Please allow up to 1 to 2 business days for processing and 3 to 5 business days for shipping. For added safety to personnel, the DCC12 isolates the input from the output preventing incorrect voltage transmission. 2. 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. The DC-DC battery charger adopts the design of the DIP switch and it provides 6 charging voltage settings through five gears. At this point, it was WELL PAST happy hour. 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. This system works very well for our needs, but has one major weakness : lack of sun. Let me know if I can be of any more assistance. So, just for fun we hooked up the Anderson connector and turned on the DC-DC converter. So far I love it and can highly recommend. Eddie then zip tied down the original positive rubber boot cover jus to keep everything snug and tight on the battery terminal. See owners manual for more details. 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%. If you have any questions regarding this product, please submit a case ! I am experiencing the same problem for my 2.0 amp Renogy charger no green light. We went with a 40amp model, but they also make them in 20 and 60amp. B2B chargers are hands down the best way to charge if you drive regularly IMO. Compatible with a multitude of alternator types, the DC-DC battery charger offers correct charging for AGM, Flooded, Gel, and Lithium batteries. Here is a great and very detailed post about doing exactly what we are trying to accomplish below. SUCCESS ! 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). 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. Its a pretty crude tool, which you need to smash the crimper with a heavy hammer (i used an 8# sledge) onto a very hard surface like concrete. The DC-DC battery charger isolates the input and output to prevent voltage transmission errors and interfere with house battery charging. 3. Since we had plans to head down to Arizona in late April 2020, I hit up Eddie Glonek of Mobile Homestead Solar Services to see if he was available to do this install for us. This Renogy DC-DC battery charger is compatible with traditional and smart alternators. Starts out fine when I run engine and turn on lights. I screwed down the DC unit to the wood blocks which Eddie had already connected to the Camper floor. 4. 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. 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). 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). Depending on the specifications, the DC-DC may power limit or power increase to output the correct voltage. 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. Those, Lets say your RV batteries are at 13.6V and your truck batteries are a little low, maybe at 12V. This implies that various levels are employed while the battery charges. Please note the LC cable is not included. Option: Monitoring Screen for DC-DC MPPT Battery Charger Series. Eddie then connected the DC positive wire from the green terminal left connector, to a test DC positive on our batteries and. I have also read some strong feelings against Renogy. Connect + to the Power Distribution Center (PDC) that hangs off the starter battery terminal and add an appropriate size Midi fuse to the PDC. Please allow up to 1 to 2 business days for processing and 3 to 5 business days for shipping. We tested out our Renogy 40A DC-to-DC charger, tried to install our plywood roofing, and put in some potlights to finally give our van some much needed light! Click here for prices on amazon.com victron orion tr smart dc to dc battery charger Get Started With Off-Grid Solar Power Please note the D+ Ignition Cable is not included. Renogy's DC to DC MPPT on-board Battery Charger is designed to give you options! This enables the backup battery's charge to be replenished quickly. 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. They are available on Amazon as well as directly from Renogy. 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. 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. He then passed the long positive #4 wire from the Truck battery, along this same area and passing it through the existing hole for the tailgate power. We went with a 40amp model, but they also make them in 20 and 60amp. 18-16AWG copper cable recommended. Luckily Eddie had a fancy pneumatic ring crimper, perfect for this #4 wire size. 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. update 9/4/2021 : we have changed our tow vehicle to a F-150 Powerboost. The DCC12 Series battery chargers are the most effective way to charge your auxiliary or house batteries from the alternator/starter battery. Also it seems like not alot of folks have the power and heated seats so there wasn't much info on wiring bit. 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 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 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%. For our style of camping, having only solar power, we are covered for about 90% of the time. The Victron pair you're leaning towards is an excellent choice. The DC-DC will not power on or operate until the D+ ignition cable is connected. 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. For battery settings please refer to the Manual Book on page 12&15. High-Powered 550W Monocrystalline Solar Panel . 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) I will try and ask Eddie if a smaller gauge wire would work. However, I did find that not supplying the BVS which is required but supplying the ignition detection wire that isnt was odd. It has multifunctional safety technology including over-voltage protection, over-temperature protection, and reverse polarity protection to make it safer for use. 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. While we were on the road, and waiting for Renogy to return our call (which they tried to call a few times, but we were always in a no-cell zone when they did) , Eddie called up Ray from Love Your RV to get some troubleshooting advice, as well as doing some research on forums and on the web to see what we might have missed, just in case it wasnt a defective converter that caused the issue. The LC wire can automatically adjust the charging current to prevent excessive charging current from damaging the house battery. This wire turns the unit on and off whenever it has DC positive. Disconnect the two wiring harness connectors under the driver seat, one is white and one is yellow. Get about 46A (40 from DC-DC and 6A from 7-pin. See photo 6.9. The Renogy is $130 less. 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. Also note, I increased the breaker amps in a subsequent edit to this post. With Pandemic shipping times, I didnt want to wait too long and had it shipped to a future destination a few days into our future itinerary. This is a great piece of kit that is very easy to wire up. And what the heck does that mean ? It has multifunctional safety technology including over-voltage protection, over-temperature protection, and reverse polarity protection to make it safer for use. 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. With this in mind, the NLDC-40 features a 600W MPPT solar regulator, unlike the NLDC-25's 375W MPPT. If the efficiency of the DC charger is 95% then that would need 49.8A @ 11.5V. 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. The DCC50S is a bit larger than our first choice, at 9.6 inches wide, 5.7 inches deep, and 3 . This is true of any DC-DC charger, not just Renogy. While your vehicle's alternator prioritizes your starting battery, this unit will allow your solar system to charge your service battery first! The charger is overheating in Scotland in Mid winter and where the charger sits its about 15c and it has plenty of air. So driving in full sun and an empty battery the best the charger would put in is 32 amps. 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 Renogy unit is +10 amps more than the allowable MB guidelines of 40A. 1. 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. 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. Hey guys, so I've been meaning to figure out how to properly have my alternator charge my house batteries. Their app is easy to use and understand so I am happy with my choice of purchase. Maximum System Voltage: 1500V DC (UL) Operating Temperature: -40F to 185F . Make sure that the entire system is a 12V system, 2. Posts: 8. just something to consider. 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. 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. 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. The smart edition is able to be connected to your phone through Bluetooth so you can manually program it. This controller supports Gel, AGM, Flooded, and Lithium battery, but please make sure to set the correct battery type once it is installed. 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. 18-16AWG copper cable recommended. The battery temperature sensor for DC-to-DC car battery chargers can be purchased at the Renogy store. # 1. Renogy's DC to DC MPPT on-board Battery Charger is designed to give you options! step 14 : Well, our travel plans were such that we had to get on the road, even though this install wasnt done. DCC50S 12V 50A DC-DC On-Board Battery Charger with MPPT(New Version). 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.). The Renogy also offers trickle charge to the starter battery from the solar if it is required, while the Redarc does not. 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 . 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 . This Renogy DC-DC battery charger is compatible with traditional and smart alternators. Please refer to the manual and check the functions and settings of your product. This wire will handle up to 45A and reasonably hot temps inside the engine bay. 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. step 16 : OK, so now that we knew that we were missing Trailer Frame Ground in this whole setups circuit, all we needed to do was get Trailer Frame Ground into the input side of the DC-DC Charger unit. Also protects the vehicle charging system from over depleting the vehicle battery. I had to swivel the seat base in order to get a socket onto the back two bolts. 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. 18-16AWG copper cable recommended. It came with a positive / negative alligator clip that you can just connect to your battery. Renogy you need to have active cooling like a small inbuilt fan to fix the overheating? 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). These six charging voltages meet the requirements of lithium batteries and lead-acid batteries in order to provide more charging options. Gender: Male. Bought a 170 lithium battery from renogy 4 months ago and one major issue shows up every-time. 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). In my latest RV mod, I install a high amperage 30A 12VDC port into the bed of my 2018 Ram 3500 pickup truck. : The theory was, wed use one long run of the #4 welding cable to run from the Trucks battery, all the way to the tail of the truck. Ive only just found the time to instal, which went easily and well, and am yet to finalise the perimeters for the very best set up..but first I need the BVS.. circles upon circles, who knows maybe the ignition wire will come in handy after all. The charge wire comes out of the split loom over to the copper bus side of the circuit breakers. I appreciate Eddie explaining ( a few times ) , the exact steps Id need to do to finish this one on my own. I anchored these to the wall so there would be no real stress points and tested all connections. This diagram shows the whole connection of the DC-DC On-Board Battery Charger. A DC-DC charger is, by its nature, going to limit how many amps it tries to pull from the source. Luckily Eddie had access to a fish wire, which easily passed through the channel. Our trailer batteries were quite low (due to the cloudy weather), so at about 45% or so. Please note the LC cable is not included. The DC-DC battery charger isolates the input and output to prevent voltage transmission errors and interfere with house battery charging. 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. Please note the D+ Ignition Cable is not included. 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. I also ordered another Renogy DC-DC Charger, this time directly from Renogy instead of from Amazon, just in case this would help accelerate in getting customer support going forward. step 11-b : make the run along the frame with the garden hose (two wire #4 cable) secure with plastic anchors which are bolted into the steel frame. The DC-DC battery charger is installed between the starter battery and the house battery. 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. 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. Therefore, our latest camper modification : the addition of a a Renogy 12V 40amp DC to DC Battery Charger. 3. 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. Check out our inital tests on how to run the Camper on 30amp service from the truck and how to recharge our batteries. And now it was time for a test. Easy to install and well made. You simply attach the positive and negative leads from each battery to either side of the charger, then connect a wire from the charger to the ignition system. Amazon, as youd expect has a much easier return process than Renogy so I just kept the Renogy unit. SW5 switch is the selection switch for switching between lead-acid batteries and lithium batteries. If there's a setting to change how it works then I'd be grateful to know about it. 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. 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 AWG wire from the starter battery to the charger, about 15ft (5-ish meters) one-way. Connecting to the DC+ lug for a light power source that is only powered when the engine is running. The left terminal is for a positive DC wire. Probably when youre towing, the truck battery voltage is higher hence its not happening. It accepts and regulates a charge from either (or both) your starting battery (alternator) and solar panels, acting as both battery isolator/charger and charge controller. 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. Been using the 50 amp charger for almost 2 years to charge 2 AGM batteries, No issues to report for these batteries. 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. 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