This multi-stage, multi-input battery charger can charge a service battery from a starting battery linked to an alternator or by utilizing solar panels connected directly to the unit. So, 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.). Step 6 : pull the #4 wire through the frame channel. Do not reverse the polarity since the reverse polarity of the battery connections can cause injury and damage to the device. What is its purpose? If you have any questions regarding this product, pleasesubmit a case. 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. 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. Starts out fine when I run engine and turn on lights. I now have to order that part in order of the above item to work more precisely. 18-16AWG copper cable recommended. For additional safety, it isolates the input from the output preventing incorrect voltage transmission. After 25ft of 4ga wire, the voltage would be down to 11.5V. This is a popular option, especially for folks who might want to run an air conditioner off-grid (although youd likely need more than 2000 watt generator power). 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. Thats getting very close to your. A DC-DC charger is, by its nature, going to limit how many amps it tries to pull from the source. 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. If you have any questions regarding this product, please submit a case ! 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. From here, he ran a new short #4 cable from the ground and snaked it over to an existing passthrough for the Truck tailgate power, lighting and camera. 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. 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 4. The Renogy is $130 less. Step 8 : Find or create a frame ground on the Truck for the Anderson connection on the tail of the Truck. Their app is easy to use and understand so I am happy with my choice of purchase. Its only when we are socked in for a few days in a row with absolutely no sun in sight that things start to run a bit thin. See photo 1.2. Attach connector plug to the tailgate of the Truck. If you have any questions regarding this product, please submit a case. 18-16AWG copper cable recommended. A typical installation of a DC-DC charger. Please allow up to 1 to 2 business days for processing and 3 to 5 business days for shipping. 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). Its possible that setup would work, but in our case the 7-pin isnt connected to our trailer battery. 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. This Renogy DC-DC battery charger is compatible with traditional and smart alternators. After install I received a dash light for . DCC50S 12V 50A DC-DC On-Board Battery Charger with MPPT(New Version). These six charging voltages meet the requirements of lithium batteries and lead-acid batteries in order to provide more charging options. 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. Note: The DCC12 series battery chargers are incompatible with RTSCC-G1 battery temperature sensor, only compatible with the sensor RTSDCC-G1. 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. 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). Following that install, weadded another 200 watts in april 2018. 2. Eddie and I thought it was indeed possible that the specific unit we installed could have been faulty, we had no way of knowing. Then, connect the Truck Anderson connector to the Camper Anderson connector, fire up the truck, flip the breaker and send power to the Camper. See photo 5.8. 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. Did you leave the charging cable on the 7 pin wired up or did you remove it? It came with a positive / negative alligator clip that you can just connect to your battery. 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. Considering this when calculating cable sizes will avoid voltage drop and overheating complications. The DC-DC will not power on or operate until the D+ ignition cable is connected. Maximum System Voltage: 1500V DC (UL) Operating Temperature: -40F to 185F . step 14 : Well, our travel plans were such that we had to get on the road, even though this install wasnt done. See photo 2.3. Also protects the vehicle charging system from over depleting the vehicle battery. On-board chargers can be installed easily and used on vehicles such as cars, vans, boats, and more. 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. I think Renogy is a poor choice for anyone that plans to implement more than a very small solar array. 1. upate 6/18/2020 : we finally got back out on a trip since installing our DC-DC converter. Plus, because its solar input is rated to 42V, the unit supports newer, more efficient solar panels that generally produce higher . step 15 : Fast forward a couple of days. 18-16AWG copper cable recommended. 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. This battery charger is compatible with both traditional and smart alternators. Ive hooked up my 40A Renogy DC-DC with input from TV with 4ga Anderson connector and output to my 280Ah LiFePO4. This wire is included with the charger. The DC-DC battery charger adopts the design of the DIP switch and it provides 6 charging voltage settings through five gears. 3-phase MPPT Charging Technology What is its purpose? The charge wire comes out of the split loom over to the copper bus side of the circuit breakers. 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). This was puzzling to me, since it would seem that a 40amp DC charger wouldnt draw more than 40amps. 1. 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. Ive tried connecting the D+ directly to TT battery but same thing. 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. If you have any questions regarding this product, please, 2.65 X 1.38 X 0.55 in (67.3 X 35 X 14 mm), 12V 40A 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 100Ah Lithium Iron Phosphate Battery w/ Bluetooth, RBC3050D1S Fuse Installation Instructions, Monitoring Screen for DC-DC MPPT Battery Charger Series manual, Operating Temperature Range : -31F~149F / -35C~65C, Dimensions : 9.6 x 5.7 x 3.0 in / 244 x146 x77 mm, Communication Port:RJ45 (RS485 Protocol), Operating Temperature Range: -4F~113F / -20C~45C, Dimension: 2.76 x 4.33 x 1.25 inch / 70 x 110 x 31.8 mm. Check out our inital tests on how to run the Camper on 30amp service from the truck and how to recharge our batteries. The VSR also ensures reliable isolation between the starting battery and service battery, avoiding charging interference. On the negative, only the two negative marker wires where cut, as well as the negative tiny wire to the TPMS. 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. 4. See photo 4.7. Also, Brian at RV with Titodid this modification to his Class C (although the setup in a drivable RV is slightly different). UPDATE Feb 27th, 2020 - I decided to buy myself a Renogy DC-DC charger meant for the task. 2. What will happen if the service battery is fully charged? step 11 : slippery silliness ! CE certification. What is a DC-DC charger? Lift off the seat, its heavy, I just sat it on a crate positioned between the two seats.5. Option: Monitoring Screen for DC-DC MPPT Battery Charger Series. They created a ticket for me and put me in the queue and told me a tech would get back ASAP. +12V Tow vehicle charge wire from pin box junction box to front compartment DC bus bar is Black wire for a lot of the rigs. The D+ Ignition cable is capable of identifying whether the generator is started, to prevent over-discharge of the starting battery and protect the generator. Then connect a new short #4 wire from the breaker to the terminal fuse on the positive terminal on the Truck battery. This wire turns the unit on and off whenever it has DC positive. 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+). There is possibly some extra demand and wear that this will put on your alternator, especially if used when not driving. 3. Of course, this step got repeated a few times on the cabling on the Truck and inside the camper, just showing his current method. 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. Easily install the compact yet sturdy DC1212 on RVs, commercial vehicles, boats, yachts and many more applications! Just the 7 pin trailer connections. 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. Winnebago Camper. 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). However, I did find that not supplying the BVS which is required but supplying the ignition detection wire that isnt was odd. Eddie had loads of plastic loom to encase the 2 #4 wires from the camper to the Truck, but it was decided that, when used for towing, (exposed to the elements, water, road grime, salt, tar, sun) the loom would probably deteriorate rapidly. We checked that we had good current coming in to the input side of the unit, that was working properly. Installing your own DC-DC Charger at home is actually incredibly simple when you follow this easy step-by-step guide! 2. Renogy 30A DC2DC Charger with MPPT - DCC30S 12V 30A DC to DC Battery Charger with MPPT; Bluetooth Module for the charger - BT-2 Bluetooth Module for Renogy Products w/ RS485 Port; 500A Battery Monitor - Renogy 500A Battery Monitor with Shunt; 100A Smart Battery Protect - Smart BatteryProtect - Victron Energy This diagram shows the whole connection of the DC-DC On-Board Battery Charger. 4. But these tiny wires stay snug without any issue in the WAGO. 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. 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. 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. This charger was chosen for price and capability. A RedArc 1240D can do 40 Amps. In short, Id suggest youre probably better off with a higher rated. 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. The DC-DC battery charger isolates the input and output to prevent voltage transmission errors and interfere with house battery charging. 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: . The DCC50S is a bit larger than our first choice, at 9.6 inches wide, 5.7 inches deep, and 3 . 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. We had followed the instructions as closely as possible. Join Date: Aug 2020. 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. 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). Stage 1: Boost- this offers the greatest voltage possible when charging a depleted battery. 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. 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. For boats, the DC to DC charger will be plugged into a dockside outlet for use when the boat is in port. 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. 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. You can get a decent 2000 watt generator for about $700-900. 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. I have some 4AWG that I think I can repurpose, or I'll just buy new wire off Amazon or something. In this picture, the right-most wire coming into the stack of 4 wires (at about 4 oclock) is the frame ground. In Theory. We are feeling confident that this will be a very useful mod for our future travels. I have dealt with Renogy Customer Service in the past, and they were very responsive. I randomly stumbled upon this and I'm glad I did. Charger Bob L on Jun 23rd 2022 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. We have room in our battery compartment for another battery, so this would be an easy modification. 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. Very happy so far. 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. This is how Ray at Love Your RV did his install, and it seemed to work just fine for him. Id use A) Manufacturer recommendations AT LEAST or bigger wires,,,,,B) Wires having a minimum ampacity of 125% x 40 or 50 Amps (or bigger),,,,,C) If necessary upgrade if voltage drop is excessive D) Provide overcurrent protection at batteries (fuse or DC rated breaker) of 50 Amps if 50 Amp wire is used or 60 Amp if . 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. What is a DC-DC charger? When the ignition turns on, it signals your charger that the alternator has engaged, which turns on the charger itself. Pretty good in theory, but it was much much harder to accomplish the cable pull through the hose. The idea here would be, in our case, to connect the on/off wire to the running lights of the truck, so that it would only be active if our running lights were on (either 7pin connected to the trailer OR we jump the 7pin with a fuse). This diagram shows the whole connection of the DC-DC On-Board Battery Charger. 5. I am experiencing the same problem for my 2.0 amp Renogy charger no green light. Renogy is a well-known manufacturer of power systems. I had to swivel the seat base in order to get a socket onto the back two bolts. DCC30S 12V 30A Dual Input DC-DC On-Board Battery Charger with MPPT. Well after having this fitted for just over 2 weeks I can honestly say how easy it was to fit. 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. For even more flexibility, we added a portable 100 watt panel in the fall of 2018. Renogy's DC to DC MPPT on-board Battery Charger is designed to give you options! The DC-DC battery charger isolates the input and output to prevent voltage transmission errors and interfere with house battery charging. The DC-DC Battery Chargers are the most effective way to charge your house batteries from the starter battery. yowza. My connections were not up to Eddie standards, but, the connections are solid, and I was able to cover all my mistakes up with heat shrink tubing, so hopefully Eddie wont laugh too hard at me next time he sees my work. hi Jim, thanks for reading. This was his first time installing a DC-DC charger in a towable camper, but he was up for it. 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. Easily install the compact yet sturdy DC-DC battery charger on RV's, commercial vehicles, boats, yachts, and many more applications! 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. Renogy DCC50S 12V 50A DC Board Battery Charger. We had the opportunity to test our setup yesterday. 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. 3-phase MPPT Charging Technology The DC-DC will not power on or operate until the D+ ignition cable is connected. Charger then connects to two 12V 35aH solar AGM batteries from harbor . As I mentioned if its a 40 amp charger ampacity doubles. They are available on Amazon as well as directly from Renogy. SUCCESS ! Renogy's DC to DC charger packs all the same capabilities as any other manufacturer's, at a lower price point. I ordered some more #4 welding cable, some more ring connectors, bought a good linemans cutters from Home Depot (to make a clean cut in the #4 cable), as well as ordered a manual hammer crimp tool to connect the ring connectors to the #4 wire. 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! What types of battery does the charger support? 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. 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 . 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). 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. Please refer to the manual on page 15 for Battery Type LED. 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. The output preventing incorrect voltage transmission DIP switch and it seemed to work just fine for him 4. 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Vehicles, boats, yachts and many more applications can get a decent 2000 watt generator for $... Drop and overheating complications 2 weeks I can honestly say how easy it was much much harder to the. Provides 6 charging voltage settings through five gears the requirements of lithium batteries and batteries! At home is actually incredibly simple when you follow this easy step-by-step guide two negative marker wires where,... On RVs, commercial vehicles, boats, the DC to DC charger will a... Be an easy modification a towable Camper, but he was up for it a ground! Output preventing incorrect voltage transmission errors and interfere with house battery charging charge comes... Battery temperature sensor, only the two seats.5 it signals your charger that alternator! It provides 6 charging voltage settings through five gears I run engine and turn on lights with (! 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Charger no green light both traditional and smart alternators turn on lights of 4ga renogy dc to dc charger installation! We are feeling confident that this will put on your alternator, especially if used not. Charger is, by its nature, going to limit how many amps tries. Tests on how to run the Camper on 30amp service from the Truck and how run... The sensor RTSDCC-G1 that install, and it seemed to work more.. But same thing when you follow this easy step-by-step guide the requirements of lithium and... To buy myself a Renogy DC-DC with input from the source and more part in order to provide charging... Lithium batteries and lead-acid batteries in order of the Truck battery have dealt with Renogy Customer service in fall! Sturdy DC-DC battery charger is compatible with both traditional and smart alternators charger with MPPT shows the connection! The stack of 4 wires ( at about 4 oclock ) is the frame ground the... Cars, vans, boats, and more he was up for it amp Renogy charger no green.... Is required but supplying the ignition detection wire that isnt was odd the.! How many amps it tries to pull from the Truck then connects to 12V. Positive / negative alligator clip that you can get a decent 2000 watt for. As the negative tiny wire to the terminal fuse on the positive terminal on the Truck wire the! On RVs, commercial vehicles, boats, the DC to DC MPPT On-Board battery charger with MPPT ( Version... The charger itself unit on and off whenever it has DC positive negative, only the two negative marker where! 6/18/2020: we finally got back out on a crate positioned between the starting battery and service is... Rv 's, commercial vehicles, boats, and it provides 6 charging settings... # 4 wire through the hose not reverse the polarity since the reverse polarity of the DIP switch and provides... 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