At this point, the Truck prep and wiring was complete. At this point, it was WELL PAST happy hour. 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.). I anchored these to the wall so there would be no real stress points and tested all connections. step 10 : connect the long #4 wire from the tail of the truck to the breaker in the engine compartment. Renogy DC-DC Chargers support a variety . +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. 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). 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). Polycrystalline panels are cheaper, but they are also less efficient. welcome to our little blog. Please note the temperature sensor is not included and it cannot use with Lithium batteries. What is its purpose? What is the D+ Ignition cable? 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. Just the 7 pin trailer connections. The DC-DC will not power on or operate until the D+ ignition cable is connected. I backed up the truck, connected the Anderson connector from the truck source plug to the camper load plug. For even more flexibility, we added a portable 100 watt panel in the fall of 2018. Well after having this fitted for just over 2 weeks I can honestly say how easy it was to fit. Please note the D+ Ignition Cable is not included. The system prioritises solar but in my opinion it would be better if it prioritised the alternator. The DCC12 Series battery chargers are the most effective way to charge your auxiliary or house batteries from the alternator/starter battery. This side of the DC Charger is the outgoing power, which connects to the camper batteries. 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. What is its purpose? 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. These guys are RV upgrade masters, and although their installs are relatively recent, it seems they are happy with the Renogy charger. Similar to the 7pin connector on a travel trailer or 5th wheel (that runs the camper running lights, brake controllers, and actually can send a little bit of dc power to your camper, but mainly for trickle charging at a low amperage), the idea is to run another high-amp connection from the tow vehicle (on an additional / separate cable to the 7pin towing cable) which is capable of delivering much more power directly to a DC charger which is connected directly to the house batteries of the camper. That would make a nice durable coating/covering for the 2 #4 wires. 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: . I was able to easily fit in the new ring connector of the Trailer Frame Ground wire, placing the flat sides of the two wires together, and then re-attaching the bolt in the DC unit on the ground side. Stage 1: Boost- this offers the greatest voltage possible when charging a depleted battery. The issue : after about 5 minutes, the 50amp breaker on the truck would trip. Option: Monitoring Screen for DC-DC MPPT Battery Charger Series, Alternator Input Voltage : Traditional Alternator: 13.2-16VDC Smart Alternator (Euro 6): 12-16VDC". Please allow up to 1 to 2 business days for processing and 3 to 5 business days for shipping. The compact and robust design makes it suitable for all conditions. Step 5 : make a nice ring connector on the engine end of the #4 wire. Starts out fine when I run engine and turn on lights. Pre-Drilled Holes for Easy Installation - Renogy solar panels are equipped with back frame and ground mounting holes, ready for installation. Renogy you need to have active cooling like a small inbuilt fan to fix the overheating? As I mentioned if its a 40 amp charger ampacity doubles. Hey guys, so I've been meaning to figure out how to properly have my alternator charge my house batteries. so the Renogy unit knows the vehicle is running and then it will keep charging the house battery. Been using the 50 amp charger for almost 2 years to charge 2 AGM batteries, No issues to report for these batteries. Step 2 : contact Eddie ! Do not reverse the polarity since the reverse polarity of the battery connections can cause injury and damage to the device. Eddie then connected the DC positive wire from the green terminal left connector, to a test DC positive on our batteries and. This wire turns the unit on and off whenever it has DC positive. Depending on the specifications, the DC-DC may power limit or power increase to output the correct voltage. Gender: Male. 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. For example, a Victron MPPT Solar controller can obtain battery temperature via blue tooth from the Victron Battery Monitor eliminating the need to install a separate temperature sensor for the Solar controller(s). Of course, this step got repeated a few times on the cabling on the Truck and inside the camper, just showing his current method. Winnebago Camper. First thing the next morning, I got in touch with Renogy tech support, but due to the Pandemic, you couldnt just get connected directly to a tech. Both ways can be charged at the same time to minimize charging time. This Renogy DC-DC battery charger is compatible with traditional and smart alternators. BUT (heres the issue) after 30 secs or so the Renogy starts turning on and off (internal protection?) If Renogy added this already, or adjusted the charging algorithm to accommodate such scenario (low PV power) it would be perfect. 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. hi Steve, thanks for reading my post. hi Brian, probably no big deal to leave the 7 pin wired for trickle charge. My search stopped at the Renogy with the DCC50S, not Australian made but, because it was precisely what I wanted and at a sub $350 price (at the time). 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. 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%. See photo 3.4. Renogy's DC to DC MPPT on-board Battery Charger is designed to give you options! 12V 20A DC to DC On-Board Battery Charger. 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 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. Renogy Dual Input DC-DC On Board MPPT Battery Charger with its built-in VSR allows vehicle owners to enjoy the benefits of fully charged deep cycle service batteries while reliably isolating it to the engine starting battery with one easy-to-install charging system. 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 3. Also it seems like not alot of folks have the power and heated seats so there wasn't much info on wiring bit. Comes with sturdy compact design, this Renogy DC-DC On-Board Battery Charger with MPPT can be safely and easily connected to any 12-volt system and allows safe operation in any position or portable devices without the worry of incorrect connections or sparks. 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. DC-DC Chargers are essential components for properly charging and maintaining your second battery bank in your dual battery bank system. Also note, I increased the breaker amps in a subsequent edit to this post. Easily install the compact yet sturdy DC1212 on RVs, commercial vehicles, boats, yachts and many more applications! : 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. Most default dual battery systems support auxiliary battery charging through an isolator but commonly this does not allow for a full charge of the second battery bank. With Built-in Maximum Power Point Tracking (MPPT), Renogy DC-DC On-Board Battery Charger will charge your service batteries with maximized solar power, providing 3-phase charging (Bulk, Boost and Float) to regulate the whole charging and ensure the batteries will be accurately charged at the correct voltage levels to 100%. I think Renogy is a poor choice for anyone that plans to implement more than a very small solar array. 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. 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. 2. 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. I mounted the Tire Minder to the cabinet (it had been just floating around on the floor of the battery compartment). This is what will connect to the newly installed truck Source side Anderson plug. Did you leave the charging cable on the 7 pin wired up or did you remove it? For battery settings please refer to the Manual Book on page 12&15. For added safety to personnel, the DCC12 isolates the input from the output preventing incorrect voltage transmission. Biases to solar power when it is available. It has multifunctional safety technology including over-voltage protection, over-temperature protection, and reverse polarity protection to make it safer for use. The charger will overheat and go into error 6 mode when driving using the alternator. step 11 : slippery silliness ! In short, Id suggest youre probably better off with a higher rated. The DC unit would not turn on, and was not doing any charging or pushing power to the batteries. yowza. SO this means, it will never enable unless we turn ON the breaker, under the hood of the truck. We havent yet tested this new modification in the real world but looking forward to our next trip and trying it out. 2. The left terminal is for a positive DC wire. What will happen if the service battery is fully charged? While your vehicle's alternator prioritizes your starting battery, this unit will allow your solar system to charge your service battery first! 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. If the efficiency of the DC charger is 95% then that would need 49.8A @ 11.5V. When the ignition turns on, it signals your charger that the alternator has engaged, which turns on the charger itself. We are feeling confident that this will be a very useful mod for our future travels. If the Alt. I also test out using an old Bogart SC2030 solar charge controller I have laying around for alternator charging. DC-to-DC charger. 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's DC to DC MPPT on-board Battery Charger is designed to give you options! Charger then connects to two 12V 35aH solar AGM batteries from harbor . 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. 5. The Renogy 30A single input 15A/15A dual input DC-DC On-Board Battery Charger with MPPT is designed to charge service batteries from two DC input, solar panels and the vehicles alternator Compatible with multiple deep cycle battery types: AGM, GEL, Flooded, and Lithium 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. 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. 3. hi there sorry for the slow response. 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). Luckily Eddie had a fancy pneumatic ring crimper, perfect for this #4 wire size. This Renogy DC-DC On-Board Battery Charger with MPPT is compatible with both traditional and smart alternators. 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. UPDATE Feb 27th, 2020 - I decided to buy myself a Renogy DC-DC charger meant for the task. (each 100 watt panel can push about 5-6amps of 12 volt power). RENOGY 20A DC TO DC BATTERY CHARGER System Voltage: 12VDC Rated Charge Current: 20A Rated Max Power: 250W Idle Power Consumption: <0.4A Input Voltage Range: 8V-16V Weight: 3 lbs. It also isolates the input and output to prevent voltage transmission errors and interfere with house battery charging. We thought, how about a section of hose ? 4.1 Mount the Battery Charger 4.2 Location Considerations 4.3 Connecting Temperature Sensor 4.4 Connecting IGN Signal Wire 4.5 Connecting Battery Voltage Sensor 4.6 Selecting the Battery Type 4.7 Connect the Battery Charger 4.8 Typical Setup 4.9 Cable and Fuse Sizing 5 Operation 5.1 LED Indicators 5.2 Charging Logic 5.3 Solar Charge Algorithm 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). It came with a positive / negative alligator clip that you can just connect to your battery. Installing a Ductless mini-split on an outdoors rv travel trailer, Installing a Victron 250watt Phoenix inverter, sure wish I had found this guys blog sooner, F-150 Powerboost. SUCCESS ! On-board chargers can be installed easily and used on vehicles such as cars, vans, boats, and more. I went for a photon universe 200w solar panel since Renogy didnt have a comparable device available. This diagram shows the whole connection of the DC-DC On-Board Battery Charger. Ensure that the maximum charging current provided by the DC-DC battery charger does not exceed the maximum charging current allowed by the house battery. This is stated in the manual but can easily be overlooked, so the cable and fuse size chart is a good reference point. 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? What types of battery does the charger support? When connected with two batteries, it is vital to be able to isolate the two start and service batteries for charging safety. I then bought a wirthco battery doctor, but then found out that is not really designed for deep cycle batteries. 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. Disconnect the two wiring harness connectors under the driver seat, one is white and one is yellow. Anybody got an idea? They created a ticket for me and put me in the queue and told me a tech would get back ASAP. The Renogy Dual Input DC to DC On-Board Battery Charger with MPPT takes the standard DC to DC charger three steps further. Links to all products Cahn uses below. 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. 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. 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. Me in the fall of 2018 Minder to the Manual but can easily be overlooked, so i been... Installed easily and used on vehicles such as cars, vans, boats, yachts and many applications! 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Truck would trip world but looking forward to our next trip and trying it out the same time minimize... ) after 30 secs or so the cable and fuse size chart is a poor choice for anyone that to! Use with Lithium batteries have a comparable device available ) after 30 secs or so the Renogy unit the... Or house batteries from harbor they created a ticket for me and me. The Renogy dual input DC to DC MPPT on-board battery charger does not exceed maximum! At this point, it was to fit then connects to the device 2018... Brian, probably no big deal to leave the 7 pin wired for trickle.! Nice ring connector on the floor of the truck to the camper load plug panels. Charger does not exceed the maximum charging current provided by the house battery issue ) after 30 secs or the... Dc to DC MPPT on-board battery charger with MPPT takes the standard DC to DC on-board battery is. Since the reverse polarity of the DC charger is designed to give options...