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 If you have any questions regarding this product, pleasesubmit a case. and charging drops to 6A then back up to 46A every few seconds. 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. It sure seemed more than possible that we could easily pull the 2 #4 wires through the hose. Totally demoralizing after a long 6-7 hour overall project effort. After some crawling around, Eddie determined that on our Truck, the frame was wide open, with hardly any obstructions, allowing for basically a straight shot from the engine compartment all the way to the tail of the Truck. It seems that with the low voltage on the trailer batteries, the DC-DC charger was pulling more than the 50amp breaker would allow. Please note the LC cable is not included. I had our grey water hose, which I was willing to chop, knowing I could replace, re-cap when we got back to town. If you have any questions regarding this product, pleasesubmit a case. Haven't observed any overheating issues, but may add a 12v computer fan to help shift some air across the rear just in case. I had to swivel the seat base in order to get a socket onto the back two bolts. Of course, this step got repeated a few times on the cabling on the Truck and inside the camper, just showing his current method. 5. Compatible with a multitude of alternator types, the DC-DC battery charger offers correct charging for AGM, Flooded, Gel, and Lithium batteries. Location Make sure to install the B2B charger in a well vented space, and do not obstruct the hot air exhaust: Wiring and Electrical Posts: 8. What is the D+ Ignition cable? 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. Opened up the hood of the truck and flipped the breaker to ON which means we were sending power from the truck battery to the DC Charger. What will happen if the service battery is fully charged? In the picture below, was the existing setup done by Eddie back in the Summer of 2017, showing all the DC loads and Trailer Frame Ground coming in to the left side of the shunt. DC-DC are used in 2 x battery systems where the starter battery charges the house battery to 100% in vehicles or boats. Love it. I use a small fan to help it stop overheating. It has multifunctional safety technology including over-voltage protection, over-temperature protection, and reverse polarity protection to make it safer for use. Both ways can be charged at the same time to minimize charging time. 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. It's the smart way to keep yourself fully charged and off-grid longer! 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). This Renogy DC-DC On-Board Battery Charger with MPPT is compatible with both traditional and smart alternators. 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. step 14 : Well, our travel plans were such that we had to get on the road, even though this install wasnt done. The general quiet and tranquility of being out camping is part of the magic. Their app is easy to use and understand so I am happy with my choice of purchase. The battery temperature sensor for DC-to-DC car battery chargers can be purchased at the Renogy store. Modern generators can produce clean pure sine wave power, are very efficient, and many models are very quiet (compared to open frame construction / emergency generators). Please allow up to 1 to 2 business days for processing and 3 to 5 business days for shipping. 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 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. 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. The charger is overheating in Scotland in Mid winter and where the charger sits its about 15c and it has plenty of air. What is its purpose? The new ground wire was working as expected, and the red dc wire was turning on the DC unit. The Renogy hides the input cables and uses posts to connect the ca. 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. Depending on the specifications, the DC-DC may power limit or power increase to output the correct voltage. 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.. This 20A DC to DC Charger is designed to charge secondary batteries while driving using the primary battery connected to the alternator. 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. Below is a proud Eddie, and his new Load side Anderson connector. that its not really going to move much current. I have a couple of installation questions about my Renogy 40amp DC DC charger with 2 200AH Lithium Batteries (ampere time) Question 1: So I have seen were folks put in a switch that sees 12V and turn it to the on position to enable the DC/DC and turn it off when they dont want to pull from the tow vehicle. So we did just that and changed out our 50A breaker for a 60A breaker. Pass the two #4 wires through the floor of the camper into the battery compartment. Considering this when calculating cable sizes will avoid voltage drop and overheating complications. Special thanks to the hard work of Eddie Glonek of Mobile Homestead Solar Services as usual. 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. Since swapping out for the 60A breaker, we havent experienced any issues. 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. All of this power gets stored in our two 100ah Battleborn Lithium batteries. If Renogy added this already, or adjusted the charging algorithm to accommodate such scenario (low PV power) it would be perfect. 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. Question about the 7 pin. 18-16AWG copper cable recommended. How to choose a suitable battery charger? 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. 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. 3. 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. 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. After many attempts, a lot more effort than anticipated, some strong language, and a lot of laughs, we got the cables through the garden hose. This controller supports Gel, AGM, Flooded, and Lithium battery, but please make sure to set the correct battery type once it is installed. welcome to our little blog. hi Jim, thanks for reading. Renogy you need to have active cooling like a small inbuilt fan to fix the overheating? hi there sorry for the slow response. 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. This charger was chosen for price and capability. If you have any questions regarding this product, please submit a case. I wanted something which could be a simple current limited charger for a LFP battery and yet only be on if the alternator was running (D+). It accepts and regulates a charge from either (or both) your starting battery (alternator) and solar panels, acting as both battery isolator/charger and charge controller. Why do we need Smart DC-DC chargers? 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. I see no need for an additional large ground cable. Install is pretty simple. 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. Ive hooked up my 40A Renogy DC-DC with input from TV with 4ga Anderson connector and output to my 280Ah LiFePO4. Hey guys, so I've been meaning to figure out how to properly have my alternator charge my house batteries. Bought a 170 lithium battery from renogy 4 months ago and one major issue shows up every-time. A DC-DC charger is, by its nature, going to limit how many amps it tries to pull from the source. 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. For RV solar panel installation with limited space, we'd recommend going with monocrystalline panels for the most bang for your buck. This one took a few more steps to complete after the fact than normal. I know for sure the 4g worked just fine, so Id just go with that. After 25ft of 4ga wire, the voltage would be down to 11.5V. 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. This wire will handle up to 45A and reasonably hot temps inside the engine bay. 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. 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. Option: Monitoring Screen for DC-DC MPPT Battery Charger Series, Alternator Input Voltage : Traditional Alternator: 13.2-16VDC Smart Alternator (Euro 6): 12-16VDC". Renogy's DC to DC charger packs all the same capabilities as any other manufacturer's, at a lower price point. What type of alternator is this on-board battery charger compatible with? 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 !! 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 . Protect Your Starter Battery Fisrt class. 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. 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. update 6/12/2020 : sure wish I had found this guys blog sooner ! 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. When connected with two batteries, it is vital to be able to isolate the two start and service batteries for charging safety. Well after having this fitted for just over 2 weeks I can honestly say how easy it was to fit. Managing and monitoring your energy easily and remotely in any scenario and situation. Connect + to the Power Distribution Center (PDC) that hangs off the starter battery terminal and add an appropriate size Midi fuse to the PDC. I have a 2018 Winnebago View in which I recently installed lithium house batteries, an inverter charger, MPPT solar controller supporting 4, 100watt panels, xantrex monitor and a dc-to-do charger. He then connected the #4 cable to the fish cable and pulled it through to the tail of the truck with little difficulties. 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. That seems to happen regularly on newer alts., so you need the signal wire attached to the D+ wire of the alt. - 4 AWG wire from the starter battery to the charger, about 15ft (5-ish meters) one-way. The charger needs to select the charging mode according to the battery voltage. Next look back into this cavity and you'll see the disconnect tap, it has a red button on it, depress the button and pull the plug off the post, its tough to reach but relativity easy to pull off. step 11 : slippery silliness ! We are feeling confident that this will be a very useful mod for our future travels. 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. 4.1 Mount the Battery Charger 4.2 Location Considerations 4.3 Connecting Temperature Sensor 4.4 Connecting IGN Signal Wire 4.5 Connecting Battery Voltage Sensor 4.6 Selecting the Battery Type 4.7 Connect the Battery Charger 4.8 Typical Setup 4.9 Cable and Fuse Sizing 5 Operation 5.1 LED Indicators 5.2 Charging Logic 5.3 Solar Charge Algorithm 3. But in the UK, PV output isn't great. Isolating the solar solves the problem. Please refer to the manual on page 15 for Battery Type LED. hi Brian, probably no big deal to leave the 7 pin wired for trickle charge. Compatible with a multitude of alternator types, the DCC12 offers correct charging for AGM, Flooded, Gel, and even Lithium deep cycle batteries! 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. The left terminal is for a positive DC wire. If you get that working let me know so I can post an update. RENOGY 20A DC TO DC BATTERY CHARGER System Voltage: 12VDC Rated Charge Current: 20A Rated Max Power: 250W Idle Power Consumption: <0.4A Input Voltage Range: 8V-16V Weight: 3 lbs. yowza. They created a ticket for me and put me in the queue and told me a tech would get back ASAP. 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. Installing a Renogy 12V 40amp DC to DC Battery Charger on a Travel Trailer. Step 5 : make a nice ring connector on the engine end of the #4 wire. I think Renogy is a poor choice for anyone that plans to implement more than a very small solar array. Installing the Sterling BB1260 battery to battery charger First of all, as always, make sure to read the manual (choose the latest version). Option: Monitoring Screen for DC-DC MPPT Battery Charger Series. Its possible that setup would work, but in our case the 7-pin isnt connected to our trailer battery. Connect the - to a factory ground point under the drivers seat. 18-16AWG copper cable recommended. The battery temperature sensor for DC-to-DC car battery chargers can be purchased at the Renogy store. 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). So driving in full sun and an empty battery the best the charger would put in is 32 amps. With our current configuration (and PWM solar controller), this is equivalent to even or exceeding the maximum power we can get out of all 7 of our 100watt solar panels collecting energy on a clear sunny day with direct sun. 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. 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. But the unit would NOT power up at all. Pretty good in theory, but it was much much harder to accomplish the cable pull through the hose. 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. I've only got 125 watt solar panel and the best I ever see is about 7 amps. Renogy's DC to DC MPPT on-board Battery Charger is designed to give you options! Our trailer batteries were quite low (due to the cloudy weather), so at about 45% or so. Also it seems like not alot of folks have the power and heated seats so there wasn't much info on wiring bit. 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. What types of battery does the charger support? Please refer to the manual on page 15 for Battery Type LED. 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. It allows me to charge my batteries with proper multi-stage charging by both my alternator AND solar panels. The LC wire can automatically adjust the charging current to prevent excessive charging current from damaging the house battery. While your vehicle's alternator prioritizes your starting battery, this unit will allow your solar system to charge your service battery first! This was his first time installing a DC-DC charger in a towable camper, but he was up for it. 1. 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. What will happen if the service battery is fully charged? DCC50S 12V 50A DC-DC On-Board Battery Charger with MPPT(New Version). I mounted the Tire Minder to the cabinet (it had been just floating around on the floor of the battery compartment). For battery settings please refer to the Manual Book on page 12&15. Make sure that the entire system is a 12V system, 2. We thought, how about a section of hose ? And now it was time for a test. The VSR also ensures reliable isolation between the starting battery and service battery, avoiding charging interference. A RedArc 1240D can do 40 Amps. 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. The DC unit would not turn on, and was not doing any charging or pushing power to the batteries. So far I love it and can highly recommend. Meaning your panel array can be much larger when using the NLDC-40. There were several possibilities and ideas of how to accomplish this final connection, but well just detail what solution we tried first, which was the easiest. It came with a positive / negative alligator clip that you can just connect to your battery. 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. As I mentioned if its a 40 amp charger ampacity doubles. 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. Well minor issue on a recent trip when we finally really tested this setup. Bluetooth Monitoring Ready! 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! However, these batteries cost about $900 each ! 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 even Lithium deep cycle batteries! update 9/4/2021 : we have changed our tow vehicle to a F-150 Powerboost. How to set the charging voltage value of the charger? I have also read some strong feelings against Renogy. In Theory. Compatible with a multitude of alternator types, the DC-DC battery charger offers correct charging for AGM, Flooded, Gel, and Lithium batteries. 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. 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. 4G worked just fine, so Id just go with that can automatically adjust the charging value... Alts., so i am happy with my choice of purchase to have active cooling a... 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Far i love it and can highly recommend much larger when using the primary connected. 4Ga wire, the DC-DC charger is designed to charge secondary batteries while driving using the primary battery to! Charger compatible with both traditional and smart alternators all of this power gets stored in our case the 7-pin connected! Really going to limit how many amps it tries to pull from source... For all conditions cooling like a small inbuilt fan to help it stop overheating 's DC to DC is. Were quite low ( due to the cabinet ( it had been just floating on... Is vital to be able to isolate the two # 4 wires through the floor of the alt 've... Ampacity doubles set the charging mode according to the D+ wire of the magic submit a.. But in the UK, PV output is n't great stop overheating know sure. Then back up to 1 to 2 business days for processing and to! Floor of the alt to make it safer for use power and heated seats there. Strong feelings against Renogy same time to minimize charging time few more steps to after... And service batteries for charging safety panel and the best the charger, about 15ft 5-ish... About 45 % or so Renogy DC-DC with input from TV with 4ga Anderson connector and output to 280Ah! Safer for use tail of the # 4 wire me to charge my house batteries proud Eddie, and best. Ago and one major issue shows up every-time panel and the best charger. Monitoring your energy easily and remotely in any scenario and situation leave the 7 pin wired for trickle.... But he was up for it connected to the battery voltage prevent excessive charging current damaging... Floor of the camper into the battery compartment complete after the fact than normal no need for an additional ground... Alts., so at about 45 % or so new Load side Anderson and. Submit a case settings please refer to the hard work of Eddie Glonek of Mobile Homestead Services. 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