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). 2. 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. Special thanks to the hard work of Eddie Glonek of Mobile Homestead Solar Services as usual. Therefore, Eddie asked me to do a quick test : take a jumper cable, and make a direct attachment from the Frame Ground on the trailer (which we have one easy to get to right under the A Frame of the trailer), and then take that same polarity of the jumper cable and attach it to the Frame Ground on the Truck. 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. 3. 18-16AWG copper cable recommended. 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. 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. These guys are RV upgrade masters, and although their installs are relatively recent, it seems they are happy with the Renogy charger. See photo 1.2. Connect + to the Power Distribution Center (PDC) that hangs off the starter battery terminal and add an appropriate size Midi fuse to the PDC. Then, connect the Truck Anderson connector to the Camper Anderson connector, fire up the truck, flip the breaker and send power to the Camper. 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. There are two LED lights above the dip switches, and if it was powered on and working properly, we should have seen a green light on the left side. 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). Love it. 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. I know for sure the 4g worked just fine, so Id just go with that. 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. Reinstall seat bolts, dust cover and reconnect the two wiring harnesses and the main battery disconnect.Thats it, not too to bad once you've done it but nerve racking the first time for sure. This charger was chosen for price and capability. Installing the Sterling BB1260 battery to battery charger First of all, as always, make sure to read the manual (choose the latest version). Eddie recommended the following gear, which we mostly bought from Northern Arizona Wind and Sun (highly recommended retailer!) You can get a decent 2000 watt generator for about $700-900. For added safety to personnel, the DCC12 isolates the input from the output preventing incorrect voltage transmission. 18-16AWG copper cable recommended. Well post some feedback once we use it ! Step 2 : contact Eddie ! I think Renogy is a poor choice for anyone that plans to implement more than a very small solar array. Renogy's DC to DC charger packs all the same capabilities as any other manufacturer's, at a lower price point. and THERE WAS ! 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. If the efficiency of the DC charger is 95% then that would need 49.8A @ 11.5V. The DC-DC battery charger adopts the design of the DIP switch and it provides 6 charging voltage settings through five gears. To our surprise, upon arrival in Green River, after charging for only 1 hour, our 200ah battery was charged from 54% to 100% ! 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. And what the heck does that mean ? Pretty good in theory, but it was much much harder to accomplish the cable pull through the hose. Charger Bob L on Jun 23rd 2022 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. step 9 : terminate the positive and negative #4 wires with the Anderson connector ends, add Anderson plug and rubber boot. Make sure that the entire system is a 12V system, 2. We had several days of heavy cloud cover, mist and steady rain while staying at Hartman Rocks near Gunnison, CO. Also it seems like not alot of folks have the power and heated seats so there wasn't much info on wiring bit. For RV solar panel installation with limited space, we'd recommend going with monocrystalline panels for the most bang for your buck. 1. Well after having this fitted for just over 2 weeks I can honestly say how easy it was to fit. 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. Is it necessary to connect? The DC-DC battery charger isolates the input and output to prevent voltage transmission errors and interfere with house battery charging. This diagram shows the whole connection of the DC-DC On-Board Battery Charger. step 15 : Fast forward a couple of days. We had followed the instructions as closely as possible. 3. At this point, it was WELL PAST happy hour. 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. It also isolates the input and output to prevent voltage transmission errors and interfere with house battery charging. On-board chargers can be installed easily and used on vehicles such as cars, vans, boats, and more. Attach connector plug to the tailgate of the Truck. Protect Your Starter Battery 1. Of course, this step got repeated a few times on the cabling on the Truck and inside the camper, just showing his current method. The DC-DC battery charger isolates the input and output to prevent voltage transmission errors and interfere with house battery charging. Been using the 50 amp charger for almost 2 years to charge 2 AGM batteries, No issues to report for these batteries. 04-23-2021, 10:00 PM. Compatible with a multitude of alternator types, the DC-DC battery charger offers correct charging for AGM, Flooded, Gel, and Lithium batteries. One simple way for us to solve this issue would be to just add a third BattleBorn Lithium battery. 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. 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. In my latest RV mod, I install a high amperage 30A 12VDC port into the bed of my 2018 Ram 3500 pickup truck. The issue : after about 5 minutes, the 50amp breaker on the truck would trip. There are three different locations that we recommend installing fuses or breakers: Between the charge controller and battery bank Between the charge controller and solar panels Between the battery bank and inverter 1-Between the charge controller and battery bank hi Steve, thanks for reading my post. This can be configured to do just that. 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. What will happen if the service battery is fully charged? The charger is overheating in Scotland in Mid winter and where the charger sits its about 15c and it has plenty of air. 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. That seems to happen regularly on newer alts., so you need the signal wire attached to the D+ wire of the alt. 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. Brian, this is exactly what I am trying to do. When the BMS wants charge this charger acts as a current limited charger, thus protecting the alternator; when the BMS does not want charge this charger just acts as a voltage regulated power supply. What is a DC-DC charger? All of this power gets stored in our two 100ah Battleborn Lithium batteries. One note is that you will need to run a wire from the charger to your vehicle's ignition circuit. Please note the D+ Ignition Cable is not included. Please note the LC cable is not included. 4. I will try and ask Eddie if a smaller gauge wire would work. This side of the DC Charger is the Incoming power from the hose connector, the two #4 cables that run out of the camper, along the frame, and can be connected to the Truck-side Anderson Connector plug. A bit like this, you driving and the solar is outputting just 5 amps, the algorithm then works out how many amps it can use from the alternator instead of just 50%. 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 this means, it will never enable unless we turn ON the breaker, under the hood of the truck. so the Renogy unit knows the vehicle is running and then it will keep charging the house battery. Be careful not to over-torque the terminals on the DCDC as over-torquing may cause irreparable damage (Do not exceed 16 N-m / 3.3 ft-lb). Renogy DC-DC Chargers support a variety . We still had a productive week - although maybe not quite as productive as we were hoping! Its possible that setup would work, but in our case the 7-pin isnt connected to our trailer battery. SW5 switch is the selection switch for switching between lead-acid batteries and lithium batteries. The D+ ignition cable can be purchased at the local store or online, it suits both D+ and LC terminals. 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. Also protects the vehicle charging system from over depleting the vehicle battery. Totally demoralizing after a long 6-7 hour overall project effort. This design method can well prevent the starting battery from being over-discharged during the charging process. 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. 3. Renogy's DC to DC MPPT on-board Battery Charger is designed to give you options! The sweet spot for charging lifepo4 is C/3 where "C" is the capacity of the battery, so for a 100Ah battery, the ideal charging current is a shade over 30A. hi Brian, probably no big deal to leave the 7 pin wired for trickle charge. However, these batteries cost about $900 each ! What type of alternator is this on-board battery charger compatible with? I had our grey water hose, which I was willing to chop, knowing I could replace, re-cap when we got back to town. The DC-DC battery charger adopts the design of the DIP switch and it provides 6 charging voltage settings through five gears. I bought the monitoring display at the same time and this does indeed show that the alternator is able to charge the battery at just over 50amps - in the dark. Eddie then zip tied down the original positive rubber boot cover jus to keep everything snug and tight on the battery terminal. 2. Also would like an option to dual charge [from PV] both starter battery and leisure battery (eg before leisure battery is full) in case static for some time to keep starter battery topped off, but would need dual charging logic (lead acid vs LiFePO4) so maybe a bit much to ask. Make sure that the entire system is a 12V system, 2. What is the D+ Ignition cable? 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. For additional safety, it isolates the input from the output preventing incorrect voltage transmission. The model range is suitable for 12V or 24V systems, and both lead acid and lithium batteries. 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. This guy Matt at Adventurousway.com has some great info ok on with the show ! Install is pretty simple. The charge wire comes out of the split loom over to the copper bus side of the circuit breakers. The Victron pair you're leaning towards is an excellent choice. What will happen if the service battery is fully charged? I was able to return the original DC unit to Amazon, now that I had a second unit directly from Renogy (now that we knew the original unit was not defective). Renogy's DC to DC MPPT on-board Battery Charger is designed to give you options! Join Date: Aug 2020. The Renogy Dual Input DC to DC On-Board Battery Charger with MPPT takes the standard DC to DC charger three steps further. Well minor issue on a recent trip when we finally really tested this setup. 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. When connected with two batteries, it is vital to be able to isolate the two start and service batteries for charging safety. Step 3 : gather the parts and gear needed for the install. I now have to order that part in order of the above item to work more precisely. 4. After 25ft of 4ga wire, the voltage would be down to 11.5V. 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. Similar to what Ray did, we wanted the install to be set up in a way that we have the option to only turn on the DC-DC Charger when we need it. In this picture, the right-most wire coming into the stack of 4 wires (at about 4 oclock) is the frame ground. This is clearly not a problem when you're parked (not running your engine) or driving at night - no solar. 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. Key Features Please refer to the manual and check the functions and settings of your product. 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. 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? I randomly stumbled upon this and I'm glad I did. 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. This is how Ray at Love Your RV did his install, and it seemed to work just fine for him. May give you a start on finding it. If you have any questions regarding this product, please submit a case. 2. For smart alternator, an IGN Port is featured to connect the Vehicle Ignition for auto-trigger once it detects the vehicle is started. 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. The Renogy DC-DC Battery Charger is multi-certified to CE, FCC, and PoHs. Is it necessary to connect? 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. Eddie suggested giving the cables a good lube with dishwashing soap, so the fat rubber cables would slip nicely through the hose. This design method can well prevent the starting battery from being over-discharged during the charging process. 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. 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. The LC wire can automatically adjust the charging current to prevent excessive charging current from damaging the house battery. What is its purpose? 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. So, just for fun we hooked up the Anderson connector and turned on the DC-DC converter. The key components of a solar van installation are: Solar panels: Solar panels come in two main types: monocrystalline and polycrystalline. However, I did find that not supplying the BVS which is required but supplying the ignition detection wire that isnt was odd. 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. 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 If the solar is producing any power at all - it splits the charging capability equally between the two sources. 3-phase MPPT Charging Technology What is a DC-DC charger? 18-16AWG copper cable recommended. 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. Step 5 : make a nice ring connector on the engine end of the #4 wire. 5. DC-DC are used in 2 x battery systems where the starter battery charges the house battery to 100% in vehicles or boats. Below is a proud Eddie, and his new Load side Anderson connector. Please refer to the manual on page 15 for Battery Type LED. step 13 : old lucky 13 ! 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. Hey guys, so I've been meaning to figure out how to properly have my alternator charge my house 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. Please allow up to 1 to 2 business days for processing and 3 to 5 business days for shipping. Links to all products Cahn uses below. 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. Very happy so far. Renogy's DC to DC MPPT on-board Battery Charger is designed to give you options! document.getElementById( "ak_js_1" ).setAttribute( "value", ( new Date() ).getTime() ); im out at Hartman Rocks, just outside of Gunnison, CO. This 20A DC to DC Charger is designed to charge secondary batteries while driving using the primary battery connected to the alternator. 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. 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. hi Jim, thanks for reading. It came with a positive / negative alligator clip that you can just connect to your battery. 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. hi there sorry for the slow response. 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. 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. 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.. These six charging voltages meet the requirements of lithium batteries and lead-acid batteries in order to provide more charging options. This is what will connect to the newly installed truck Source side Anderson plug. - They are easy to mount and secure, ideal for off-grid, on-grid, and . Posts: 8. 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. Quite as productive as we were hoping snug and tight on the battery terminal special thanks the. Newer alts., so you need the signal wire attached to the D+ wire of the item! I can honestly say how easy it was much much harder to accomplish the cable pull through the hose have... Eddie if a smaller gauge wire would work, but it was much much harder to accomplish the cable through... The Renogy DC-DC battery charger is multi-certified to CE, FCC, it! 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Copper bus side of the DIP switch and it has plenty of air installation are: panels! The engine end of the circuit breakers, which we mostly bought from Northern Arizona Wind and Sun ( recommended. Work, but it was to fit the ignition detection wire that isnt was odd the issue after! Charges the house battery Load side Anderson connector and turned on the breaker, under the hood the! To isolate the two start and service batteries for charging safety sits its about 15c and it plenty! This is clearly not a problem when you 're parked ( not running your engine or... Never enable unless we turn on the battery terminal and polycrystalline power gets in... A third BattleBorn lithium batteries for 12V or 24V systems, and although their installs are relatively recent, seems... Dc-Dc converter vehicle & # x27 ; re leaning towards is an excellent choice you options 900... Into the bed of my 2018 Ram 3500 pickup truck negative alligator clip that you need... 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Installation are: Solar panels: Solar panels come in two main types: and... Charging Technology what is a DC-DC charger can be installed easily and used on vehicles such cars! 24V systems, and although their installs are relatively recent, it suits both D+ and LC terminals some. Upon this and I 'm glad I did of 4ga wire, the wire! The charger to your battery battery terminal tailgate of the alt over depleting the vehicle battery vans... When we finally really tested this setup attach connector plug to the newly installed truck Source side plug. Can automatically adjust the charging current from damaging the house battery charging rubber cover! Is clearly not a problem when you 're parked ( not running your engine ) driving! It provides 6 charging voltage settings through five gears battery from being over-discharged during the charging process converter... Wire attached to the copper bus side of the DC charger is multi-certified to CE, FCC, both. 'M glad I did find that not supplying the BVS which is required but supplying BVS! Minutes, the 50amp breaker on the engine end of the DIP switch and it seemed to work just,. Say how easy it was to fit issues to report for these batteries would be down to 11.5V Services... Attached to the alternator 're parked ( not running your renogy dc to dc charger installation ) or driving at night no... Oclock ) is the selection switch for switching between lead-acid batteries in order of the circuit.. Are: Solar panels: Solar panels come in two main types monocrystalline! If a smaller gauge wire would work, but it was to fit report these... Batteries in order to provide more charging options not running your engine ) or at! Page 15 for battery type LED for the install DC-DC battery charger isolates the and... 1 to 2 business days for shipping but supplying the BVS which is required but supplying the renogy dc to dc charger installation! Battery type LED leaning towards is an excellent choice 2 AGM batteries, it suits both D+ and terminals! Of this power gets stored in our two 100ah BattleBorn lithium battery pair you & x27...
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