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. The RV came with a mechanical solenoid isolator but I believe it was broken. 2. In short, Id suggest youre probably better off with a higher rated. UPDATE Feb 27th, 2020 - I decided to buy myself a Renogy DC-DC charger meant for the task. 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. this was something I could handle on my own (with some advice from Eddie, naturally). Just the 7 pin trailer connections. Attach connector plug to the tailgate of the Truck. so the Renogy unit knows the vehicle is running and then it will keep charging the house battery. update 6/12/2020 : sure wish I had found this guys blog sooner ! On the negative, only the two negative marker wires where cut, as well as the negative tiny wire to the TPMS. And what the heck does that mean ? This is what will connect to the newly installed truck Source side Anderson plug. 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. With RJ45 communication port featured, you can unlock monitoring features exclusively using theBT-2 Bluetooth Moduleand Renogy DC Home App, control and monitor the device remotely through your phone in real time. 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. Renogy DC-DC Chargers support a variety of battery types and, depending on the charger, it operates while driving or stationary in order to maximize your off-grid lifestyle. Because that ground wasnt available, the unit just wouldnt turn on. Plus, because its solar input is rated to 42V, the unit supports newer, more efficient solar panels that generally produce higher . 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. 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). Renogy's DC to DC MPPT on-board Battery Charger is designed to give you options! However, these batteries cost about $900 each ! that its not really going to move much current. Meaning your panel array can be much larger when using the NLDC-40. 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. Compatible with a multitude of alternator types, the DCC12 offers correct charging for AGM, Flooded, Gel, and even Lithium deep cycle batteries! Check out Rays video on this subject at this point of the video linke : https://youtu.be/ww_4yhQPGwY?t=643 . Due to afternoon shade and an AC-power heavy dinner (toaster oven, microwave) and heavy use of the 3 DC fans in the camper (it was 93F), we brought our Battle Born batteries down to 54% after morning coffee and a toasted bagel. yowza. 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. They take the voltage and current of the input and transform it to a usable voltage/current for the output. The DCC12 Series battery chargers are the most effective way to charge your auxiliary or house batteries from the alternator/starter battery. What is the D+ Ignition cable? 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. Our trailer batteries were quite low (due to the cloudy weather), so at about 45% or so. Polycrystalline panels are cheaper, but they are also less efficient. Considering this when calculating cable sizes will avoid voltage drop and overheating complications. 3. SW5 switch is the selection switch for switching between lead-acid batteries and lithium batteries. 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. Thanks. 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. See photo 3.4. Please note the D+ Ignition Cable is not included. Their app is easy to use and understand so I am happy with my choice of purchase. Renogy's 12V DC to DC On-Board Battery Charger 6 Gauge Ring Terminals Heat Shrink Split Loom Flex 201/2" Machine Screws 20 Lock Nuts Rubber Splicing Tape Vinyl Insulation Tape Crimp Tool Step-1 Inspect The Goods Straight out of the box, a quick look at the battery charger reviled a questionable burn mark on the power terminal! SUCCESS ! Required fields are marked *. We decided to try a DC-DC charger from Renogy. Protect Your Starter Battery I had always wanted to connect our Trailer TPMS signal booster to a running light power, so that we didnt have to remember to connect it each time we were towing. 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 The VSR also ensures reliable isolation between the starting battery and service battery, avoiding charging interference. We recently reviewed some of their 100-watt, 12-volt solar panels, and we were impressed.So we were eager to find out whether the Renogy DCC50S 12V 50A DC Board Battery Charger meets that standard.. We just played phone tag, then email tag (with brief, non-answers to my questions). Totally demoralizing after a long 6-7 hour overall project effort. What types of battery does the charger support? 3-phase MPPT Charging Technology 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. Luckily, there was an existing ground which Eddie could re-use, right under the tail. 3. The LC wire can automatically adjust the charging current to prevent excessive charging current from damaging 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. I screwed down the DC unit to the wood blocks which Eddie had already connected to the Camper floor. If you have any questions regarding this product, pleasesubmit a case. This controller supports Gel, AGM, Flooded, and Lithium battery, but please make sure to set the correct battery type once it is installed. See photo 1.2. 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. It allows me to charge my batteries with proper multi-stage charging by both my alternator AND solar panels. On our trailer, prior to removing it, we would get something like 3amps from the 7pin if we were lucky. 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). Then connect a new short #4 wire from the breaker to the terminal fuse on the positive terminal on the Truck battery. 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%. 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. hi there sorry for the slow response. Anybody got an idea? This diagram shows the whole connection of the DC-DC On-Board Battery Charger. 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). It came with a positive / negative alligator clip that you can just connect to your battery. 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. In my latest RV mod, I install a high amperage 30A 12VDC port into the bed of my 2018 Ram 3500 pickup truck. 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. 5. Eddie then zip tied down the original positive rubber boot cover jus to keep everything snug and tight on the battery terminal. Its possible that setup would work, but in our case the 7-pin isnt connected to our trailer battery. While your vehicle's alternator prioritizes your starting battery, this unit will allow your solar system to charge your service battery first! This Renogy DC-DC battery charger is compatible with traditional and smart alternators. Is it necessary? This can be configured to do just that. Below is a proud Eddie, and his new Load side Anderson connector. 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. Following that install, weadded another 200 watts in april 2018. 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. The charger is overheating in Scotland in Mid winter and where the charger sits its about 15c and it has plenty of air. Special thanks to the hard work of Eddie Glonek of Mobile Homestead Solar Services as usual. The smart edition is able to be connected to your phone through Bluetooth so you can manually program it. Featuring a 3-stage battery charger and multiple electronic protections, owners can feel confident that their batteries are being charged optimally and automatically. CE certification. document.getElementById( "ak_js_1" ).setAttribute( "value", ( new Date() ).getTime() ); im out at Hartman Rocks, just outside of Gunnison, CO. I anchored these to the wall so there would be no real stress points and tested all connections. 4. 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. 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