renogy dc to dc charger installation

CaptainMitch. Eddie then connected the DC positive wire from the green terminal left connector, to a test DC positive on our batteries and. I wanted something which could be a simple current limited charger for a LFP battery and yet only be on if the alternator was running (D+). This controller supports Gel, AGM, Flooded, and Lithium battery, but please make sure to set the correct battery type once it is installed. This Renogy DC-DC On-Board Battery Charger with MPPT is compatible with both traditional and smart alternators. 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. Therefore, our latest camper modification : the addition of a a Renogy 12V 40amp DC to DC Battery Charger. 1. It's the smart way to keep yourself fully charged and off-grid longer! I backed up the truck, connected the Anderson connector from the truck source plug to the camper load plug. 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. The Renogy DC-DC Battery Charger with unique dual charging options. This side of the DC Charger is the Incoming power from the hose connector, the two #4 cables that run out of the camper, along the frame, and can be connected to the Truck-side Anderson Connector plug. side note I never really ever got to talk to a Renogy tech. I've only got 125 watt solar panel and the best I ever see is about 7 amps. Naturally, we needed the 40amp DC-DC charger. This enables the backup battery's charge to be replenished quickly. Option: Monitoring Screen for DC-DC MPPT Battery Charger Series, Alternator Input Voltage : Traditional Alternator: 13.2-16VDC Smart Alternator (Euro 6): 12-16VDC". Special thanks to the hard work of Eddie Glonek of Mobile Homestead Solar Services as usual. Offers Over-voltage Protection, Over-temperature Protection, and Reverse Polarity Protection to ensure the operation safety. Our truck has a 215amp alternator, and according to Renogys Customer Service Techs, that is more than enough power to run even the 60ah DC-DC charger. 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. just something to consider. Renogy's DC to DC MPPT on-board Battery Charger is designed to give you options! Below is a proud Eddie, and his new Load side Anderson connector. The RV came with a mechanical solenoid isolator but I believe it was broken. These six charging voltages meet the requirements of lithium batteries and lead-acid batteries in order to provide more charging options. Eddie and I thought it was indeed possible that the specific unit we installed could have been faulty, we had no way of knowing. 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. 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). Well post some feedback once we use it ! The LC wire can automatically adjust the charging current to prevent excessive charging current from damaging the house battery. Step 6 : pull the #4 wire through the frame channel. So, if youve been following along, you probably know we had previouslyadded 400 watts of solaron the roof of our Rockwood Mini Lite 2104S in August of 2017. Please note the LC cable is not included. The general quiet and tranquility of being out camping is part of the magic. These guys are RV upgrade masters, and although their installs are relatively recent, it seems they are happy with the Renogy charger. The DC-DC battery charger is installed between the starter battery and the house battery. This is a great piece of kit that is very easy to wire up. Pre-Drilled Holes for Easy Installation - Renogy solar panels are equipped with back frame and ground mounting holes, ready for installation. 1. 18-16AWG copper cable recommended. and charging drops to 6A then back up to 46A every few seconds. This will give maximum battery cell life. Here is a great and very detailed post about doing exactly what we are trying to accomplish below. 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 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. Renogy's DC to DC MPPT on-board Battery Charger is designed to give you options! 3-phase MPPT Charging Technology 3. This is true of any DC-DC charger, not just Renogy. 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. / 1.3 kg Equalization Voltage: N/A Float Voltage: 13.2-13.8v Boost Voltage: 14.1-14.7v Operating Temperature: -20C to +50C If the Alt. Renogy is a well-known manufacturer of power systems. Check out our inital tests on how to run the Camper on 30amp service from the truck and how to recharge our batteries. 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. Make sure that the plug cannot tough the post by pushing it down out of the way. 1. step 11 : slippery silliness ! Show more Show more Show chat. Renogy's DC to DC MPPT on-board Battery Charger is designed to give you options! 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. But, if you drive in the daylight your solar might only be producing a few amps and yet you alternator will only be able to charge at 25 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 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: . One simple way for us to solve this issue would be to just add a third BattleBorn Lithium battery. 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. 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. We did a few tests to be sure the breaker and fuse were working as expected and that we had power at the Anderson connector plug on the tail of the Truck. 1. 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. If Renogy added this already, or adjusted the charging algorithm to accommodate such scenario (low PV power) it would be perfect. 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. 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. Bluetooth Monitoring Ready! Option: Monitoring Screen for DC-DC MPPT Battery Charger Series. If you have any questions regarding this product, pleasesubmit a case. 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. 2. 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. I also test out using an old Bogart SC2030 solar charge controller I have laying around for alternator charging. 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. Required fields are marked *. It allows me to charge my batteries with proper multi-stage charging by both my alternator AND solar panels. Installing your own DC-DC Charger at home is actually incredibly simple when you follow this easy step-by-step guide! Luckily Eddie had a fancy pneumatic ring crimper, perfect for this #4 wire size. 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. I had seen Ray over at Love Your RV do this upgrade on his 5th wheel, so we were hoping to do the same. Charger then connects to two 12V 35aH solar AGM batteries from harbor . 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 went with a 40amp model, but they also make them in 20 and 60amp. I needed a reliable DC to DC charger with solar input which had a maximum battery input of 50 amps. 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). 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. here is a closeup of the anderson connector on the tail of the Truck (source) and the trailer side (load) the garden hose connector. A DC-DC charger is, by its nature, going to limit how many amps it tries to pull from the source. 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. We decided to try a DC-DC charger from Renogy. I anchored these to the wall so there would be no real stress points and tested all connections. 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. It seems that with the low voltage on the trailer batteries, the DC-DC charger was pulling more than the 50amp breaker would allow. Please note the D+ Ignition Cable is not included. It's the smart way to keep yourself fully charged and off-grid longer! We had several days of heavy cloud cover, mist and steady rain while staying at Hartman Rocks near Gunnison, CO. 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. 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! Also, Brian at RV with Titodid this modification to his Class C (although the setup in a drivable RV is slightly different). To get 40A @ 13.6V (544W) youd need 47.3A @ 11.5V. Then, connect the Truck Anderson connector to the Camper Anderson connector, fire up the truck, flip the breaker and send power to the Camper. This Renogy DC-DC battery charger is compatible with traditional and smart alternators. Renogy's DC to DC MPPT on-board Battery Charger is designed to give you options! 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. 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. This guy Matt at Adventurousway.com has some great info ok on with the show ! There are three different locations that we recommend installing fuses or breakers: Between the charge controller and battery bank Between the charge controller and solar panels Between the battery bank and inverter 1-Between the charge controller and battery bank 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. Remove the (4) seat bolts at each corner of the base of the seat. 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. step 9 : terminate the positive and negative #4 wires with the Anderson connector ends, add Anderson plug and rubber boot. +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. 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. The Renogy is $130 less. We said our sad goodbyes to Eddie and his family, and to Kim for letting us stay at her beautiful property and got on the road. 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. 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. 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. This implies that various levels are employed while the battery charges. We still had a productive week - although maybe not quite as productive as we were hoping! The D+ is going to my running lights on my TT after the 7-pin connector. 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. Very happy so far. Key Features Stage 1: Boost- this offers the greatest voltage possible when charging a depleted battery. Step 1 :be sure that we have an alternator in our 2017 Ford F-150 that can handle the extra power that we are trying to send over to the camper. We were headed from Green River to Moab, UT which is about a 1 hr drive. I went for a photon universe 200w solar panel since Renogy didnt have a comparable device available. 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). 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%.

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