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

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

SKU: RNG-DCC1212-40-US
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$204.99
$204.99 - $204.99
$204.99
$151.99
$151.99 - $151.99
$151.99
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Product Highlights
  • Compatible with Multiple Battery Types- The Renogy DC-DC battery charger is compatible with a variety of alternator types, ensuring proper charging for AGM, Flooded, Gel, and Lithium batteries.
  • Smart 3-Stage Charging- This DC-DC charger utilizes a 3-stage charging process (Bulk, Boost, and Float) to efficiently charge your house batteries from the starter battery. The process ensures optimal performance and automatic charging to 100%.
  • Comprehensive Protections for Ultimate Safety- Equipped with advanced safety features, including over-voltage, over-temperature, and reverse polarity protection, this charger guarantees safe operation. Additionally, it isolates the input and output to prevent voltage transmission errors and interference during house battery charging.
  • Protect Your Starter Battery- The DC-DC charger detects when the generator is running, preventing over-discharge of the starter battery and safeguarding the generator. This ensures the reliable operation of your vehicle's electrical system.
  • Reliable and Durable Design- With its compact and robust construction, the DC-DC charger is designed to withstand harsh environments. It is CE-certified for quality assurance and delivers dependable performance in various off-grid applications.
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Renogy 12V 40A DC to DC On-Board Battery Charger

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

The DCC12 Series battery chargers are one of the most effective ways to charge auxiliary or house batteries from the alternator or starter battery. Compatible with various alternator types, the DCC12 delivers precise charging for AGM, Flooded, Gel, and Lithium deep cycle batteries. Featuring a 3-stage battery charger and multiple electronic protections, it ensures batteries are charged optimally and automatically. To enhance safety, the DCC12 isolates the input from the output, preventing incorrect voltage transmission. The compact and sturdy DCC12 can be installed on RVs, commercial vehicles, boats, yachts, and other applications.

Note: Our product department has identified errors in the paper manual included with battery chargers sold before March. The manual on our website has been updated. Refer to the updated manual to verify your product's functions and settings. If you have any questions, feel free to contact us.

Note: The DCC12 Series battery chargers are compatible exclusively with the RTSDCC-G1 sensor.

Specifications:

Renogy 12V 40A DC to DC On-Board Battery Charger
Nominal Voltage 12V
Rated Charge Current 40A
Output 750W
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 -4Β°F to 122Β°F
Dimensions 12.24 in x 6.89 in x 2.68 in
Weight 5.29 lbs
Certifications CE, ROHS

Frequently Asked Questions

What is a DC-DC charger? What is its purpose?

The DC-DC battery charger is installed between the starter battery and the house battery. For the RV system, The generator ensures stable power supply to the starter battery, and uses the extra power of the starter battery to supply power to the house battery.

How to choose a suitable battery charger?

1. Make sure that the entire system is a 12V system 2. Ensure that the maximum charging current provided by the DC-DC battery charger does not exceed the maximum charging current allowed by the house battery

How to set the charging voltage value of the charger?

The DC-DC battery charger adopts the design of the DIP switch and it provides 6 charging voltage settings through five gears. These six charging voltages meet the requirements of lithium batteries and lead-acid batteries in order to provide more charging options. SW5 switch is the selection switch for switching between lead-acid batteries and lithium batteries.

What is the D+ Ignition cable? Is it necessary to connect?

The D+ Ignition cable is a design method used to identify whether the generator is started. This design method can well prevent the starting battery from being over-discharged during the charging process. When the generator is started, a signal will be obtained on the D+ Ignition cable, which will light up the indicator light of the charger. The DC-DC will not power on or operate until the D+ ignition cable is connected.

How can I get these cables?

The battery temperature sensor for DC-to-DC car battery chargers can be purchased at the Renogy store. The D+ ignition cable can be purchased at the local store or online, it suits both D+ and LC terminals. 18-16AWG copper cable recommended.

Product Documents:

Renogy 12V 40A DC to DC On-Board Battery Charger User Manual

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Renogy 12V 40A DC to DC On-Board Battery Charger Specification Sheet

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