12V 40A DC to DC On-Board Battery Charger

12V 40A DC to DC On-Board Battery Charger
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SKU: RNG-DCC1212-40-UK
£159.99 £135.99


Please allow up to 1 to 2 business days for processing and 3 to 5 business days for shipping.



The DCC12 Series battery chargers are the most effective way to charge your auxiliary or house batteries from the alternator/starter battery. Compatible with a multitude of alternator types, the DCC12 offers correct charging for AGM, Flooded, Gel, and even Lithium deep cycle batteries! Featuring a 3-stage battery charger and multiple electronic protections, owners can feel confident that their batteries are being charged optimally and automatically. For added safety to personnel, the DCC12 isolates the input from the output preventing incorrect voltage transmission. Easily install the compact yet sturdy DC1212 on RV’s, commercial vehicles, boats, yachts and many more applications!

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

Note: Our product department found that there are some errors in the paper manual attached to the battery charger sold before March , and now the manual on the website has been updated. Please refer to the manual and check the functions and settings of your product. If you have any questions, please contact us in time.

Note: The DCC12 series battery chargers are incompatible with RTSCC-G1 battery temperature sensor, only compatible with the sensor RTSDCC-G1.

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 Include


Renogy 40A DC to DC Battery Charger


1 x

Renogy 20A DC to DC Battery Charger

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 6.89 x 2.68 inches
Weight: 4.14lbs/1.88kg  

Warranty Information

Accessories 1-year material warranty


12V DC to DC On-Board Battery Charger manual
12V DC to DC On-Board Battery Charger manual
Please refer to the manual below if you bought the battery charger before 03/25/2020:
12V DC to DC On-board Battery Charger Manual V1.2

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