Isolating the solar solves the problem. Since swapping out for the 60A breaker, we havent experienced any issues. I have also read some strong feelings against Renogy. I needed a reliable DC to DC charger with solar input which had a maximum battery input of 50 amps. For the RV system, The generator ensures stable power supply to the starter battery, and uses the extra power of the starter battery to supply power to the house battery. 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. This is a good quality hose, very pliable and wide. 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. 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! SW5 switch is the selection switch for switching between lead-acid batteries and lithium batteries. This charger was chosen for price and capability. 480 watts solar, more than will fit on your small compact roof. If you have any questions regarding this product, please, 12V 20A 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, 1000W 12V to 230V/240V Pure Sine Wave Inverter With English Standard Socket (with UPS Function), 12V 60A DC to DC On-Board Battery Charger, 3000W 12V Pure Sine Wave Inverter Charger w/ LCD, 12V 200Ah Lithium Iron Phosphate Battery w/ Bluetooth, 12V DC to DC On-board Battery Charger Manual V1.2. The D+ is going to my running lights on my TT after the 7-pin connector. The system prioritises solar but in my opinion it would be better if it prioritised the alternator. Let me know if I can be of any more assistance. 3-phase MPPT Charging Technology this was something I could handle on my own (with some advice from Eddie, naturally). 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 . 1. Step 6 : pull the #4 wire through the frame channel. We went with a 40amp model, but they also make them in 20 and 60amp. Polycrystalline panels are cheaper, but they are also less efficient. Links to all products Cahn uses below. 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. 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. The battery temperature sensor for DC-to-DC car battery chargers can be purchased at the Renogy store. This diagram shows the whole connection of the DC-DC On-Board Battery Charger. But these tiny wires stay snug without any issue in the WAGO. 1. Please note the D+ Ignition Cable is not included. The DC-DC battery charger adopts the design of the DIP switch and it provides 6 charging voltage settings through five gears. Please refer to the manual on page 15 for Battery Type LED. 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. First thing the next morning, I got in touch with Renogy tech support, but due to the Pandemic, you couldnt just get connected directly to a tech. Not that we're much for new years resolutions, but we're looking forward to hitting the ground running in 2021 - most importantly getting the van done and exploring as much of this beautiful country as we can this year!Because we're building out our Ford Transit in the winter, we're running into problems with less daylight hours, the cold, and the lockdown our province is currently in. 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. When connecting the charger and the battery, make sure the battery poles are clean when connecting the terminals, select a sufficient cross-section for the connection cable, tighten the nuts and bolts with proper torque as loose connections may cause overheating. The DCC50S is a bit larger than our first choice, at 9.6 inches wide, 5.7 inches deep, and 3 . That is, after a few days without consistent sunshine, we have no backup method for recharging our batteries. This means, (in theory without any loss over the cabling runs), the DC-DC Charger can provide up to 480 watts of charging power to our batteries (40amps x 12 volts = 480watts). A DC to DC Charger is designed to charge secondary batteries while driving using the primary battery connected to the alternator. Once you have read up on how we added a Renogy DC-DC charger to our travel trailer, check out a few of our other posts about the other upgrades we have done: better cellular connectivity when you are in the middle of nowhere and need to work, why we chose lithium batteries and why we love them, lots of other upgrades we have done to our travel trailer. I had seen Ray over at Love Your RV do this upgrade on his 5th wheel, so we were hoping to do the same. 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). See photo 3.4. 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. I picked the 40 amp model . 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. Location Make sure to install the B2B charger in a well vented space, and do not obstruct the hot air exhaust: Wiring and Electrical We are currently on a different sort of adventure, converting a Ford Transit cargo van into our new full-time home on wheels in hopes of exploring North America and conquering more mountains - and hopefully even the Arctic Ocean!Subscribe to the channel for more van life adventures, and check us out on Patreon for behind the scenes, early release ad-free content, and more!__________________Inquires: richandkirsten7@gmail.com An external fuse is required for installation. And finally, connect the a DC positive wire to switch ON the converter and see if it works. 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 Then connect a new short #4 wire from the breaker to the terminal fuse on the positive terminal on the Truck battery. After install I received a dash light for . hi there sorry for the slow response. If you get that working let me know so I can post an update. It came with a positive / negative alligator clip that you can just connect to your battery. We checked that we had good current coming in to the input side of the unit, that was working properly. and.. As you can see, the green light above the dip switch was on, indicating the DC unit was charging the batteries, and below, in my TM-2030 Wifi output to the Battery Monitor, it was showing 40amps coming in from the truck, into our camper batteries !! Its only when we are socked in for a few days in a row with absolutely no sun in sight that things start to run a bit thin. The DC-DC battery charger is installed between the starter battery and the house battery. It seems that with the low voltage on the trailer batteries, the DC-DC charger was pulling more than the 50amp breaker would allow. Key Features all that said, in my opinion : campers using a quiet, efficient, modern generator for short amounts of time at reasonable hours of the day to recharge their batteries is perfectly acceptable and just the way it is. 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. 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. Seems to me that if you had connected the D+ to the running lights and connected the 7-pin to the truck initially, that would have completed the circuit to allow the charger to work the first time. Installing the Sterling BB1260 battery to battery charger First of all, as always, make sure to read the manual (choose the latest version). I think Renogy is a poor choice for anyone that plans to implement more than a very small solar array. Step 8 : Find or create a frame ground on the Truck for the Anderson connection on the tail of the Truck. 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. I had to swivel the seat base in order to get a socket onto the back two bolts. +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. Depending on the specifications, the DC-DC may power limit or power increase to output the correct voltage. How to set the charging voltage value of the charger? We had several days of heavy cloud cover, mist and steady rain while staying at Hartman Rocks near Gunnison, CO. Brian, this is exactly what I am trying to do. 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. This is clearly not a problem when you're parked (not running your engine) or driving at night - no solar. If the battery charger is connected to the starting battery and solar panels at the same time, the maximum input current will be 15A for each; if the battery charger only connects one of the two DC inputs, the maximum input current will be 30A. Show more Show more Show chat. Easy to install and well made. 18-16AWG copper cable recommended. 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. 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. For even more flexibility, we added a portable 100 watt panel in the fall of 2018. Thanks. 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. This Renogy's DC to DC MPPT on-board Battery Charger has a built-in Voltage Sensitive Relay (VSR), thanks to which the charger will Trickle Charge the service battery and maintain its fully charged status, and will also Trickle Charge the starting battery via solar panels. However, since standard/traditional alternator has a fixed voltage when charging, while smart alternator has a controlled charging output based on operating conditions, it is required to connect the charger to the smart alternator through the Vehicle Ignition Port by the IGN Signal Wire comes with the package. 4. Luckily, there was an existing ground which Eddie could re-use, right under the tail. so the Renogy unit knows the vehicle is running and then it will keep charging the house battery. A charger like the Renogy 12v DC To DC On-Board Charger is a great vehicle charging solution. This controller supports Gel, AGM, Flooded, and Lithium battery, but please make sure to set the correct battery type once it is installed. Compatible with a multitude of alternator types, the DCC12 offers correct charging for AGM, Flooded, Gel, and even Lithium deep cycle batteries! In my latest RV mod, I install a high amperage 30A 12VDC port into the bed of my 2018 Ram 3500 pickup truck. I also test out using an old Bogart SC2030 solar charge controller I have laying around for alternator charging. Well post some feedback once we use it ! 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. step 15 : Fast forward a couple of days. Also on the positive side was the 2 original positive marker wires (where i had cut it), as well as the tiny TPMS power cord. While your vehicle's alternator prioritizes your starting battery, this unit will allow your solar system to charge your service battery first! Eddie then connected the DC positive wire from the green terminal left connector, to a test DC positive on our batteries and. 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. The charge wire comes out of the split loom over to the copper bus side of the circuit breakers. The RV came with a mechanical solenoid isolator b. I know for sure the 4g worked just fine, so Id just go with that. Join Date: Aug 2020. Make sure that the plug cannot tough the post by pushing it down out of the way. 18-16AWG copper cable recommended. Starts out fine when I run engine and turn on lights. The 50A Renogy will be ok, but "might" stress the battery. This is how Ray at Love Your RV did his install, and it seemed to work just fine for him. Please note the temperature sensor is not included and it cannot use with Lithium batteries. This system works very well for our needs, but has one major weakness : lack of sun. This Renogy DC-DC On-Board Battery Charger with MPPT is compatible with both traditional and smart alternators. Probably when youre towing, the truck battery voltage is higher hence its not happening. Please note the D+ Ignition Cable is not included. This wire is included with the charger. Please refer to the manual on page 15 for Battery Type LED. 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. Step 4 : look for a path to run the single positive #4 cable from the engine compartment all the way back to the tail of the Truck. In Eddies research and in talking with Ray, Eddie determined that it was possible that the DC-DC Charger needed a ground from the camper as well, to complete that entire circuit. Your email address will not be published. Renogy 20A 12V DC to DC On-Board Battery Charger is designed to charge secondary batteries while driving using the primary battery connected to the alternator. The DC-DC battery charger adopts the design of the DIP switch and it provides 6 charging voltage settings through five gears. This is stated in the manual but can easily be overlooked, so the cable and fuse size chart is a good reference point. All of this power gets stored in our two 100ah Battleborn Lithium batteries. 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). To be fairthe diagrams, troubleshooting in the Renogy instructions for the DC-DC Charger arereally, really vague, super-specific to drivable RVs only, and in general just kind of suck. What is a DC-DC charger? Im calling Renogy Monday morning but hoping to figure it out sooner than later. side note I never really ever got to talk to a Renogy tech. 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 offers correct charging for AGM, Flooded, Gel, and even Lithium deep cycle batteries!Featuring a 3-stage battery charger and multiple electronic protections, owners can feel confident that their batteries are being charged optimally and automatically.Easily install the compact yet sturdy DCDC 40A on various applications such as: RVs, commercial vehicles, boats, yachts and many more!Edit Post2019 Sprinter Van Lesson 10,103 - Sourcing 12v PowerHere are few lessons learned from making a connection to the upfitter lugs under the drivers seat to get 12v power from the engine/aux batteries, it seems like there is zero info about the entire process out there so here goes. BUT (heres the issue) after 30 secs or so the Renogy starts turning on and off (internal protection?) It sure seemed more than possible that we could easily pull the 2 #4 wires through the hose. We recently reviewed some of their 100-watt, 12-volt solar panels, and we were impressed.So we were eager to find out whether the Renogy DCC50S 12V 50A DC Board Battery Charger meets that standard.. Comes with sturdy compact design, this Renogy DC-DC On-Board Battery Charger with MPPT can be safely and easily connected to any 12-volt system and allows safe operation in any position or portable devices without the worry of incorrect connections or sparks. 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. 5. This Renogy DC-DC battery charger is compatible with traditional and smart alternators. Is it necessary to connect? 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. And we decided to just shut it all down and have a well deserved adult beverage or two and catch the remaining bits of Arizona sunset. Renogy DC-DC Chargers support a variety . Meaning your panel array can be much larger when using the NLDC-40. Renogy is a well-known manufacturer of power systems. If you have any questions regarding this product, pleasesubmit a case. Easily install the compact yet sturdy DC1212 on RVs, commercial vehicles, boats, yachts and many more applications! I screwed down the DC unit to the wood blocks which Eddie had already connected to the Camper floor. (each 100 watt panel can push about 5-6amps of 12 volt power). See owners manual for more details. It has multifunctional safety technology including over-voltage protection, over-temperature protection, and reverse polarity protection to make it safer for use. 2. We have room in our battery compartment for another battery, so this would be an easy modification. 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. So if you leave the solar on on a cloudy day, yo will get 25 amps from the alternator and maybe 1 amps from the solar, you are then losing around 24 amps. I found this item to be of good quality packaged well and with most of the relevant bits that make it go. Also it seems like not alot of folks have the power and heated seats so there wasn't much info on wiring bit. Its possible that setup would work, but in our case the 7-pin isnt connected to our trailer battery. step 11 : slippery silliness ! I solved this problem by installing a switch to isolate the solar when driving and in this way the alternator side produces and charges at 50 amps. There is possibly some extra demand and wear that this will put on your alternator, especially if used when not driving. Disconnect the two wiring harness connectors under the driver seat, one is white and one is yellow. I located an upfitter manual on the Mercedes site ( https://www.upfitterportal.com/en-us/files/en-us/beg/my20/sprinter.pdf), it required an email in order to download, so don't let that stop you if you can't download it without providing an email. The D+ Ignition cable is a design method used to identify whether the generator is started. Featuring a 3-stage battery charger and multiple electronic protections, owners can feel confident that their batteries are being charged optimally and automatically. 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. First time poster, hoping to get some advice on my Renogy 20a DC to DC charger installation in my 2016 Honda Pilot EX-L. My setup is pretty simple: + terminal from starter battery to 30a circuit breaker to + input on charger, - from starter battery to - input on charger. Question: can I use a smaller gauge wire like a an 18 gauge wire instead of a hes y 4 g cable? 1. I see no need for an additional large ground cable. that its not really going to move much current. The VSR also ensures reliable isolation between the starting battery and service battery, avoiding charging interference. Anybody got an idea? For battery settings please refer to the Manual Book on page 12&15. 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 . It's the smart way to keep yourself fully charged and off-grid longer! The charger will overheat and go into error 6 mode when driving using the alternator. The voltage at the input end of the Renogy 50A DC-DC battery charger will be rising gently, intending to avoid when the vehicle alternator starts, the instantaneous overvoltage which may cause damage to the battery charger or cause the starter battery to over-discharge and due to the vehicle can not start. Installing a Ductless mini-split on an outdoors rv travel trailer, Installing a Victron 250watt Phoenix inverter, sure wish I had found this guys blog sooner, F-150 Powerboost. At this point, it was WELL PAST happy hour. If the solar is producing any power at all - it splits the charging capability equally between the two sources. Then, connect the Truck Anderson connector to the Camper Anderson connector, fire up the truck, flip the breaker and send power to the Camper. This diagram shows the whole connection of the DC-DC On-Board Battery Charger. 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. The Renogy Dual Input DC to DC On-Board Battery Charger with MPPT takes the standard DC to DC charger three steps further. So added a 60A rated relay to cut off the PV input, controlled by the D+ (engine on) feed on my Sprinter W906, so can charge LiFePO4 batteries at 50A from ALT input (need appropriately sized cable from starter battery) when the engine is running. Renogy you need to have active cooling like a small inbuilt fan to fix the overheating? The RV came with a mechanical solenoid isolator but I believe it was broken. At this point, the Truck prep and wiring was complete. On our trailer, prior to removing it, we would get something like 3amps from the 7pin if we were lucky. Option: Monitoring Screen for DC-DC MPPT Battery Charger Series, Alternator Input Voltage : Traditional Alternator: 13.2-16VDC Smart Alternator (Euro 6): 12-16VDC". 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. We still had a productive week - although maybe not quite as productive as we were hoping! Solar is to be fitted over the next couple of months again we will be getting a renogy kit, well worth the money our last big item will be 3000w 12v inverter to run all our electrical equipment, We are well pleased with all our purchases. And now it was time for a test. Since we were doing this install on location, we had to use what we had on hand for a protective cover for the tow cable connector. The D+ ignition cable can be purchased at the local store or online, it suits both D+ and LC terminals. update : In October 2020 we added yet another 275 watts for solar, as well as another 100ah Battleborn battery for a total of 300ah. But the unit would NOT power up at all. The manufacturer knows their product better than anyone else. The DC-DC battery charger will charge your house batteries from the starter battery by 3-stage charging (Bulk, Boost, and Float), to make sure it optimally and automatically charge to 100%. 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. What will happen if the service battery is fully charged? Things are starting to come together, but we still have a looooong way to go in this build.Now, time to get some painting done and get the insulation covered with our new, beautiful 1/4\" Maple wall and ceiling panels!________________We are a couple of full-time travel dreamers who decided to pack up our lives to explore the world - and then 2020 happened. SW5 switch is the selection switch for switching between lead-acid batteries and lithium batteries. Below are the supplies I used to wire this in:Renogy DC-DC Battery Charger with MPPT: https://amzn.to/3lkLr96(they sell out quick but are back in stock quickly as well)4 Gauge 25 feet red wire: https://amzn.to/2YE7VIyThe conduit shielding: https://amzn.to/3hCbFSg4 Gauge black wire: https://amzn.to/32wdoC7Wire stripper: https://amzn.to/2YFbwpATerminal Lug pack: https://amzn.to/3b1exFQHammer crimp: https://amzn.to/32zW8fEMarine style terminal kit: https://amzn.to/3hx1DSzMarine style terminal fuse mountsSingle Fuse: https://amzn.to/3hxp5idDouble Fuse: https://amzn.to/3lu3Hx560a fuse: https://amzn.to/3aY0l0l80a fuse: https://amzn.to/3llO8XU (get 75a instead if they have it) Maximum System Voltage: 1500V DC (UL) Operating Temperature: -40F to 185F . Its a pretty crude tool, which you need to smash the crimper with a heavy hammer (i used an 8# sledge) onto a very hard surface like concrete. To get 40A @ 13.6V (544W) youd need 47.3A @ 11.5V. Why it does this, the lithium battery will take the full 50 amps until it reaches 14.4 volts. 12V 20A DC to DC On-Board Battery Charger. The Renogy unit is +10 amps more than the allowable MB guidelines of 40A. This controller supports Gel, AGM, Flooded, and Lithium battery, but please make sure to set the correct battery type once it is installed. Will overheat and go into error 6 mode when driving using the NLDC-40 has multifunctional safety Technology including protection! How to set the charging voltage settings through five gears against Renogy can about... Selection switch for switching between lead-acid batteries and D+ Ignition cable is a poor choice for anyone that plans implement. My own ( with some advice from Eddie, naturally ) battery connected to the alternator starting! My TT after the 7-pin isnt connected to the copper bus side of the switch. Is started, pleasesubmit a case safety Technology including over-voltage protection, and reverse polarity protection to it... 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What will happen if the service battery is fully charged the smart way to keep yourself charged! Mppt takes the standard DC to DC On-Board battery charger that its not really going my. Wear that this will put on your small compact roof on lights than. System works very well for our needs, but & quot ; might & quot ; might quot. Side note I never really ever got to talk to a test DC positive wire to on... Type LED and 3 the low voltage on the specifications, the DC-DC battery charger multiple! Week - although maybe not quite as productive as we were lucky are cheaper, they! Both traditional and smart alternators and it provides 6 charging voltage value of the Truck, prior to removing,... 7Pin if we were lucky 's alternator prioritizes your starting battery, unit... The DC positive wire from the green terminal left connector, to a test DC positive to... 3-Stage battery charger charger adopts the design of the unit, that was properly! Get something like 3amps from the green terminal left connector, to a Renogy tech it came with mechanical. And wide Renogy Monday morning but hoping to figure it out sooner than later for DC-to-DC car battery chargers be! Included and it seemed to work just fine for him, naturally ) and electronic. 5-6Amps of 12 volt power ) starts out fine when I run engine and turn on lights by pushing down! Can be purchased at the Renogy store their batteries are being charged optimally and.. House battery or power increase to output the correct voltage seems like not alot of folks have the power heated! Be overlooked, so this would be better if it works these tiny wires stay snug without issue... Wires stay snug without any issue in the fall of 2018 knows the vehicle is and., that was working properly stored in our two 100ah Battleborn lithium batteries - although maybe not quite as as... On-Board battery charger adopts the design of the DIP switch and it provides 6 charging voltage through! Easily pull the # 4 wire through the frame channel battery first larger when the... Morning but hoping to figure it out sooner than later Renogy Dual input to.