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Your cart is empty.Renogy's DC to DC MPPT on-board Battery Charger is designed to give you options! This multi-stage, multi-input battery charger can charge a service battery from a starting battery linked to an alternator or by utilizing solar panels connected directly to the unit. While your vehicle's alternator prioritizes your starting battery, this unit will allow your solar system to charge your service battery first! It's the smart way to keep yourself fully charged and off-grid longer! And with multi-stage charging and multi-chemistry functionality, Renogy's DC to DC MPPT Charger has you covered whether you're using Flooded, Gel, AGM, or Lithium batteries. With RJ45 communication port featured, you can unlock monitoring features exclusively using the BT-2 Bluetooth Module and Renogy DC Home App, control and monitor the device remotely through your phone in real time. Built-in Voltage Sensitive Relay (VSR) When connected with two batteries, it is vital to be able to isolate the two start and service batteries for charging safety. Renogy Dual Input DC-DC On Board MPPT Battery Charger with its built-in VSR allows vehicle owners to enjoy the benefits of fully charged deep cycle service batteries while reliably isolating it to the engine starting battery with one easy-to-install charging system. Temperature Monitor and Voltage Adjust Featured with a Remote Temperature Sensor Port, the DC-DC Battery Charger can measure the temperature of the battery in real-time and uses this data for very accurate temperature compensation for both too high or low battery temperatures, thus adjusting charging voltage to assure stable and constant charging to the battery.
Jeremy M.
Reviewed in the United States on September 14, 2024
I have a cargo trailer that I use for work with a 2000 watt inverter to run power tool chargers & lights in the trailer. I have a 200 watt solar array connected to the solar input as well as the vehicle smart alternator input. The (2) 100 Ah AGM batteries stay charged through this device to where I never have to plug in my trailer to the house to charge my batteries. What I like about this product is if it’s cloudy and I’m using power then the vehicle will charge the batteries as I’m driving from job to job or I can start the truck for a few minutes and get a charge. This device also prevents voltage feeding back to the vehicle from my trailer batteries as it would if it were connected straight to the battery output from the truck. It also prevents overcharging of the batteries, extending the life. Lastly, the ability to change battery types on this device makes it great to use for different battery chemical types. The price is a little high but it does exactly what I need in just one device.
Kevin Kunzler
Reviewed in Canada on August 25, 2024
It worked alright for 3 months in my RV hooked up to the van alternator and one 315w solar panel. In month 4 is worked intermittently and stopped altogether after 4 months of use while I was on a long trip. The customer service was ok, but wouldn't refund the unit only replace which took 6 weeks to arrive. I had to purchase another one to complete the trip, a Victron 50a DC-DC.
Customer
Reviewed in Canada on July 22, 2024
This is the correct way to connect an off grid house battery to the vehicle charging system and solar input! Provides several safety features and can be monitored with the data screen. Can be used with lead acid, AGM and Lithium batteries!
Cardian A.
Reviewed in Canada on March 20, 2024
Works as should, the only design issue, soon as any solar power detected, limits the alternator output to 25 amp. Works perfectly as a dc to dc charger with 50a output.
John R. Bechtoldt
Reviewed in the United States on December 7, 2024
This is the most compact and easiest DC-to-DC charger and Solar regulator I have found. I added the BT-2 Blue tooth module and can monitor and control its functionality via my smart phone. I was an each install in my motorhome and works flawlesly.
Stephanie Gougeon
Reviewed in Canada on November 4, 2024
This combo works great and kinda easy to install
Daniel Picker
Reviewed in Canada on September 20, 2023
J'ai installé cette équipement et tout de suite constaté à l'usage que les spécifications indiqué dans la présentation respectaient à 100% la réalité. Charge jusqu'à 50 ampère. La programmation est facile. Même le mode personnalisé permet de limiter l'ampérage de charge et tout les autres paramètres.Bon produit que je recommande fortement. Est supérieur à d'autres marques populaires.Je suis bien content de mon achat
Brian Hart
Reviewed in Australia on March 7, 2023
Looks good quality but haven't installed it yet.
Alex
Reviewed in Australia on February 3, 2023
I've had this wired up in my vehicle for a few months and it's doing a great job. I've regularly seen it pushing over 40A through the battery. 45 minutes driving a day is enough to keep my fridge running 24/7. Knowing how fast I can charge the battery I wish I'd bought a smaller one!
Redneck Albertan
Reviewed in Canada on December 13, 2023
Installed in a bus conversion to take advantage of the alternator charging my LiFePo4 batteries when the engine is running and being able to trickle charge the starter batteries while parked. Seamless installation, robust connectors and after I ordered and installed the BT-2 hardware, the app provides all the pertinent information in real time. Time will determine the durability of the device, but it's working great thus far. Cheers!
Kel
Reviewed in Canada on April 10, 2023
This seems like a very good quality charger. I bought it so that my van's start battery charges as I drive. The other option it offers is charging your solar panels as well. The tracking for the power is a great feature. We'll see !
MadDawg
Reviewed in the United States on April 18, 2022
This is a really simple system to hook up. I recommend getting either a bus bar or distribution block for the ground at the very least. I'll be putting a positive distribution block in also. You will also need a second inline fuse for the alternator input. It does come with one 60-amp ANL, but the manual recommends one for both solar input and alternator. Also, in line fuse for your solar panels at the connection. It's redundant but a lot cheaper to replace a fuse than cable, panels or batteries. I haven't had a chance to get my solar panels hooked up, but I have the DCDC charging set up. It works perfectly fine. I'm running a 300-amp alt to a battery isolator for my auxiliary battery bank for my offroad lighting and winch. From that point (for now) I hooked up 4AWG battery cables with jumper cable alligator clips, to an Anderson plug that runs into my cargo trailer conversion. Right now, I'm running 300 ah bank, with a 3500 watt inverter and it's being charged flawlessly when running my truck. When the extra battery cable shows up I'll run a more permanent setup from the starter battery rather than the auxiliary, which I think will shorten charge time drastically since it will be more direct.
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