These six charging voltages meet the requirements of lithium batteries and lead-acid batteries in order to provide more charging options. Step 6 : pull the #4 wire through the frame channel. Posts: 8. There is possibly some extra demand and wear that this will put on your alternator, especially if used when not driving. So I chopped the alligator clips, and these wires had an impossibly small #20 wire. What is its purpose? : The theory was, wed use one long run of the #4 welding cable to run from the Trucks battery, all the way to the tail of the truck. Anybody got an idea? The Renogy DC-DC Battery Charger is multi-certified to CE, FCC, and PoHs. Brian, this is exactly what I am trying to do. Unfortunately, I was now back in Denver by this time, so having Eddie finish the job wasnt in the cards as he was still down in Arizona. So far I love it and can highly recommend. Might be similar to. Luckily Eddie had a fancy pneumatic ring crimper, perfect for this #4 wire size. Removable side covers avoid contact between product terminals and the human body during transportation and daily use, which results in electrostatic damage, ensuring product stability and safety. Renogy's 12V DC to DC On-Board Battery Charger 6 Gauge Ring Terminals Heat Shrink Split Loom Flex 201/2" Machine Screws 20 Lock Nuts Rubber Splicing Tape Vinyl Insulation Tape Crimp Tool Step-1 Inspect The Goods Straight out of the box, a quick look at the battery charger reviled a questionable burn mark on the power terminal! in Redstone, Colorado.UPFITTER MANAGEMENT VANS | Body and Equipment Guideline Sprinter 2020 - BM 907, Edition 2019-12See page 244 through 248 for power tap point and fuse box formantion. Please note the D+ Ignition Cable is not included. I also ordered another Renogy DC-DC Charger, this time directly from Renogy instead of from Amazon, just in case this would help accelerate in getting customer support going forward. Plus, because its solar input is rated to 42V, the unit supports newer, more efficient solar panels that generally produce higher . Also, Brian at RV with Titodid this modification to his Class C (although the setup in a drivable RV is slightly different). Please note the LC cable is not included. 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. These types of systems are not new, and actually quite common in drivable RVs, but I will be describing this in terms of a towable camper. Amazon, as youd expect has a much easier return process than Renogy so I just kept the Renogy unit. I verified that, even IF the DC Charger has its red DC ON wire connected to power, the unit will NOT turn on, unless it has incoming DC power. Because that ground wasnt available, the unit just wouldnt turn on. This Renogy DC-DC battery charger is compatible with traditional and smart alternators. Considering which equipment to buy I downloaded instruction manuals from various manufacturers and found Renogy was the most straightforward to understand so I bought from them an ac-dc charger, a lithium battery, the dc-dc DCC50S with a BT2 and a 1000w inverter. Renogy DC-DC Chargers support a variety . Note: Our product department found that there are some errors in the paper manual attached to the battery charger sold before March , and now the manual on the website has been updated. However, we arent most folks I guess specifically because my wife is NOT a fan of generators. Step 7: mount the breaker to the Truck compartment, and pull the new #4 wire for connection to the breaker. It has multifunctional safety technology including over-voltage protection, over-temperature protection, and reverse polarity protection to make it safer for use. Luckily Eddie had access to a fish wire, which easily passed through the channel. To change the battery type you will need to press the push button that is located on the PV+ and ALT+ side of the DCDC, then continue to press the button and the LED will display different colors with each representing a single type of battery. Check out our UPDATED DC-DC charger review and installation video:https://youtu.be/6nAFz8mF7k8Happy New Year everyone!We took time off over the winter break to spend some much appreciated time with our family. The Renogy hides the input cables and uses posts to connect the ca. 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 wire turns the unit on and off whenever it has DC positive. Is it necessary to connect? step 11-b : make the run along the frame with the garden hose (two wire #4 cable) secure with plastic anchors which are bolted into the steel frame. Instead of burning lots of #4 cable to run both a positive and negative, wed just run the positive from the battery, then use the frame as the negative return. For example, the Renogy 40A DC to DC battery charger may draw up to 60Amps whilst charging (40 amp x 1.50 (50%) = 60 amps). Now it was time to test our setup ! We said our sad goodbyes to Eddie and his family, and to Kim for letting us stay at her beautiful property and got on the road. welcome to our little blog. The LC wire can automatically adjust the charging current to prevent excessive charging current from damaging the house battery. What type of alternator is this on-board battery charger compatible with? What type of alternator is this on-board battery charger compatible with? 18-16AWG copper cable recommended. Please allow up to 1 to 2 business days for processing and 3 to 5 business days for shipping. When connected with two batteries, it is vital to be able to isolate the two start and service batteries for charging safety. . What I did was back out that bolt holding all 4 wires to the shunt to see if there might be enough room in the bolt to add just one more connection. here is a closeup of the anderson connector on the tail of the Truck (source) and the trailer side (load) the garden hose connector. I appreciate Eddie explaining ( a few times ) , the exact steps Id need to do to finish this one on my own. 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. With RJ45 communication port featured, you can unlock monitoring features exclusively using theBT-2 Bluetooth Moduleand Renogy DC Home App, control and monitor the device remotely through your phone in real time. 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. Why it does this, the lithium battery will take the full 50 amps until it reaches 14.4 volts. 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). just something to consider. Please allow up to 1 to 2 business days for processing and 3 to 5 business days for shipping. This Renogy DC-DC On-Board Battery Charger with MPPT was specially die-cast aluminum designed for efficient and ZERO dB noiseless heat dissipation. Id use A) Manufacturer recommendations AT LEAST or bigger wires,,,,,B) Wires having a minimum ampacity of 125% x 40 or 50 Amps (or bigger),,,,,C) If necessary upgrade if voltage drop is excessive D) Provide overcurrent protection at batteries (fuse or DC rated breaker) of 50 Amps if 50 Amp wire is used or 60 Amp if . Hey guys, so I've been meaning to figure out how to properly have my alternator charge my house batteries. The D+ is going to my running lights on my TT after the 7-pin connector. It's the smart way to keep yourself fully charged and off-grid longer! Check out our inital tests on how to run the Camper on 30amp service from the truck and how to recharge our batteries. 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 was puzzling to me, since it would seem that a 40amp DC charger wouldnt draw more than 40amps. In addition to the charger, and the parts listed above from Eddies list, I also purchased a Blue Sea Systems MRBF Surface and Terminal Mount Fuse Block along with a 60amp fuse to protect the wire between the Truck battery and the Breaker. Please allow up to 1 to 2 business days for processing and 3 to 5 business days for shipping. With RJ45 communication port featured, you can unlock monitoring features exclusively using the BT-2 Bluetooth Moduleand Renogy DC Home App, control and monitor the device remotely through your phone in real time. The left terminal is for a positive DC wire. Totally demoralizing after a long 6-7 hour overall project effort. May give you a start on finding it. and charging drops to 6A then back up to 46A every few seconds. We chose the 40amp charger, one because it was a little bit cheaper than the 60amp charger, but also, we wanted to play it safe with extra strain on our alternator in the case that we end up using it more than anticipated. Next up was creating a camper-side connector wire, which would run from the tail of the Truck, along the inside of the A-Frame of the trailer, and terminate inside the camper near the battery compartment, existing inverter, and the soon to be installed DC charger. The DC-DC Battery Chargers are the most effective way to charge your house batteries from the starter battery. Check out Rays video on this subject at this point of the video linke : https://youtu.be/ww_4yhQPGwY?t=643 . This is a popular option, especially for folks who might want to run an air conditioner off-grid (although youd likely need more than 2000 watt generator power). 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. If you have any questions regarding this product, pleasesubmit a case. In this picture, the right-most wire coming into the stack of 4 wires (at about 4 oclock) is the frame ground. 4. This is true of any DC-DC charger, not just Renogy. 5. Much like a Solar Controller, the DC-DC Charger needs to know your battery chemistry as well as the recommended voltage range so that it can properly charge. This diagram shows the whole connection of the DC-DC On-Board Battery Charger. 50A DC DC Board Battery Charger with MPPT Renogy 20/40/60A DC to DC Battery Charger Rover 20/30/40/60/100 Amp MPPT Charge Controller Rover Elite 20/40A MPPT Solar Charge Controller 40A Set w Holder ANL Fuse, 40 amp (40A ANL Fuse Set w/Fuse) Renogy One All-in-One Smart Panel System Energy Monitoring ; Nominal System Voltage : 12V DC : 12V DC Eddie had loads of plastic loom to encase the 2 #4 wires from the camper to the Truck, but it was decided that, when used for towing, (exposed to the elements, water, road grime, salt, tar, sun) the loom would probably deteriorate rapidly. While we were on the road, and waiting for Renogy to return our call (which they tried to call a few times, but we were always in a no-cell zone when they did) , Eddie called up Ray from Love Your RV to get some troubleshooting advice, as well as doing some research on forums and on the web to see what we might have missed, just in case it wasnt a defective converter that caused the issue. The DC-DC battery charger is capable of identifying whether the generator is started, to prevent over-discharge of the starting battery and protect the generator. step 16 : OK, so now that we knew that we were missing Trailer Frame Ground in this whole setups circuit, all we needed to do was get Trailer Frame Ground into the input side of the DC-DC Charger unit. This can be configured to do just that. 480 watts solar, more than will fit on your small compact roof. 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. 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. Required fields are marked *. For boats, the DC to DC charger will be plugged into a dockside outlet for use when the boat is in port. The Victron pair you're leaning towards is an excellent choice. If you have any questions regarding this product, please submit a case ! I ordered some more #4 welding cable, some more ring connectors, bought a good linemans cutters from Home Depot (to make a clean cut in the #4 cable), as well as ordered a manual hammer crimp tool to connect the ring connectors to the #4 wire. It also isolates the input and output to prevent voltage transmission errors and interfere with house battery charging. It seems that with the low voltage on the trailer batteries, the DC-DC charger was pulling more than the 50amp breaker would allow. Considering this when calculating cable sizes will avoid voltage drop and overheating complications. Great bit ov kit once up a running would Recomend, im running 640 watt renogy panels, 2000w Renogy inverter, Renogy Bluetooth, x2 Renogy smart lithium batteries, and dc50 mppt charge controller. The VSR also ensures reliable isolation between the starting battery and service battery, avoiding charging interference. Learn more from, 12V 40A DC to DC On-Board Battery Charger, Battery Temperature Sensor for DC to DC on-board Battery Charger, DCC30S 12V 30A Dual Input DC-DC On-Board Battery Charger with MPPT, 12V 60A DC to DC On-Board Battery Charger, 12V 200Ah Lithium Iron Phosphate Battery w/ Bluetooth, Dimensions:8.3 x 6.9 x 2.7 in / 211 x 175 x 68 mm. 18-16AWG copper cable recommended. Renogy DC-DC Chargers support a variety of battery types and, depending on the charger, it operates while driving or stationary in order to maximize your off-grid lifestyle. The DC-DC battery charger adopts the design of the DIP switch and it provides 6 charging voltage settings through five gears. High-quality DC-DC chargers are three-stage chargers. 4. This controller supports Gel, AGM, Flooded, and Lithium battery, but please make sure to set the correct battery type once it is installed. The all-in-one NEG- terminal with partition design integrates the terminals for solar panels, the array starter battery, and the house battery, avoiding misconnection and making the simple installation. We decided to try a DC-DC charger from Renogy . step 17 : So now that we knew everything was rewired and working properly, it was time to connect the DC ON wire to a 12 volt source, in our case, some running lights so that when the truck is in tow mode you could send power, if desired, to the DC Charger. 04-23-2021, 10:00 PM. This high-quality battery charger has multiple intelligent protections including battery isolation, over-voltage protection, battery temperature protection, over-current protection, overheat protection, reverse current protection, solar panel and alternator reverse polarity protection, guaranteeing charging safety and protecting your batteries. and THERE WAS ! Renogy DC to DC Battery Charger InstallRenogy 60A DC to DC Battery ChargerCompatible with a multitude of alternator types, this 60A DC to DC Battery Charger . Connecting to the A2 upfitter lug - This is where you can source up to 250 amps of power and is left open for upfitters, this is where i connected my 4 awg wire. It's the smart way to keep yourself fully charged and off-grid longer! See photo 1.2. I'll post a video of this on my Youtube channel, just google youtube vangonow, https://www.youtube.com/channel/UCqYGzyL-IjKkQRi2IDnbGIw. This will give maximum battery cell life. I put the question out to Matt of the awesome adventurousway.com, why do you need a fuse on battery and a circuit breaker both? Its a great MPPT Solar controller/DC to DC battery charger. So we did just that and changed out our 50A breaker for a 60A breaker. I am trying to see if it ok to have the 7 pin doing the trickle charge and using the DC to DC at the same time. Installing your own DC-DC Charger at home is actually incredibly simple when you follow this easy step-by-step guide! In my latest RV mod, I install a high amperage 30A 12VDC port into the bed of my 2018 Ram 3500 pickup truck. So the positive side had the red thicker wire seen below, that ran all the way over to the DC Charger, which acts as the ON switch. The DC-DC battery charger is installed between the starter battery and the house battery. Your email address will not be published. 1. While your vehicle's alternator prioritizes your starting battery, this unit will allow your solar system to charge your service battery first! DC-DC Chargers are essential components for properly charging and maintaining your second battery bank in your dual battery bank system. Links to all products Cahn uses below. renogy dc to dc battery charger 20a, 40a, 60a Victron has many versions available for 12, 24, and 48 Volts. DCC30S 12V 30A Dual Input DC-DC On-Board Battery Charger with MPPT. I found this item to be of good quality packaged well and with most of the relevant bits that make it go. Your email address will not be published. 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. Exclusively available with the BT-2 Bluetooth Module accessory and Renogy DC Home App available on the IOS and Google Play Stores, you can monitor this device remotely and simply through your phone and stay constantly updated. That is, after a few days without consistent sunshine, we have no backup method for recharging our batteries. With only 244mm in length, 145mm in height, and 1.42kg in weight, Renogy DC-DC On-Board Battery Charger is ready to be installed and adapt to any tiny narrow installation space, resolving your concern from limited room in your vehicle. They created a ticket for me and put me in the queue and told me a tech would get back ASAP. If you have any questions regarding this product, please submit a case. See photo 4.7. Renogy DC-DC On-Board Battery Charger has multiple intelligent protections includes battery isolation, over-voltage protection, battery temperature protection, over-current protection, overheat protection, reverse current protection, solar panel and alternator reverse polarity protection, guaranteeing charging safety and protecting your batteries. It also isolates the input and output to prevent voltage transmission errors and interfere with house battery charging. The charger is overheating in Scotland in Mid winter and where the charger sits its about 15c and it has plenty of air. 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). Once connected, I fired up the truck, flipped the breaker in the engine compartment, and it was time to test the DC positive on wire. The DCC50S is a bit larger than our first choice, at 9.6 inches wide, 5.7 inches deep, and 3 . 4. Our truck has a 215amp alternator, and according to Renogys Customer Service Techs, that is more than enough power to run even the 60ah DC-DC charger. I use a small fan to help it stop overheating. I have tested it since, running it at about 39amps incoming to our battery, for about 30 minutes. If you have any questions regarding this product, please, 2.65 X 1.38 X 0.55 in (67.3 X 35 X 14 mm), SBPVW (Self build panel vans with windows) on Mar 23rd 2021, 12V 20A DC to DC On-Board Battery Charger, DCC50S 12V 50A DC-DC On-Board Battery Charger with MPPT(New Version), 12V 40A DC to DC On-Board Battery Charger, 12V 60A DC to DC On-Board Battery Charger, 12V 100Ah Lithium Iron Phosphate Battery w/ Bluetooth, RBC3050D1S Fuse Installation Instructions, Monitoring Screen for DC-DC MPPT Battery Charger Series manual, Alternator Input Voltage : Traditional Alternator: 13.2-16VDC Smart Alternator (Euro 6): 12-16VDC, Operating Temperature Range : -31F~149F / -35C~65C, Dimensions : 9.6 x 5.7 x 3.0 in / 244 x145 x77 mm, Communication Port:RJ45 (RS485 Protocol), Operating Temperature Range: -4F~113F / -20C~45C, Dimension: 2.76 x 4.33 x 1.25 inch / 70 x 110 x 31.8 mm. 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