheat protection, and Reverse polarity protection
  • Battery Input and Output Isolation
  • 3-phase Charging: Bulk, Boost, and Float
  • Compact, sturdy design, built tough for all conditions
  • Increases run time of loads, such as fridges and lights
  • Overcomes voltage drop caused by long cable runs
  • Prolongs Battery Life

Package Includes

40A DC to DC Battery Charger

Renogy 40A DC to DC Battery Charger

1 x


Renogy 40A DC to DC Battery Charger  
Nominal Voltage: 12V Rated Charge Current: 40A
Output: 500W Idle Power Consumption: <0.4A
Input Voltage Range: 8V-16V Equalization Voltage: N/A
Float Voltage: 13.2-13.8v Boost Voltage: 14.1-14.7v
Operating Temperature: -20°C to +50°C Dimensions: 10.28 x 6.88 x 2.68 inches / 26.1 x 17.5 x 6.8 cm
Weight: 4.14lbs / 1.88kg  

Warranty Information

Accessories 1-year material warranty


12V 20/40A DC to DC Battery Charger w/o Solar Input Datasheet
12V 20/40A DC to DC Battery Charger w/o Solar Input Maunal

Reviews Hide Reviews


Alan Brayne on Jan 11th 2022

The 40amp DCDC charger I purchased is of a very good quality and is well priced.

Renogy 40 amp dc to dc charger.

Ian Werfel on Mar 14th 2021

Absolutely impressed and very pleased with this device. Have no worries now with running our caravan refrigerator now and the lithium batteries maintained in a fully charged state with no concerns.

DcDC charger

NEIL GLOSTER on Feb 2nd 2021

This was recommended by a friend and so I purchased one its a great product a 20 amp and a 40 amp charger in one unit and it has now been fitted to my ute and the 2nd battery has never been better !! charged properly now its runs fridges and other things and its great all due to the charge !!!