Posts: 8. Special thanks to Matt for helping us out ! If you have any questions regarding this product, pleasesubmit a case. Installing a Renogy 12V 40amp DC to DC Battery Charger on a Travel Trailer. 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. 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. 5. 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 Make sure that the entire system is a 12V system, 2. Please refer to the manual on page 15 for Battery Type LED. document.getElementById( "ak_js_1" ).setAttribute( "value", ( new Date() ).getTime() ); im out at Hartman Rocks, just outside of Gunnison, CO. 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. The DC-DC battery charger is installed between the starter battery and the house battery. 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). 3-phase MPPT Charging Technology Hey guys, so I've been meaning to figure out how to properly have my alternator charge my house batteries. - 4 AWG wire from the starter battery to the charger, about 15ft (5-ish meters) one-way. Make sure that the plug cannot tough the post by pushing it down out of the way. This Renogy DC-DC battery charger is compatible with traditional and smart alternators. But the unit would NOT power up at all. In my latest RV mod, I install a high amperage 30A 12VDC port into the bed of my 2018 Ram 3500 pickup truck. 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.. 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. At this point, the Truck prep and wiring was complete. 4. 04-23-2021, 10:00 PM. 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). Its possible that setup would work, but in our case the 7-pin isnt connected to our trailer battery. In addition to the charger, and the parts listed above from Eddies list, I also purchased a Blue Sea Systems MRBF Surface and Terminal Mount Fuse Block along with a 60amp fuse to protect the wire between the Truck battery and the Breaker. The Renogy unit is +10 amps more than the allowable MB guidelines of 40A. After flying back home, we were not ready to give up our new lifestyle yet, so we bought a minivan, converted it into a DIY minivan camper, and drove across Canada in search of beautiful campsites and stunning mountains to climb. High-Powered 550W Monocrystalline Solar Panel . 1. 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. 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. 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+). 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. 18-16AWG copper cable recommended. Just the 7 pin trailer connections. We checked that we had good current coming in to the input side of the unit, that was working properly. Please note the LC cable is not included. We had the opportunity to test our setup yesterday. The LC wire can automatically adjust the charging current to prevent excessive charging current from damaging the house battery. I went for a photon universe 200w solar panel since Renogy didnt have a comparable device available. Polycrystalline panels are cheaper, but they are also less efficient. We had several days of heavy cloud cover, mist and steady rain while staying at Hartman Rocks near Gunnison, CO. That would make a nice durable coating/covering for the 2 #4 wires. +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. Easily install the compact yet sturdy DC1212 on RVs, commercial vehicles, boats, yachts and many more applications! It has multifunctional safety technology including over-voltage protection, over-temperature protection, and reverse polarity protection to make it safer for use. 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. When the ignition turns on, it signals your charger that the alternator has engaged, which turns on the charger itself. 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. 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. While your vehicle's alternator prioritizes your starting battery, this unit will allow your solar system to charge your service battery first! Links to all products Cahn uses below. Thats getting very close to your. 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. At this point, it was WELL PAST happy hour. 3-phase MPPT Charging Technology What will happen if the service battery is fully charged? so the Renogy unit knows the vehicle is running and then it will keep charging 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. Thanks. What types of battery does the charger support? Renogy's DC to DC MPPT on-board Battery Charger is designed to give you options! Anybody got an idea? 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. The general quiet and tranquility of being out camping is part of the magic. 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. Step 2 : contact Eddie ! 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. 12V 20A DC to DC On-Board Battery Charger. I would like to see the charger use an algorithm when driving, so it measure the solar output which would gain what ever it needs from the alternator. Naturally, we needed the 40amp DC-DC charger. Since swapping out for the 60A breaker, we havent experienced any issues. 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 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 RV came with a mechanical solenoid isolator but I believe it was broken. In countries like the U where the sun is low or never out at all, you need to add a solar power cut off switch, this will fool the charger in thinking its nigh so will go from 50% 25 amps per 50 mode to 100% mode. If you have any questions, please contact us in time. side note I never really ever got to talk to a Renogy tech. 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. If the solar is producing any power at all - it splits the charging capability equally between the two sources. Biases to solar power when it is available. This Renogy DC-DC On-Board Battery Charger with MPPT was specially die-cast aluminum designed for efficient and ZERO dB noiseless heat dissipation. Brian, this is exactly what I am trying to do. Pretty good in theory, but it was much much harder to accomplish the cable pull through the hose. Install is pretty simple. 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. step 9 : terminate the positive and negative #4 wires with the Anderson connector ends, add Anderson plug and rubber boot. If Renogy added this already, or adjusted the charging algorithm to accommodate such scenario (low PV power) it would be perfect. DCC30S 12V 30A Dual Input DC-DC On-Board Battery Charger with MPPT. Gender: Male. That is, after a few days without consistent sunshine, we have no backup method for recharging our batteries. If you have any questions regarding this product, please, More questions about your off-grid power system? Now it was time to test our setup ! I randomly stumbled upon this and I'm glad I did. 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. What is a DC-DC charger? Renogy's DC to DC MPPT on-board Battery Charger is designed to give you options! It's the smart way to keep yourself fully charged and off-grid longer! This diagram shows the whole connection of the DC-DC On-Board Battery Charger. 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. In Theory. This took way longer than I had hoped, mainly because I had never used a hammer crimper before. Once connected, I fired up the truck, flipped the breaker in the engine compartment, and it was time to test the DC positive on wire. If the efficiency of the DC charger is 95% then that would need 49.8A @ 11.5V. 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