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). 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. Renogy DC to DC Battery Charger InstallRenogy 60A DC to DC Battery ChargerCompatible with a multitude of alternator types, this 60A DC to DC Battery Charger . 1. The DC-DC battery charger isolates the input and output to prevent voltage transmission errors and interfere with house battery charging. Ive hooked up my 40A Renogy DC-DC with input from TV with 4ga Anderson connector and output to my 280Ah LiFePO4. 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). But these tiny wires stay snug without any issue in the WAGO. 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. How to choose a suitable battery charger? As I mentioned if its a 40 amp charger ampacity doubles. 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. welcome to our little blog. 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 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. . Offers Over-voltage Protection, Over-temperature Protection, and Reverse Polarity Protection to ensure the operation safety. I backed up the truck, connected the Anderson connector from the truck source plug to the camper load plug. See owners manual for more details. We havent yet tested this new modification in the real world but looking forward to our next trip and trying it out. 18-16AWG copper cable recommended. We looked at the instructions a few more times, even searched for a more recently updated version of the instructions as a pdf (in case ours were out of date). 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. Posts: 8. 3. Thanks for the update. 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), SBPVW (Self build panel vans with windows) on Mar 23rd 2021, 12V 20A DC to DC On-Board Battery Charger, DCC50S 12V 50A DC-DC On-Board Battery Charger with MPPT(New Version), 12V 40A DC to DC On-Board Battery Charger, 12V 60A DC to DC On-Board Battery Charger, 12V 100Ah Lithium Iron Phosphate Battery w/ Bluetooth, RBC3050D1S Fuse Installation Instructions, Monitoring Screen for DC-DC MPPT Battery Charger Series manual, Alternator Input Voltage : Traditional Alternator: 13.2-16VDC Smart Alternator (Euro 6): 12-16VDC, Operating Temperature Range : -31F~149F / -35C~65C, Dimensions : 9.6 x 5.7 x 3.0 in / 244 x145 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. With only 244mm in length, 145mm in height, and 1.42kg in weight, Renogy DC-DC On-Board Battery Charger is ready to be installed and adapt to any tiny narrow installation space, resolving your concern from limited room in your vehicle. Depending on the specifications, the DC-DC may power limit or power increase to output the correct voltage. I had to swivel the seat base in order to get a socket onto the back two bolts. Learn more from, 12V 40A DC to DC On-Board Battery Charger, Battery Temperature Sensor for DC to DC on-board Battery Charger, DCC30S 12V 30A Dual Input DC-DC On-Board Battery Charger with MPPT, 12V 60A DC to DC On-Board Battery Charger, 12V 200Ah Lithium Iron Phosphate Battery w/ Bluetooth, Dimensions:8.3 x 6.9 x 2.7 in / 211 x 175 x 68 mm. We only added one ring connector, because we were going to pull the other end, then cut to the perfect run length to terminate on the tail of the truck. 4. This wire will handle up to 45A and reasonably hot temps inside the engine bay. 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.). (each 100 watt panel can push about 5-6amps of 12 volt power). Hey guys, so I've been meaning to figure out how to properly have my alternator charge my house batteries. 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. Exclusively available with the BT-2 Bluetooth Module accessory and Renogy DC Home App available on the IOS and Google Play Stores, you can monitor this device remotely and simply through your phone and stay constantly updated. I also test out using an old Bogart SC2030 solar charge controller I have laying around for alternator charging. so would be 45 amps from the alternator and 5 from the solar making up the 50 amps. 12V 40A DC to DC Battery Charger w/o Solar Input. The battery temperature sensor for DC-to-DC car battery chargers can be purchased at the Renogy store. 3. The Renogy is $130 less. 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. Charger then connects to two 12V 35aH solar AGM batteries from harbor . I'll post a video of this on my Youtube channel, just google youtube vangonow, https://www.youtube.com/channel/UCqYGzyL-IjKkQRi2IDnbGIw. 12V 40A DC to DC On-Board Battery Charger. Isolating the solar solves the problem. Do not reverse the polarity since the reverse polarity of the battery connections can cause injury and damage to the device. Lift off the seat, its heavy, I just sat it on a crate positioned between the two seats.5. Our trailer batteries were quite low (due to the cloudy weather), so at about 45% or so. 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. Also, Brian at RV with Titodid this modification to his Class C (although the setup in a drivable RV is slightly different). 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. Join Date: Aug 2020. This system works very well for our needs, but has one major weakness : lack of sun. 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. 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. Please note the temperature sensor is not included and it cannot use with Lithium batteries. For battery settings please refer to the Manual Book on page 12&15. Below is a proud Eddie, and his new Load side Anderson connector. 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. The D+ is going to my running lights on my TT after the 7-pin connector. We had the opportunity to test our setup yesterday. Step 8 : Find or create a frame ground on the Truck for the Anderson connection on the tail of the Truck. and.. As you can see, the green light above the dip switch was on, indicating the DC unit was charging the batteries, and below, in my TM-2030 Wifi output to the Battery Monitor, it was showing 40amps coming in from the truck, into our camper batteries !! Step 3 : gather the parts and gear needed for the install. The left terminal is for a positive DC wire. 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. 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 one took a few more steps to complete after the fact than normal. Please note the LC cable is not included. What types of battery does the charger support? Renogy's DC to DC MPPT on-board Battery Charger is designed to give you options! 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. Haven't observed any overheating issues, but may add a 12v computer fan to help shift some air across the rear just in case. Also protects the vehicle charging system from over depleting the vehicle battery. 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 Managing and monitoring your energy easily and remotely in any scenario and situation. yowza. The D+ Ignition cable is a design method used to identify whether the generator is started. 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. The VSR also ensures reliable isolation between the starting battery and service battery, avoiding charging interference. It seems that with the low voltage on the trailer batteries, the DC-DC charger was pulling more than the 50amp breaker would allow. 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 . The LC wire can automatically adjust the charging current to prevent excessive charging current from damaging the house battery. It's the smart way to keep yourself fully charged and off-grid longer! They take the voltage and current of the input and transform it to a usable voltage/current for the output. 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. 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! 3-phase MPPT Charging Technology How do I set the battery since there is no display screen? hi Jim, thanks for reading. Just the 7 pin trailer connections. 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. The charger needs to select the charging mode according to the battery voltage. SW5 switch is the selection switch for switching between lead-acid batteries and lithium batteries. While your vehicle's alternator prioritizes your starting battery, this unit will allow your solar system to charge your service battery first! just something to consider. CE certification. It is able to charge: Flooded, Gel, AGM, and Lithium batteries using multi-stage charging. For battery settings please refer to the Manual Book on page 12&15. After 25ft of 4ga wire, the voltage would be down to 11.5V. Renogy's DC to DC MPPT on-board Battery Charger is designed to give you options! We are currently on a different sort of adventure, converting a Ford Transit cargo van into our new full-time home on wheels in hopes of exploring North America and conquering more mountains - and hopefully even the Arctic Ocean!Subscribe to the channel for more van life adventures, and check us out on Patreon for behind the scenes, early release ad-free content, and more!__________________Inquires: richandkirsten7@gmail.com B2B chargers are hands down the best way to charge if you drive regularly IMO. Please note the D+ Ignition Cable is not included. This guy Matt at Adventurousway.com has some great info ok on with the show ! I had seen Ray over at Love Your RV do this upgrade on his 5th wheel, so we were hoping to do the same. 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. For our style of camping, having only solar power, we are covered for about 90% of the time. That would make a nice durable coating/covering for the 2 #4 wires. I know for sure the 4g worked just fine, so Id just go with that. The DC-DC battery charger will charge your house batteries from the starter battery by 3-stage charging (Bulk, Boost, and Float), to make sure it optimally and automatically charge to 100%. Love it. BUT (heres the issue) after 30 secs or so the Renogy starts turning on and off (internal protection?) SW5 switch is the selection switch for switching between lead-acid batteries and lithium batteries. If you have any questions regarding this product, pleasesubmit a case. The model range is suitable for 12V or 24V systems, and both lead acid and lithium batteries. 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). 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 Its possible that setup would work, but in our case the 7-pin isnt connected to our trailer battery. 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. 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 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. A typical installation of a DC-DC charger. update : In October 2020 we added yet another 275 watts for solar, as well as another 100ah Battleborn battery for a total of 300ah. Please note the D+ Ignition Cable is not included. 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). On our trailer, prior to removing it, we would get something like 3amps from the 7pin if we were lucky. It also isolates the input and output to prevent voltage transmission errors and interfere with house battery charging. Both ways can be charged at the same time to minimize charging time. 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. Is it necessary to connect? UPDATE Feb 27th, 2020 - I decided to buy myself a Renogy DC-DC charger meant for the task. Totally demoralizing after a long 6-7 hour overall project effort. I had plenty of #4 wire available, so I could easily make a wire long enough to swing around the top of the existing 4 incoming connections to the shunt, and just add my fifth wire on top, and bolt back down the shunt bolt. How to set the charging voltage value of the charger? Step 2 : contact Eddie ! 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. The DC-DC will not power on or operate until the D+ ignition cable is connected. hi Brian, probably no big deal to leave the 7 pin wired for trickle charge. These six charging voltages meet the requirements of lithium batteries and lead-acid batteries in order to provide more charging options. In the picture below, was the existing setup done by Eddie back in the Summer of 2017, showing all the DC loads and Trailer Frame Ground coming in to the left side of the shunt. hi there sorry for the slow response. Renogy DC-DC Chargers support a variety . Well minor issue on a recent trip when we finally really tested this setup. What types of battery does the charger support? Considering this when calculating cable sizes will avoid voltage drop and overheating complications. DC-to-DC charger. 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. For even more flexibility, we added a portable 100 watt panel in the fall of 2018. I've only got 125 watt solar panel and the best I ever see is about 7 amps. 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). Location Make sure to install the B2B charger in a well vented space, and do not obstruct the hot air exhaust: Wiring and Electrical See photo 5.8. It's the smart way to keep yourself fully charged and off-grid longer! Also note, I increased the breaker amps in a subsequent edit to this post. What is a DC-DC charger? 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). Option: Monitoring Screen for DC-DC MPPT Battery Charger Series, Alternator Input Voltage : Traditional Alternator: 13.2-16VDC Smart Alternator (Euro 6): 12-16VDC". This is how Ray at Love Your RV did his install, and it seemed to work just fine for him. 18-16AWG copper cable recommended. Biases to solar power when it is available. The DC-DC Battery Chargers are the most effective way to charge your house batteries from the starter battery. The idea is, the alternator on the your tow vehicle (or in the case of a van, or drivable RV) creates extra surplus power that can be used charge the house batteries of the camper. They created a ticket for me and put me in the queue and told me a tech would get back ASAP. What is the D+ Ignition cable? 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 to spend some much appreciated time with our family. Featured with Remote Temperature Sensor Port, the Voyager can measure the temperature at the battery in real-time and uses this data for very accurate temperature compensation for both too high or low battery temperature, and thus adjust charging voltage to assure stable and constant charging to the battery. 3. 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. The D+ Ignition cable is a design method used to identify whether the generator is started. 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. If you get that working let me know so I can post an update. Bonus points : he is friends with Ray at Love Your RV, so we knew we could hit up Ray if we hit any technical issues or roadblocks during the install. 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) May power limit or power increase to output the correct voltage me put! 1 to 2 business days for shipping suitable for 12V or 24V systems, and lithium batteries multi-stage! Put me in the queue and told me a tech would get back ASAP about. This product, pleasesubmit a case I decided to buy myself a DC-DC! 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