It also isolates the input and output to prevent voltage transmission errors and interfere with house battery charging. May give you a start on finding it. 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. 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). You can get a decent 2000 watt generator for about $700-900. Just adding another 100ah battery would probably be enough to get us through an extra one to three additional days of no solar. SUCCESS ! 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. 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. Hey guys, so I've been meaning to figure out how to properly have my alternator charge my house batteries. CaptainMitch. 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. Well post some feedback once we use it ! If the solar is producing any power at all - it splits the charging capability equally between the two sources. Step 7: mount the breaker to the Truck compartment, and pull the new #4 wire for connection to the breaker. To get 40A @ 13.6V (544W) youd need 47.3A @ 11.5V. I am experiencing the same problem for my 2.0 amp Renogy charger no green light. 3. 3. 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. Connecting to the DC+ lug for a light power source that is only powered when the engine is running. 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). And what the heck does that mean ? update 6/12/2020 : sure wish I had found this guys blog sooner ! 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. We had followed the instructions as closely as possible. If you have any questions regarding this product, please, More questions about your off-grid power system? 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. 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. 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.). For battery settings please refer to the Manual Book on page 12&15. 50A DC DC Board Battery Charger with MPPT Renogy 20/40/60A DC to DC Battery Charger Rover 20/30/40/60/100 Amp MPPT Charge Controller Rover Elite 20/40A MPPT Solar Charge Controller 40A Set w Holder ANL Fuse, 40 amp (40A ANL Fuse Set w/Fuse) Renogy One All-in-One Smart Panel System Energy Monitoring ; Nominal System Voltage : 12V DC : 12V DC This diagram shows the whole connection of the DC-DC On-Board Battery Charger. 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. 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. Disconnect the main battery - This wasn't so easy, there is a small (5\" x 5\") plastic cover to the right of the accelerator pedal, pull it from the top and then pull up hard, its not easy bu t it comes off. Make sure that the entire system is a 12V system, 2. Love it. Instead of burning lots of #4 cable to run both a positive and negative, wed just run the positive from the battery, then use the frame as the negative return. For additional safety, it isolates the input from the output preventing incorrect voltage transmission. 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. Renogy is a well-known manufacturer of power systems. so would be 45 amps from the alternator and 5 from the solar making up the 50 amps. 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. After install I received a dash light for . 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 The new Orion-Tr Smart DC-DC charger is designed for use in dual battery systems in vehicles or boats, where the (smart) alternator and the start battery are used to charge the service battery. Your email address will not be published. that its not really going to move much current. It also isolates the input and output to prevent voltage transmission errors and interfere with house battery charging. 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. If you get that working let me know so I can post an update. Eddie added some scrap wood and drilled it to the floor of the camper, right next to the Inverter. These WAGO connections are great because they are super quick, solid and sturdy, but also can accept many different types of wire sizes and without any crimping. 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. Pre-Drilled Holes for Easy Installation - Renogy solar panels are equipped with back frame and ground mounting holes, ready for installation. Option: Monitoring Screen for DC-DC MPPT Battery Charger Series. Easily install the compact yet sturdy DC1212 on RVs, commercial vehicles, boats, yachts and many more applications! 18-16AWG copper cable recommended. So far I love it and can highly recommend. Special thanks to Matt for helping us out ! 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. See photo 1.2. However, these batteries cost about $900 each ! hi Jim, thanks for reading. Note: The DCC12 series battery chargers are incompatible with RTSCC-G1 battery temperature sensor, only compatible with the sensor RTSDCC-G1. 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. renogy dc to dc battery charger 20a, 40a, 60a Victron has many versions available for 12, 24, and 48 Volts. 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 left terminal is for a positive DC wire. Please note the D+ Ignition Cable is not included. That seems to happen regularly on newer alts., so you need the signal wire attached to the D+ wire of the alt. 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. 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. 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. An external fuse is required for installation. Do not reverse the polarity since the reverse polarity of the battery connections can cause injury and damage to the device. If the Alt. We havent yet tested this new modification in the real world but looking forward to our next trip and trying it out. Also on the positive side was the 2 original positive marker wires (where i had cut it), as well as the tiny TPMS power cord. 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. Im calling Renogy Monday morning but hoping to figure it out sooner than later. What is the D+ Ignition cable? Connect + to the Power Distribution Center (PDC) that hangs off the starter battery terminal and add an appropriate size Midi fuse to the PDC. 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. We had the opportunity to test our setup yesterday. 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%. If you have any questions regarding this product, pleasesubmit a case. These six charging voltages meet the requirements of lithium batteries and lead-acid batteries in order to provide more charging options. DC-to-DC charger. Ive tried connecting the D+ directly to TT battery but same thing. If you have any questions regarding this product, please submit a case ! Nowadays, they are getting cheaper and more reliable. Stage 1: Boost- this offers the greatest voltage possible when charging a depleted battery. Thats getting very close to your. 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. Renogy DC-DC On-Board Battery Charger has multiple intelligent protections includes 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. These six charging voltages meet the requirements of lithium batteries and lead-acid batteries in order to provide more charging options. Its possible that setup would work, but in our case the 7-pin isnt connected to our trailer 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. 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. 2. 04-23-2021, 10:00 PM. This diagram shows the whole connection of the DC-DC On-Board Battery Charger. Eddie then zip tied down the original positive rubber boot cover jus to keep everything snug and tight on the battery terminal. The RV came with a mechanical solenoid isolator b. This is stated in the manual but can easily be overlooked, so the cable and fuse size chart is a good reference point. Also note, I increased the breaker amps in a subsequent edit to this post. 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