Because that ground wasnt available, the unit just wouldnt turn on. 18-16AWG copper cable recommended. SUCCESS ! 50A DC DC Board Battery Charger with MPPT Renogy 20/40/60A DC to DC Battery Charger Rover 20/30/40/60/100 Amp MPPT Charge Controller Rover Elite 20/40A MPPT Solar Charge Controller 40A Set w Holder ANL Fuse, 40 amp (40A ANL Fuse Set w/Fuse) Renogy One All-in-One Smart Panel System Energy Monitoring ; Nominal System Voltage : 12V DC : 12V DC 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. 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. Also protects the vehicle charging system from over depleting the vehicle battery. I appreciate Eddie explaining ( a few times ) , the exact steps Id need to do to finish this one on my own. Here is a great and very detailed post about doing exactly what we are trying to accomplish below. Their app is easy to use and understand so I am happy with my choice of purchase. Installing a Renogy 12V 40amp DC to DC Battery Charger on a Travel Trailer. So we did just that and changed out our 50A breaker for a 60A breaker. 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 Special thanks to Matt for helping us out ! 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. She had one priority in regards to energy usage when we were starting our camper journey, which was, above all, she would prefer to not be reliant on using a generator, ever if possible. The DC-DC battery charger adopts the design of the DIP switch and it provides 6 charging voltage settings through five gears. If you have any questions regarding this product, please submit a case ! I have also read some strong feelings against Renogy. This charger was chosen for price and capability. For even more flexibility, we added a portable 100 watt panel in the fall of 2018. Please allow up to 1 to 2 business days for processing and 3 to 5 business days for shipping. 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. To our surprise, upon arrival in Green River, after charging for only 1 hour, our 200ah battery was charged from 54% to 100% ! UPDATE Feb 27th, 2020 - I decided to buy myself a Renogy DC-DC charger meant for the task. step 12 : install the DC charger in the camper and connect the converter to the load connector as well as connect the DC charger to the batteries. We went with a 40amp model, but they also make them in 20 and 60amp. Did you leave the charging cable on the 7 pin wired up or did you remove it? 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. When connecting the charger and the battery, make sure the battery poles are clean when connecting the terminals, select a sufficient cross-section for the connection cable, tighten the nuts and bolts with proper torque as loose connections may cause overheating. welcome to our little blog. Maximum System Voltage: 1500V DC (UL) Operating Temperature: -40F to 185F . What will happen if the service battery is fully charged? What types of battery does the charger support? I now have to order that part in order of the above item to work more precisely. Brian, this is exactly what I am trying to do. Please allow up to 1 to 2 business days for processing and 3 to 5 business days for shipping. 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). Meaning your panel array can be much larger when using the NLDC-40. The Renogy DC-DC Battery Charger is multi-certified to CE, FCC, and PoHs. The DC unit would not turn on, and was not doing any charging or pushing power to the batteries. Pass the two #4 wires through the floor of the camper into the battery compartment. So, we really dont need more battery capacity just an alternate backup system to recharge the batteries when there is no sun for the solar setup OR there was to be some sort of problem with our solar setup (such as a malfunctioning solar controller, etc.). This enables the backup battery's charge to be replenished quickly. Following that install, weadded another 200 watts in april 2018. Once disconnected push the cables back through the underside of the seat and then tuck the wire down into the base of the seat so you can remove the seat without pulling on these wires. Easily install the compact yet sturdy DC-DC battery charger on RV's, commercial vehicles, boats, yachts, and many more applications! 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. 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. 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). For RV solar panel installation with limited space, we'd recommend going with monocrystalline panels for the most bang for your buck. 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 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. I am experiencing the same problem for my 2.0 amp Renogy charger no green light. 1. The smart edition is able to be connected to your phone through Bluetooth so you can manually program it. 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! The system prioritises solar but in my opinion it would be better if it prioritised the alternator. Renogy DC-DC On-Board Battery Charger has multiple intelligent protections includes 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. Renogy you need to have active cooling like a small inbuilt fan to fix the overheating? Ive tried connecting the D+ directly to TT battery but same thing. This controller supports Gel, AGM, Flooded, and Lithium battery, but please make sure to set the correct battery type once it is installed. Just adding another 100ah battery would probably be enough to get us through an extra one to three additional days of no solar. If the Alt. 1. The Renogy also offers trickle charge to the starter battery from the solar if it is required, while the Redarc does not. Solar is to be fitted over the next couple of months again we will be getting a renogy kit, well worth the money our last big item will be 3000w 12v inverter to run all our electrical equipment, We are well pleased with all our purchases. Gender: Male. 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. 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. 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. 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. 18-16AWG copper cable recommended. This design method can well prevent the starting battery from being over-discharged during the charging process. In fact, for the majority of folks, camping with a small generator for recharging a battery bank makes good sense and is a solid investment. The DC-DC battery charger is installed between the starter battery and the house battery. This Renogy DC-DC battery charger is compatible with traditional and smart alternators. Brilliant charger, easy to connect up so long as you use a ground bus bar, but disappointed by the poor instructions regarding the smart alternator, & that there's no temperature adjustment if you have a lithium battery connected (even a Renogy one). Renogy DC-DC Chargers support a variety . update 6/12/2020 : sure wish I had found this guys blog sooner ! 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. Its possible that setup would work, but in our case the 7-pin isnt connected to our trailer battery. What is its purpose? 1. The Renogy is $130 less. The D+ is going to my running lights on my TT after the 7-pin connector. 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. This can be configured to do just that. Plus, because its solar input is rated to 42V, the unit supports newer, more efficient solar panels that generally produce higher . 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. 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. Check out our inital tests on how to run the Camper on 30amp service from the truck, Eddie Glonek of Mobile Homestead Solar Services, MRCB 187050F-03-1 50 Amp DC Circuit Breaker with Switch, Blue Sea Systems MRBF Surface and Terminal Mount Fuse Block, TM-2030 Wifi output to the Battery Monitor, Adding another 175 watts of solar more battery capacity and upgrading our solar controller misterioso, Powering a dc fridge from a 50 amp hour battery: DIY solar generator power Station misterioso, (This is the largest they have at NAWS, but it is 50-amp & we can get the #4 in the #6. 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. So I chopped the alligator clips, and these wires had an impossibly small #20 wire. Make sure that the entire system is a 12V system, 2. And what the heck does that mean ? 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. 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. Step 5 : make a nice ring connector on the engine end of the #4 wire. Below are the supplies I used to wire this in:Renogy DC-DC Battery Charger with MPPT: https://amzn.to/3lkLr96(they sell out quick but are back in stock quickly as well)4 Gauge 25 feet red wire: https://amzn.to/2YE7VIyThe conduit shielding: https://amzn.to/3hCbFSg4 Gauge black wire: https://amzn.to/32wdoC7Wire stripper: https://amzn.to/2YFbwpATerminal Lug pack: https://amzn.to/3b1exFQHammer crimp: https://amzn.to/32zW8fEMarine style terminal kit: https://amzn.to/3hx1DSzMarine style terminal fuse mountsSingle Fuse: https://amzn.to/3hxp5idDouble Fuse: https://amzn.to/3lu3Hx560a fuse: https://amzn.to/3aY0l0l80a fuse: https://amzn.to/3llO8XU (get 75a instead if they have it) Renogy's DC to DC MPPT on-board Battery Charger is designed to give you options! Well post some feedback once we use it ! It also isolates the input and output to prevent voltage transmission errors and interfere with house battery charging. As a bonus it can be reduced to half power if full output is not required (like for example the first few minutes after engine start with a timer relay). update 9/4/2021 : we have changed our tow vehicle to a F-150 Powerboost. 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). While your vehicle's alternator prioritizes your starting battery, this unit will allow your solar system to charge your service battery first! I think Renogy is a poor choice for anyone that plans to implement more than a very small solar array. See photo 2.3. 2. The charger needs to select the charging mode according to the battery voltage. 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. We decided to try a DC-DC charger from Renogy . DC-to-DC charger. Let me know if I can be of any more assistance. 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. They take the voltage and current of the input and transform it to a usable voltage/current for the output. 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. Renogy DC to DC Charger Install and Review Foresty Forest 347K subscribers Subscribe 6.6K Share 138K views 3 years ago Note about wire sizing: I discovered the wires between the starter. This implies that various levels are employed while the battery charges. Special thanks to the hard work of Eddie Glonek of Mobile Homestead Solar Services as usual. This wire turns the unit on and off whenever it has DC positive. output voltage drops to low, around 12.5 volts, the Renogy unit will stop charging the "house" battery. 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. This battery charger is compatible with both traditional and smart alternators. 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: . When connecting the charger and the battery, make sure the battery poles are clean when connecting the terminals, select a sufficient cross-section for the connection cable, tighten the nuts and bolts with proper torque as loose connections may cause overheating. The red dip switched needed to be set for lithium, and in our case, that was : The phone jack , black plug is for temperature regulation (not needed for our Lithium setup), the Green terminal connector, is actually the ONLY on/off switch on this unit. 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 The issue : after about 5 minutes, the 50amp breaker on the truck would trip. 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. Just the 7 pin trailer connections. 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? Connecting to the DC+ lug for a light power source that is only powered when the engine is running. We havent yet tested this new modification in the real world but looking forward to our next trip and trying it out. Please refer to the manual and check the functions and settings of your product. 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%. Amazon, as youd expect has a much easier return process than Renogy so I just kept the Renogy unit. This was puzzling to me, since it would seem that a 40amp DC charger wouldnt draw more than 40amps. 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. 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. With up to 99% MPPT tracking efficiency and 94% convert efficiency, the charger can fully charge a 1kWh battery within 2 hrs with solar energy. The manufacturer knows their product better than anyone else. this was something I could handle on my own (with some advice from Eddie, naturally). In my latest RV mod, I install a high amperage 30A 12VDC port into the bed of my 2018 Ram 3500 pickup truck. Depending on the specifications, the DC-DC may power limit or power increase to output the correct voltage. These six charging voltages meet the requirements of lithium batteries and lead-acid batteries in order to provide more charging options. Question: can I use a smaller gauge wire like a an 18 gauge wire instead of a hes y 4 g cable? We had followed the instructions as closely as possible. 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. - 4 AWG wire from the starter battery to the charger, about 15ft (5-ish meters) one-way. 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. fantastic item chargers leisure batteries and the starting battery also i have the blue tooth module to view the status, wish id bought this at the beginning of my build ,its excellent ,chargers leisure batteries and then the starter battery ,its also worth getting the BT module so you can see the specs while charging via solar, excellent item does flow back to starting battery when leisure batteries full , easy to fit and understand instructions , doesnt come with a bt module i suggest you order one , ideal to plug solar into as this does it all. As I mentioned if its a 40 amp charger ampacity doubles. I randomly stumbled upon this and I'm glad I did. Its a great MPPT Solar controller/DC to DC battery charger. 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). Disconnect the main battery - This wasn't so easy, there is a small (5\" x 5\") plastic cover to the right of the accelerator pedal, pull it from the top and then pull up hard, its not easy bu t it comes off. CE certification. This Renogy's DC to DC MPPT on-board Battery Charger has a built-in Voltage Sensitive Relay (VSR), thanks to which the charger will Trickle Charge the service battery and maintain its fully charged status, and will also Trickle Charge the starting battery via solar panels. Join Date: Aug 2020. This side of the DC Charger is the outgoing power, which connects to the camper batteries. Please note the D+ Ignition Cable is not included. SW5 switch is the selection switch for switching between lead-acid batteries and lithium batteries. This 20A DC to DC Charger is designed to charge secondary batteries while driving using the primary battery connected to the alternator. Probably when youre towing, the truck battery voltage is higher hence its not happening. It also isolates the input and output to prevent voltage transmission errors and interfere with house battery charging. 04-23-2021, 10:00 PM. 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. step 13 : old lucky 13 ! Everything was connected up and it just works. 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. See owners manual for more details. Please note the D+ Ignition Cable is not included. upate 6/18/2020 : we finally got back out on a trip since installing our DC-DC converter. 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. These guys are RV upgrade masters, and although their installs are relatively recent, it seems they are happy with the Renogy charger. High-Powered 550W Monocrystalline Solar Panel . Please note the LC cable is not included. At this point, it was WELL PAST happy hour. However, I did find that not supplying the BVS which is required but supplying the ignition detection wire that isnt was odd. 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. Renogy DCC50S 12V 50A DC Board Battery Charger. We were headed from Green River to Moab, UT which is about a 1 hr drive. Offers Over-voltage Protection, Over-temperature Protection, and Reverse Polarity Protection to ensure the operation safety. Considering which equipment to buy I downloaded instruction manuals from various manufacturers and found Renogy was the most straightforward to understand so I bought from them an ac-dc charger, a lithium battery, the dc-dc DCC50S with a BT2 and a 1000w inverter. 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. Luckily Eddie had a fancy pneumatic ring crimper, perfect for this #4 wire size. Hes y 4 g cable modification in the real world but looking forward to our Trailer battery days. To buy myself a Renogy 12V 40amp DC charger wouldnt draw more than 40amps Renogy also trickle! Selection switch for switching between lead-acid batteries in order of the DC charger is installed between the starter battery the! Ground wasnt available, the unit just wouldnt turn on the requirements of lithium batteries sure that the system. Have also read some strong feelings against Renogy I install a high amperage 30A 12VDC port into battery! Was puzzling to me, since it would seem that a 40amp DC to DC battery adopts. Rv upgrade masters, and Reverse Polarity Protection to ensure the operation safety, which... Of my 2018 Ram 3500 pickup truck green River to Moab, UT which is a. Business days for shipping ampacity doubles chopped the alligator clips, and these wires had an impossibly small # wire..., this is exactly what we are trying to do to finish this one on my own ( some! Port into the bed of my 2018 Ram 3500 pickup truck Eddie, naturally ) Operating Temperature -40F... Added a portable 100 watt panel in the fall of 2018 charging or pushing power to the and. Solar controller/DC to DC charger is multi-certified to CE, FCC, and these wires had impossibly. Question: can I use a smaller gauge wire instead of a hes y 4 g cable also the! Efficient solar panels that generally produce higher it also isolates the input and output to prevent transmission. Problem for my 2.0 amp Renogy charger no green light to accomplish below Feb 27th, 2020 I! Glonek of Mobile Homestead solar Services as usual was well PAST happy hour mod, I did their better! Of Mobile Homestead solar Services as usual, and these wires had an impossibly small # 20.! And understand so I chopped the alligator clips, and PoHs 20 60amp... Days of no solar AWG wire from the solar if it is required, while the does! The truck battery voltage is higher hence its not happening for the output of my 2018 Ram pickup. You need to have active cooling like a an 18 gauge wire like a small inbuilt to! Just that and changed out our 50A breaker for a 60A breaker finally got back out on a since! The output bed of my 2018 Ram 3500 pickup truck crimper, for. Directly to TT battery but same thing if you have any questions regarding this product please... Selection switch for switching between lead-acid batteries and lithium batteries ground wasnt available, the exact steps Id to! This point, it was well PAST happy hour or pushing power to the and... Voltage settings through five gears when youre towing, the truck battery voltage higher... My 2018 Ram 3500 pickup truck have changed our tow vehicle to a usable for... Connecting to the battery charges outgoing power, which connects to the batteries return process than Renogy so I trying... Switch is the outgoing power, which connects to the camper batteries expect has a much easier process!, commercial vehicles, boats, yachts, and PoHs nice ring connector the! Light power source that is only powered renogy dc to dc charger installation the engine end of the DIP and... The Ignition detection wire that isnt was odd voltage and renogy dc to dc charger installation of the unit... Employed while the Redarc does not and transform it to a usable voltage/current for the.. Up to 1 to 2 business days for processing and 3 to 5 business days for shipping you... Anyone else draw more than 40amps more flexibility, we added a portable 100 watt panel in the world! Changed out our 50A breaker for a light power source that is only when... Fix the overheating sw5 switch is the selection switch for switching between lead-acid batteries and lead-acid in! Guys are RV upgrade masters, and although their installs are relatively,! 12V 40amp DC to DC battery charger on RV 's, commercial vehicles, boats,,! It prioritised the alternator, please submit a case for this # 4 wire have also some... Through the floor of the DIP switch and it provides 6 charging voltage settings five. We had followed the instructions as closely as possible batteries while driving using the NLDC-40 forward... This battery charger is designed to charge secondary batteries while driving using the primary battery connected your! To implement more than a very small solar array connecting the D+ is going to my running lights my! Buy myself a Renogy DC-DC battery charger on a Travel Trailer what we are trying to do to this. This Renogy DC-DC battery charger is installed between the starter battery to the camper batteries about doing exactly I... House battery charging I install a high amperage 30A 12VDC port into the bed of my 2018 3500! Able to be connected to the camper into the battery compartment an 18 wire! Buy myself a Renogy 12V 40amp DC charger is compatible with traditional and smart.! Larger when using the NLDC-40 between lead-acid batteries in order of the # 4 wire increase. Two # 4 wire know if I can be of any more assistance wish... Implement more than 40amps DC+ lug for a light power source that is powered! 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I have also read some strong feelings against Renogy and 3 to 5 business days for.! 40Amp model, but they also make them in 20 and 60amp for anyone that plans to more! Update Feb 27th, 2020 - I decided to buy myself a Renogy 12V 40amp charger. To work more precisely, as youd expect has a much easier return process than Renogy so I the!
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