My search stopped at the Renogy with the DCC50S, not Australian made but, because it was precisely what I wanted and at a sub $350 price (at the time). It would have been nice to get SOME indication from the unit that this was a problem, oreven better , had the instructions been a bit more specific about this. This Renogy DC-DC battery charger is compatible with traditional and smart alternators. The RV came with a mechanical solenoid isolator b. And now it was time for a test. I had seen Ray over at Love Your RV do this upgrade on his 5th wheel, so we were hoping to do the same. A typical installation of a DC-DC charger. The DC-DC battery charger adopts the design of the DIP switch and it provides 6 charging voltage settings through five gears. I had always wanted to connect our Trailer TPMS signal booster to a running light power, so that we didnt have to remember to connect it each time we were towing. An external fuse is required for installation. Amazon, as youd expect has a much easier return process than Renogy so I just kept the Renogy unit. Pretty good in theory, but it was much much harder to accomplish the cable pull through the hose. 18-16AWG copper cable recommended. 480 watts solar, more than will fit on your small compact roof. She had one priority in regards to energy usage when we were starting our camper journey, which was, above all, she would prefer to not be reliant on using a generator, ever if possible. Meaning your panel array can be much larger when using the NLDC-40. If the Alt. The wire gauge is so small (like 12g?) Renogy's DC to DC MPPT on-board Battery Charger is designed to give you options! I have dealt with Renogy Customer Service in the past, and they were very responsive. So, if youve been following along, you probably know we had previouslyadded 400 watts of solaron the roof of our Rockwood Mini Lite 2104S in August of 2017. Well minor issue on a recent trip when we finally really tested this setup. The D+ is going to my running lights on my TT after the 7-pin connector. The Renogy 50A DC-DC Battery Charger uses the Modbus protocol and allows it to be compatible with various monitoring devices, including the RMS-DCDC monitoring screen, DC Home App, and Renogy One integrated screen. 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: . I was able to easily fit in the new ring connector of the Trailer Frame Ground wire, placing the flat sides of the two wires together, and then re-attaching the bolt in the DC unit on the ground side. If you have any questions, please contact us in time. Renogy's DC to DC charger packs all the same capabilities as any other manufacturer's, at a lower price point. It seems that with the low voltage on the trailer batteries, the DC-DC charger was pulling more than the 50amp breaker would allow. How to set the charging voltage value of the charger? Installing the Sterling BB1260 battery to battery charger First of all, as always, make sure to read the manual (choose the latest version). step 9 : terminate the positive and negative #4 wires with the Anderson connector ends, add Anderson plug and rubber boot. And what the heck does that mean ? I have some 4AWG that I think I can repurpose, or I'll just buy new wire off Amazon or something. These are very reliable connectors (used for things like powering winches and snowplows), have a nice weatherproof cover, and are rated for 50amps of power. As a bonus it can be reduced to half power if full output is not required (like for example the first few minutes after engine start with a timer relay). This multi-stage, multi-input battery charger can charge the house battery from a starter battery linked to the car alternator or by utilizing solar panels connected directly to the unit. How to choose a suitable battery charger? Ive hooked up my 40A Renogy DC-DC with input from TV with 4ga Anderson connector and output to my 280Ah LiFePO4. Charger Bob L on Jun 23rd 2022 Compatible with a multitude of alternator types, the DC-DC battery charger offers correct charging for AGM, Flooded, Gel, and Lithium batteries. And finally, connect the a DC positive wire to switch ON the converter and see if it works. I used some WAGO connectors for both the positive and negative side of this marker light, because I had multiple things I wanted to connect to this marker light power, now that I had it available. With Pandemic shipping times, I didnt want to wait too long and had it shipped to a future destination a few days into our future itinerary. It has multifunctional safety technology including over-voltage protection, over-temperature protection, and reverse polarity protection to make it safer for use. 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. Totally demoralizing after a long 6-7 hour overall project effort. step 15 : Fast forward a couple of days. What is a DC-DC charger? Let me know if I can be of any more assistance. Question: can I use a smaller gauge wire like a an 18 gauge wire instead of a hes y 4 g cable? 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. The Renogy DC-DC Battery Charger with unique dual charging options. The charger is overheating in Scotland in Mid winter and where the charger sits its about 15c and it has plenty of air. 1. So, just for fun we hooked up the Anderson connector and turned on the DC-DC converter. I use a solar cut off switch to gain the full power when driving, this is causing an overheating issue and is the same when the solar has turned itself off when dark. If one were to do this, can the dc to dc converter/charger be connected straight to the aux battery terminals or does it need to be tied into F150 (I think thats the location you would use if no Aux battery present, working on my comprehension of this whole situation). This implies that various levels are employed while the battery charges. I would like to see the charger use an algorithm when driving, so it measure the solar output which would gain what ever it needs from the alternator. There are three different locations that we recommend installing fuses or breakers: Between the charge controller and battery bank Between the charge controller and solar panels Between the battery bank and inverter 1-Between the charge controller and battery bank If you have any questions regarding this product, pleasesubmit a case. Most default dual battery systems support auxiliary battery charging through an isolator but commonly this does not allow for a full charge of the second battery bank. Its a great MPPT Solar controller/DC to DC battery charger. We decided to try a DC-DC charger from Renogy. Remove the (4) seat bolts at each corner of the base of the seat. 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. Be careful not to over-torque the terminals on the DCDC as over-torquing may cause irreparable damage (Do not exceed 16 N-m / 3.3 ft-lb). Posts: 8. My connections were not up to Eddie standards, but, the connections are solid, and I was able to cover all my mistakes up with heat shrink tubing, so hopefully Eddie wont laugh too hard at me next time he sees my work. The D+ Ignition cable is a design method used to identify whether the generator is started. Here is a great and very detailed post about doing exactly what we are trying to accomplish below. I picked the 40 amp model . . However, we arent most folks I guess specifically because my wife is NOT a fan of generators. Gender: Male. This means that, all I had to do was run a #4 cable from the shunt, snake it through the existing wiring, and terminate that cable in the back of the DC Charger, on the Input side. 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, orLithium batteries. If there's a setting to change how it works then I'd be grateful to know about it. Installing a Renogy 12V 40amp DC to DC Battery Charger on a Travel Trailer. Connect the - to a factory ground point under the drivers seat. Connecting to the DC+ lug for a light power source that is only powered when the engine is running. The smart edition is able to be connected to your phone through Bluetooth so you can manually program it. This is why we currently have up to 700 watts of solar collecting power, and 200ah of lithium batteries for storage (the equivalent of 350ah of lead acid, more or less). Because that ground wasnt available, the unit just wouldnt turn on. Please allow up to 1 to 2 business days for processing and 3 to 5 business days for shipping. The 50A Renogy will be ok, but "might" stress the battery. I have also read some strong feelings against Renogy. 3. The D+ Ignition cable is capable of identifying whether the generator is started, to prevent over-discharge of the starting battery and protect the generator. This diagram shows the whole connection of the DC-DC On-Board Battery Charger. This is a great piece of kit that is very easy to wire up. This Renogy DC-DC On-Board Battery Charger with MPPT was specially die-cast aluminum designed for efficient and ZERO dB noiseless heat dissipation. This side of the DC Charger is the Incoming power from the hose connector, the two #4 cables that run out of the camper, along the frame, and can be connected to the Truck-side Anderson Connector plug. Easily install the compact yet sturdy DC1212 on RVs, commercial vehicles, boats, yachts and many more applications! The battery temperature sensor for DC-to-DC car battery chargers can be purchased at the Renogy store. Your email address will not be published. Links to all products Cahn uses below. There is possibly some extra demand and wear that this will put on your alternator, especially if used when not driving. Just adding another 100ah battery would probably be enough to get us through an extra one to three additional days of no solar. 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. Renogy DC-DC On-Board Battery Charger is designed to charge service batteries from a starting battery linked to an alternator or by utilizing solar panels connected directly to the unit, offering multiple charging options and ensuring your battery stay fully charged. See photo 5.8. This can be configured to do just that. The DC-DC Battery Chargers are the most effective way to charge your house batteries from the starter battery. +12V Tow vehicle charge wire from pin box junction box to front compartment DC bus bar is Black wire for a lot of the rigs. In short, Id suggest youre probably better off with a higher rated. Bought a 170 lithium battery from renogy 4 months ago and one major issue shows up every-time. 18-16AWG copper cable recommended. If you have any questions regarding this product, please, More questions about your off-grid power system? Show more Show more Show chat. If you have any questions regarding this product, pleasesubmit a case. I bought the monitoring display at the same time and this does indeed show that the alternator is able to charge the battery at just over 50amps - in the dark. This Renogy DC-DC battery charger is compatible with traditional and smart alternators. The D+ ignition cable can be purchased at the local store or online, it suits both D+ and LC terminals. We went with a 40amp model, but they also make them in 20 and 60amp. 04-23-2021, 10:00 PM. 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. I also test out using an old Bogart SC2030 solar charge controller I have laying around for alternator charging. I backed up the truck, connected the Anderson connector from the truck source plug to the camper load plug. It also isolates the input and output to prevent voltage transmission errors and interfere with house battery charging. The key components of a solar van installation are: Solar panels: Solar panels come in two main types: monocrystalline and polycrystalline. Make sure that the plug cannot tough the post by pushing it down out of the way. and THERE WAS ! We dont anticipate using this very often (since our Solar is always on), so we wanted to have a way to connect and charge as needed. 1. Step 6 : pull the #4 wire through the frame channel. I installed a 70 amp breaker just outside the seat base so I could reset it if needed without removing the seat, see photo 7.10. What is the D+ Ignition cable? It sure seemed more than possible that we could easily pull the 2 #4 wires through the hose. 2. We had followed the instructions as closely as possible. Due to afternoon shade and an AC-power heavy dinner (toaster oven, microwave) and heavy use of the 3 DC fans in the camper (it was 93F), we brought our Battle Born batteries down to 54% after morning coffee and a toasted bagel. By utilizing the DC-DC temperature sensor, this charger is able to protect your battery from high or low temperature by giving -3mV/C/2V compensation so that the charger recognizes the voltage more accurately and assures stable and constant charging to the battery. Protect Your Starter Battery 1. How do I set the battery since there is no display screen? Since we had plans to head down to Arizona in late April 2020, I hit up Eddie Glonek of Mobile Homestead Solar Services to see if he was available to do this install for us. 18-16AWG copper cable recommended. This guy Matt at Adventurousway.com has some great info ok on with the show ! Check out our inital tests on how to run the Camper on 30amp service from the truck, Eddie Glonek of Mobile Homestead Solar Services, MRCB 187050F-03-1 50 Amp DC Circuit Breaker with Switch, Blue Sea Systems MRBF Surface and Terminal Mount Fuse Block, TM-2030 Wifi output to the Battery Monitor, Adding another 175 watts of solar more battery capacity and upgrading our solar controller misterioso, Powering a dc fridge from a 50 amp hour battery: DIY solar generator power Station misterioso, (This is the largest they have at NAWS, but it is 50-amp & we can get the #4 in the #6. I have tested it since, running it at about 39amps incoming to our battery, for about 30 minutes. 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