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DC-DC Charger | Renogy | 12V 40A DC to DC Battery Charger


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Subtotal: $179.99

The Renogy 12V 40A DC to DC Battery Charger is designed to maintain your battery's charge on the go, ensuring a seamless and reliable power supply for vehicles, RVs, boats, and more. It supports a variety of battery types including AGM, Gel, Calcium content, VRLA, and standard lead-acid batteries. This charger can be easily integrated into different vehicle systems, operating efficiently across a wide voltage range from 9 to 32 volts.

Renogy's charger stands out with its robust build, making it suitable for tough environments such as under the hood installations, marine applications, or remote areas. Its fully sealed design protects against dust, water, and vibrations, ensuring durability and long-term performance even in harsh conditions.

Key features of the Renogy 12V 40A DC to DC Battery Charger include:

  • Smart multistage charging capability which ensures batteries are charged to their full capacity.
  • A battery isolator, preventing unnecessary drain of the starter battery.
  • It’s quiet with no fan, which minimizes noise during operation.
  • The charger also features multiple protections like over-voltage safety, and reverse polarity protection, enhancing its safety and efficiency.

With its advanced technology and sturdy design, the Renogy 12V 40A DC to DC Battery Charger is an ideal choice for maintaining optimal battery charge, making it a valuable tool for anyone needing reliable power management in diverse conditions

General Data
Terminal Range 8AWG - 6AWG
Grounding Common Negative
Communication RS485
Operating Temp -4℉ to 122℉ (-25℃ to 60℃)
Storage Temp -4℉ to 122℉ (-40℃ to 85℃)
Humidity 0%-95%, No Condensation
Max Altitude 3000m
Dimensions 9.31 x 6.00 x 2.36 in
Weight 4.41 lb
Certification CE/RoHS/FCC
Protection Reverse Polarity, Overvoltage, Over Discharge, Overcurrent, Over Temperature
Electrical Data
System Voltage 12V
Alternator Input 13.2-16.0VDC (Traditional), 12-16.0VDC (Smart Euro 6)
Max Output Current 40A
Output Power 584W
Battery Types AGM, Gel, Flooded, Lithium-iron Phosphate, User
Input Fuse 60A
Output Fuse 50A
Charging Efficiency 94%
Temperature Compensation -3mV/℃/2V (Non-Lithium), 0mV/℃/2V (Lithium)
Idle Power Consumption <15mA
Package Includes
Battery charger, temperature sensor, IGN Signal Wire, User Manual, Terminal Rings
Warranty Information
2-year material warranty

Please see more details in the 'Data Sheets' tab.


We don't hold the stock on hand but have a trusted supplier who will send this direct from their nearest warehouse to ensure you receive it as soon as possible.


Renogy 12V 40A DC to DC Battery Charger Warranty Sheet

Data Sheets

Renogy 12V 40A DC to DC Battery Charger Manual

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