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Renogy 40A DC to DC Charger with MPPT, Dual Battery Charger, Solar and Alternator Dual Power Input, for Flooded, Gel, AGM, and Lithium Battery

Free shipping on orders over CA $49.99

CA $190.46

CA $ 82 .99 CA $82.99

In Stock

About this item

  • Two Charging Options: The Renogy 40A DC-DC MPPT battery charger offers two versatile charging modes to maximize efficiency. The charger defaults to DC input priority mode. It will automatically switch to the alternate charging mode when the input voltage in the primary mode falls below the default voltage. This ensures maximum efficiency in charging your battery whether you're on the road or parked.
  • Versatile Compatibility: Compatible with various battery types: LiFePO4, Gel, Flooded, and Sealed Lead Acid. It features a 4-stage charging logic that adapts to different battery characteristics for safe and efficient charging.
  • Comprehensive Protection: The Renogy 40A DC-DC MPPT charger incorporates comprehensive system protection, offering full safeguarding for solar, generator, and battery connections. It effectively handles reverse polarity, over-voltage, under-voltage, and over-temperature conditions, ensuring reliable and safe operation in all scenarios.
  • Easy Operation and Visual Alerts: The Renogy 40A DC-DC features indicator lights and buttons for effortless operation. One-touch selection allows you to choose the correct battery type, while LED lights provide visual alerts for errors, ensuring a hassle-free and efficient charging experience.
  • Certified Quality for Long-Term Reliability: This battery charger is certified to multiple safety standards, including FCC, RoHS, CE, and SAA, ensuring it meets international benchmarks. It also comes with a 2-year comprehensive warranty, providing robust assurance for your use.



Product Description

dc to dc battery charger
dc-dc battery charger
dual battery charger
2 in 1 battery charger

Specification

System Voltage 12V-12V
Solar Input Voltage 10 -30V DC
Output Voltage 10 -16V DC
Alternator Input Traditional Alternator: 13.2-16.0VDC ; Smart Alternator (Euro 6): 12-16.0VDC
Maximum Output Current Rating 40A
Output Power 670W
Battery Types AGM, Gel, Flooded, Lithium-iron Phosphate
Input Fuse Rating 60A
Output Fuse Rating 50A
Charging Efficiency ≥93%
Idle Power Consumption <10 mA
Operating Temperature -4℉ -113℉ /-20 ℃ - 45℃
Storage Temperature -4℉ -140℉ /-20 ℃ - 60℃
Humidity 0%~95% RH
Cooling Heat Sink
Dimensions 195 x 149 x 48 mm / 7.68 x 5.87 x 1.89 inch ; 1.2 kg /2.65 lb

Customer
Reviewed in Canada on February 17, 2025
Since this appeared to be a new model, I was skeptical of purchasing it due to the lack of reviews. However, now that I've had it installed in my camper van for almost 3 months (DC-DC only, no solar), I'm glad I chose it and it works great!- The charging output is indeed 40A, just as advertised. That being said, I have noticed it will drop to as low as ~30A if the engine has been idling for 30+ minutes. This seems to maybe be in response to lower idling voltage from the alternator but I'm not entirely sure. I've only observed this while idling though; otherwise, if the vehicle is actually driving and putting out full voltage, the charger works at full capacity.- The voltage cutoff works properly and ensures the charger stops charging when the vehicle engine isn't running. I have not experienced any battery drain from the vehicle battery.- The device is very compact.- As with most devices of this kind, it can get very warm to the touch during prolonged use, but surprisingly it hasn't gotten overly hot. I've taken the necessary precautions during installation but the level of heat it generates does not have me concerned about burning or creating a fire.- The connection cables come bare so you'll need to do some extra work to connect them to your system. Renogy provides some crimp connectors but I didn't use them and instead installed dual-pole (Anderson) connectors on the input and output cables. This has worked well for me; it was an extra expense but definitely worth it in case I need to quickly remove the charger from my system.Overall I'm very satisfied with this charger. It keeps my van's 200AH LiFePO4 house batteries topped off at all times, and doesn't run too hot.
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