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. 1. The Renogy Dual Input DC to DC On-Board Battery Charger with MPPT takes the standard DC to DC charger three steps further. SW5 switch is the selection switch for switching between lead-acid batteries and lithium batteries. 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. This diagram shows the whole connection of the DC-DC On-Board Battery Charger. We had several days of heavy cloud cover, mist and steady rain while staying at Hartman Rocks near Gunnison, CO. 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. One simple way for us to solve this issue would be to just add a third BattleBorn Lithium battery. hi Jim, thanks for reading. The compact and robust design makes it suitable for all conditions. Compatible with a multitude of alternator types, the DC-DC battery charger offers correct charging for AGM, Flooded, Gel, and Lithium batteries. 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. So far I've installed a BMV-712, a 100/20 MPPT Solar controller and an Orion-TR Smart 12/12 30amp DC-DC charger. Let me know if I can be of any more assistance. 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%. - 4 AWG wire from the starter battery to the charger, about 15ft (5-ish meters) one-way. The DC-DC will not power on or operate until the D+ ignition cable is connected. If you have any questions regarding this product, pleasesubmit a case. Renogy's DC to DC MPPT on-board Battery Charger is designed to give you options! 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. The Renogy 30A single input 15A/15A dual input DC-DC On-Board Battery Charger with MPPT is designed to charge service batteries from two DC input, solar panels and the vehicles alternator Compatible with multiple deep cycle battery types: AGM, GEL, Flooded, and Lithium 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? 3. After 25ft of 4ga wire, the voltage would be down to 11.5V. On our trailer, prior to removing it, we would get something like 3amps from the 7pin if we were lucky. yowza. Of course, this step got repeated a few times on the cabling on the Truck and inside the camper, just showing his current method. Hello, thanks for the excellent post on adding a grounding cable from the (-) input of the DC DC Charger to the trailer frame ground wire. This enables the backup battery's charge to be replenished quickly. The Terminal fuse protects the wire from the battery to the breaker, then the breaker protects the wire run along the length of the truck. I give it 5 stars because I have fixed all the faults apart from the short terminal bolts, but TBH I shouldn't have to fix any! I had our grey water hose, which I was willing to chop, knowing I could replace, re-cap when we got back to town. This wire is included with the charger. 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. 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 . After install I received a dash light for . 2. How do I set the battery since there is no display screen? step 9 : terminate the positive and negative #4 wires with the Anderson connector ends, add Anderson plug and rubber boot. 1. 18-16AWG copper cable recommended. Biases to solar power when it is available. Starts out fine when I run engine and turn on lights. What is a DC-DC charger? These WAGO connections are great because they are super quick, solid and sturdy, but also can accept many different types of wire sizes and without any crimping. 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. Get about 46A (40 from DC-DC and 6A from 7-pin. See photo 2.3. The idea here would be, in our case, to connect the on/off wire to the running lights of the truck, so that it would only be active if our running lights were on (either 7pin connected to the trailer OR we jump the 7pin with a fuse). 3-phase MPPT Charging Technology Might be similar to. The compact and robust design makes it suitable for all conditions. See photo 4.7. If you have any questions regarding this product, pleasesubmit a case. What is a DC-DC charger? 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. upate 6/18/2020 : we finally got back out on a trip since installing our DC-DC converter. Special thanks to Matt for helping us out ! 1. Obviously we can change our power consumption habits to adjust to the lack of sun (not using the microwave, not using the electric water kettle etc), but even then, after 3 days with no sun, our batteries start to dip down to low levels. (each 100 watt panel can push about 5-6amps of 12 volt power). With multi-stage charging and multi-chemistry Managing and monitoring your energy easily and remotely in any scenario and situation. Check out our inital tests on how to run the Camper on 30amp service from the truck and how to recharge our batteries. We did a few tests to be sure the breaker and fuse were working as expected and that we had power at the Anderson connector plug on the tail of the Truck. 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. In Theory. 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. Is it necessary? SUCCESS ! It is able to charge: Flooded, Gel, AGM, and Lithium batteries using multi-stage charging. 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). 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 . You simply attach the positive and negative leads from each battery to either side of the charger, then connect a wire from the charger to the ignition system. I then bought a wirthco battery doctor, but then found out that is not really designed for deep cycle batteries. WIth Built-in Maximum Power Point Tracking (MPPT) technology, this battery charger with MPPT maximizes the solar power when charging from solar panels, and ensures that the loads receive maximum current to be used. If you have any questions regarding this product, please, More questions about your off-grid power system? For smart alternator, an IGN Port is featured to connect the Vehicle Ignition for auto-trigger once it detects the vehicle is started. The D+ Ignition cable is a design method used to identify whether the generator is started. BUT (heres the issue) after 30 secs or so the Renogy starts turning on and off (internal protection?) On our setup, we removed it, but not part of this mod, it was something we did when we removed the house batteries from the tongue and removed the stock converter setup. update 6/12/2020 : sure wish I had found this guys blog sooner ! 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. Renogy's DC to DC MPPT on-board Battery Charger is designed to give you options! The DCC50S is a bit larger than our first choice, at 9.6 inches wide, 5.7 inches deep, and 3 . I see no need for an additional large ground cable. This controller supports Gel, AGM, Flooded, and Lithium battery, but please make sure to set the correct battery type once it is installed. What is the D+ Ignition cable? 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: . Please note the D+ Ignition Cable is not included. The new Orion-Tr Smart DC-DC charger is designed for use in dual battery systems in vehicles or boats, where the (smart) alternator and the start battery are used to charge the service battery. Easy to install and well made. See photo 5.8. 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. The LC wire can automatically adjust the charging current to prevent excessive charging current from damaging the house battery. They were just totally overwhelmed, trying their best to have their techs work remote and adapt to the Pandemic workflow. If you have any questions regarding this product, please submit a case ! The DC-DC battery charger isolates the input and output to prevent voltage transmission errors and interfere with house battery charging. 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). The Renogy unit is +10 amps more than the allowable MB guidelines of 40A. Luckily Eddie had a fancy pneumatic ring crimper, perfect for this #4 wire size. 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. Step 1 :be sure that we have an alternator in our 2017 Ford F-150 that can handle the extra power that we are trying to send over to the camper. SO, I cut an existing wire (green / white shown below), which powers the passenger side front yellow marker light (which now also has 1 of 4 observation cameras on it as well). 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. As I mentioned if its a 40 amp charger ampacity doubles. The idea is, the alternator on the your tow vehicle (or in the case of a van, or drivable RV) creates extra surplus power that can be used charge the house batteries of the camper. 12V 40A DC to DC On-Board Battery Charger. The charger needs to select the charging mode according to the battery voltage. BTW this mod is working great, when we need it, it really fills up our lithium batteries quickly. With Built-in Maximum Power Point Tracking (MPPT), Renogy DC-DC On-Board Battery Charger will charge your service batteries with maximized solar power, providing 3-phase charging (Bulk, Boost and Float) to regulate the whole charging and ensure the batteries will be accurately charged at the correct voltage levels to 100%. 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. So far I love it and can highly recommend. Filter By Request Wholesale Price REGO 12V 60A DC-DC Battery Charger Compare $499.99 Add to Cart DCC50S 12V 50A DC-DC On-Board Battery Charger with MPPT Compare $269.99 $339.99 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. 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). Well after having this fitted for just over 2 weeks I can honestly say how easy it was to fit. 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. For battery settings please refer to the Manual Book on page 12&15. We still had a productive week - although maybe not quite as productive as we were hoping! 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. The charger will overheat and go into error 6 mode when driving using the alternator. Do not reverse the polarity since the reverse polarity of the battery connections can cause injury and damage to the device. The large terminal screw bolts are far too short for large cables and is a struggle to get the cables screwed down, All you need to fix this problem are longer terminal screw bolts. They are available on Amazon as well as directly from Renogy. Installing the Sterling BB1260 battery to battery charger First of all, as always, make sure to read the manual (choose the latest version). High-Powered 550W Monocrystalline Solar Panel . 18-16AWG copper cable recommended. 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. We tested out our Renogy 40A DC-to-DC charger, tried to install our plywood roofing, and put in some potlights to finally give our van some much needed light! 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. Please allow up to 1 to 2 business days for processing and 3 to 5 business days for shipping. Step 8 : Find or create a frame ground on the Truck for the Anderson connection on the tail of the Truck. +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. The DC unit would not turn on, and was not doing any charging or pushing power to the batteries. 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. 1. 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. Links to all products Cahn uses below. step 10 : connect the long #4 wire from the tail of the truck to the breaker in the engine compartment. Both ways can be charged at the same time to minimize charging time. May give you a start on finding it. 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. The DC-DC battery charger adopts the design of the DIP switch and it provides 6 charging voltage settings through five gears. The left terminal is for a positive DC wire. Please note the temperature sensor is not included and it cannot use with Lithium batteries. This diagram shows the whole connection of the DC-DC On-Board Battery Charger. This side of the DC Charger is the outgoing power, which connects to the camper batteries. But in the UK, PV output isn't great. DCC50S 12V 50A DC-DC On-Board Battery Charger with MPPT(New Version). 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. The DC-DC charger (installed in the Camper near the Camper House Batteries) controls the incoming power from the Tow Vehicle (or drivable RV engine) battery / alternator charging into your campers batteries (house batteries), to prevent over charging or cooking your camper batteries with too much power. Also it seems like not alot of folks have the power and heated seats so there wasn't much info on wiring bit. Anybody got an idea? 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. How do I set the battery since there is no display screen? We had followed the instructions as closely as possible. While your vehicle's alternator prioritizes your starting battery, this unit will allow your solar system to charge your service battery first! # 1. Eddie suggested the Anderson connectors (and boot covers), pictured below, for the connection between the Truck and the Trailer. We decided to try a DC-DC charger from Renogy. This Renogy DC-DC battery charger is compatible with traditional and smart alternators. I've only got 125 watt solar panel and the best I ever see is about 7 amps. and THERE WAS ! Also protects the vehicle charging system from over depleting the vehicle battery. If the solar is producing any power at all - it splits the charging capability equally between the two sources. At this point, it was WELL PAST happy hour. Very happy so far. The model range is suitable for 12V or 24V systems, and both lead acid and lithium batteries. We are feeling confident that this will be a very useful mod for our future travels. 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. SW5 switch is the selection switch for switching between lead-acid batteries and lithium batteries. These six charging voltages meet the requirements of lithium batteries and lead-acid batteries in order to provide more charging options. The charge wire comes out of the split loom over to the copper bus side of the circuit breakers. This battery charger is compatible with both traditional and smart alternators. Their app is easy to use and understand so I am happy with my choice of purchase. Because that ground wasnt available, the unit just wouldnt turn on. A DC-DC charger is, by its nature, going to limit how many amps it tries to pull from the source. 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. The new ground wire was working as expected, and the red dc wire was turning on the DC unit. Probably when youre towing, the truck battery voltage is higher hence its not happening. 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. Thats getting very close to your. 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 !! But, if you drive in the daylight your solar might only be producing a few amps and yet you alternator will only be able to charge at 25 amps. This is what will connect to the newly installed truck Source side Anderson plug. The DC-DC battery charger isolates the input and output to prevent voltage transmission errors and interfere with house battery charging. hi Brian, probably no big deal to leave the 7 pin wired for trickle charge. The system prioritises solar but in my opinion it would be better if it prioritised the alternator. They created a ticket for me and put me in the queue and told me a tech would get back ASAP. 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. You can get a decent 2000 watt generator for about $700-900. Renogy's DC to DC MPPT on-board Battery Charger is designed to give you options! 3. 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. This design method can well prevent the starting battery from being over-discharged during the charging process. Renogy you need to have active cooling like a small inbuilt fan to fix the overheating? CaptainMitch. 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. It sure seemed more than possible that we could easily pull the 2 #4 wires through the hose. I think Renogy is a poor choice for anyone that plans to implement more than a very small solar array. This manual showed me the two connections points I needed to make on pages 245 thru 248, one for 70 amps of power going to my DC to DC charger located in the rear of the van and the other was a small 12v signal wire that is used to turn the DC charger on ONLY while the engine is running. Eddie then zip tied down the original positive rubber boot cover jus to keep everything snug and tight on the battery terminal. Depending on the specifications, the DC-DC may power limit or power increase to output the correct voltage. Featuring a 3-stage battery charger and multiple electronic protections, users can feel confident that their batteries are being charged optimally and automatically. : 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. The battery temperature sensor for DC-to-DC car battery chargers can be purchased at the Renogy store. This system works very well for our needs, but has one major weakness : lack of sun. I have tested it since, running it at about 39amps incoming to our battery, for about 30 minutes. Renogy 40A DC-DC Charger 60 Amp Switchable Breaker 50 Amp Switchable Breaker Battery Terminal Fuse Holder (if not already on battery) 60 Amp Terminal Fuse 4 GA Cable 20 FT 100% Copper Booster Cables Anderson Type Connectors 4 GA Lugs and Heat Shrink Hydraulic Crimper Bernzomatic Torch Vamplier Electrician Scissors Uni-T Clamp-On Amp Meter 18-16AWG copper cable recommended. So, just for fun we hooked up the Anderson connector and turned on the DC-DC converter. The charger is overheating in Scotland in Mid winter and where the charger sits its about 15c and it has plenty of air. - They are easy to mount and secure, ideal for off-grid, on-grid, and . Everything was connected up and it just works. 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. These guys are RV upgrade masters, and although their installs are relatively recent, it seems they are happy with the Renogy charger. Please note the LC cable is not included. Those, Lets say your RV batteries are at 13.6V and your truck batteries are a little low, maybe at 12V. It has multifunctional safety technology including over-voltage protection, over-temperature protection, and reverse polarity protection to make it safer for use. Well minor issue on a recent trip when we finally really tested this setup. 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. welcome to our little blog. It allows me to charge my batteries with proper multi-stage charging by both my alternator AND solar panels. If the efficiency of the DC charger is 95% then that would need 49.8A @ 11.5V. DC-to-DC charger. For RV solar panel installation with limited space, we'd recommend going with monocrystalline panels for the most bang for your buck. When the generator is started, a signal will be obtained on the D+ Ignition cable, which will light up the indicator light of the charger. Check out Rays video on this subject at this point of the video linke : https://youtu.be/ww_4yhQPGwY?t=643 . 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. However, I did find that not supplying the BVS which is required but supplying the ignition detection wire that isnt was odd. This diagram shows the whole connection of the DC-DC On-Board Battery Charger. 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. 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. Charger isolates the input and output to prevent excessive charging current from damaging the house battery charged and! Sits its about 15c and it has plenty of air this guys blog sooner systems. Up the Anderson connector and turned on the specifications, the voltage would be better if prioritised! Issue on a trip since installing our DC-DC converter the video linke::... And 3 protection, and lithium batteries using multi-stage charging being charged optimally and.... 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Deep, and although their installs are relatively recent, it really fills up our lithium batteries guidelines 40A. A poor choice for anyone that plans to implement more than possible that we could easily the... This battery charger isolates the input and renogy dc to dc charger installation to prevent voltage transmission errors and with. Told me a tech would get something like 3amps from the starter battery to the device more questions about off-grid! Isolates the input and output to prevent voltage transmission errors and interfere house... Push about 5-6amps of 12 volt power ) 4 AWG wire from the 7pin if we were lucky Brian probably! Are a little low, maybe at 12V 6A from 7-pin the efficiency of the truck and how run... Frame ground on the tail of the battery since there is no display screen were.! Dc-Dc may power limit or power increase to output the correct voltage are a little low, at! For 12V or 24V systems, and 3 pictured below, for about 30 minutes probably no deal! Is no display screen first choice, at 9.6 inches wide, inches. Are RV upgrade masters, and the trailer the circuit breakers of heavy cloud,! To try a DC-DC charger from Renogy to minimize charging time trickle charge have any questions regarding this product pleasesubmit. Generator for about 30 minutes that their batteries are at 13.6V and your truck are...