I appreciate Eddie explaining ( a few times ) , the exact steps Id need to do to finish this one on my own. The DC-DC will not power on or operate until the D+ ignition cable is connected. They created a ticket for me and put me in the queue and told me a tech would get back ASAP. For even more flexibility, we added a portable 100 watt panel in the fall of 2018. The DC-DC Battery Chargers are the most effective way to charge your house batteries from the starter battery. I now have to order that part in order of the above item to work more precisely. Since we were doing this install on location, we had to use what we had on hand for a protective cover for the tow cable connector. 18-16AWG copper cable recommended. 1. The DC-DC battery charger isolates the input and output to prevent voltage transmission errors and interfere with house battery charging. B2B chargers are hands down the best way to charge if you drive regularly IMO. 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. 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. 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. Anybody got an idea? How to choose a suitable battery charger? 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. Renogy you need to have active cooling like a small inbuilt fan to fix the overheating? For boats, the DC to DC charger will be plugged into a dockside outlet for use when the boat is in port. DCC50S 12V 50A DC-DC On-Board Battery Charger with MPPT(New Version). 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. Might be similar to. CE certification. I had seen Ray over at Love Your RV do this upgrade on his 5th wheel, so we were hoping to do the same. 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. It's the smart way to keep yourself fully charged and off-grid longer! Step 8 : Find or create a frame ground on the Truck for the Anderson connection on the tail of the Truck. 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. This took way longer than I had hoped, mainly because I had never used a hammer crimper before. step 14 : Well, our travel plans were such that we had to get on the road, even though this install wasnt done. These types of systems are not new, and actually quite common in drivable RVs, but I will be describing this in terms of a towable camper. 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. Posts: 8. But these tiny wires stay snug without any issue in the WAGO. 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. 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: . Please allow up to 1 to 2 business days for processing and 3 to 5 business days for shipping. Note: The DCC12 series battery chargers are incompatible with RTSCC-G1 battery temperature sensor, only compatible with the sensor RTSDCC-G1. Thats getting very close to your. This is what will connect to the newly installed truck Source side Anderson plug. 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). 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. CE certification. Following that install, weadded another 200 watts in april 2018. Both ways can be charged at the same time to minimize charging time. What is its purpose? Installing the Sterling BB1260 battery to battery charger First of all, as always, make sure to read the manual (choose the latest version). While your vehicle's alternator prioritizes your starting battery, this unit will allow your solar system to charge your service battery first! Do not reverse the polarity since the reverse polarity of the battery connections can cause injury and damage to the device. 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. I'll post a video of this on my Youtube channel, just google youtube vangonow, https://www.youtube.com/channel/UCqYGzyL-IjKkQRi2IDnbGIw. DC-DC are used in 2 x battery systems where the starter battery charges the house battery to 100% in vehicles or boats. 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. This one took a few more steps to complete after the fact than normal. Bought a 170 lithium battery from renogy 4 months ago and one major issue shows up every-time. Charger then connects to two 12V 35aH solar AGM batteries from harbor . Thanks for the update. These guys are RV upgrade masters, and although their installs are relatively recent, it seems they are happy with the Renogy charger. 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). DC-DC Chargers are essential components for properly charging and maintaining your second battery bank in your dual battery bank system. and charging drops to 6A then back up to 46A every few seconds. 12V 20A DC to DC On-Board Battery Charger. Meaning your panel array can be much larger when using the NLDC-40. Offers Over-voltage Protection, Over-temperature Protection, and Reverse Polarity Protection to ensure the operation safety. 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. 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 So I chopped the alligator clips, and these wires had an impossibly small #20 wire. 04-23-2021, 10:00 PM. This Renogy DC-DC battery charger is compatible with traditional and smart alternators. 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. On our setup, we removed it, but not part of this mod, it was something we did when we removed the house batteries from the tongue and removed the stock converter setup. We have room in our battery compartment for another battery, so this would be an easy modification. Brian, this is exactly what I am trying to do. In short, Id suggest youre probably better off with a higher rated. Depending on the specifications, the DC-DC may power limit or power increase to output the correct voltage. The D+ Ignition cable is a design method used to identify whether the generator is started. SO this means, it will never enable unless we turn ON the breaker, under the hood of the truck. We thought, how about a section of hose ? Please note the D+ Ignition Cable is not included. This Renogy DC-DC On-Board Battery Charger with MPPT was specially die-cast aluminum designed for efficient and ZERO dB noiseless heat dissipation. A RedArc 1240D can do 40 Amps. 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. BTW this mod is working great, when we need it, it really fills up our lithium batteries quickly. 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. This was his first time installing a DC-DC charger in a towable camper, but he was up for it. On-board chargers can be installed easily and used on vehicles such as cars, vans, boats, and more. This will give maximum battery cell life. Eddie recommended the following gear, which we mostly bought from Northern Arizona Wind and Sun (highly recommended retailer!) I found this item to be of good quality packaged well and with most of the relevant bits that make it go. 2. 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 It is able to charge: Flooded, Gel, AGM, and Lithium batteries using multi-stage charging. 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. The compact and robust design makes it suitable for all conditions. The battery temperature sensor for DC-to-DC car battery chargers can be purchased at the Renogy store. 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. yowza. Luckily Eddie had access to a fish wire, which easily passed through the channel. # 1. The DC-DC battery charger isolates the input and output to prevent voltage transmission errors and interfere with house battery charging. This controller supports Gel, AGM, Flooded, and Lithium battery, but please make sure to set the correct battery type once it is installed. step 10 : connect the long #4 wire from the tail of the truck to the breaker in the engine compartment. This implies that various levels are employed while the battery charges. 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 D+ Ignition Cable is not included. We checked that we had good current coming in to the input side of the unit, that was working properly. 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. 5. Lift off the seat, its heavy, I just sat it on a crate positioned between the two seats.5. See photo 2.3. Renogy is a well-known manufacturer of power systems. I solved this problem by installing a switch to isolate the solar when driving and in this way the alternator side produces and charges at 50 amps. Managing and monitoring your energy easily and remotely in any scenario and situation. 4. 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 . Offers Over-voltage Protection, Over-temperature Protection, and Reverse Polarity Protection to ensure the operation safety. Featuring a 3-stage battery charger and multiple electronic protections, owners can feel confident that their batteries are being charged optimally and automatically. What will happen if the service battery is fully charged? However, I did find that not supplying the BVS which is required but supplying the ignition detection wire that isnt was odd. 3-phase MPPT Charging Technology 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. Pre-Drilled Holes for Easy Installation - Renogy solar panels are equipped with back frame and ground mounting holes, ready for installation. 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. Attach connector plug to the tailgate of the Truck. Eddie and I thought it was indeed possible that the specific unit we installed could have been faulty, we had no way of knowing. It also isolates the input and output to prevent voltage transmission errors and interfere with house battery charging. 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) Winnebago Camper. 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. Eddie then connected the DC positive wire from the green terminal left connector, to a test DC positive on our batteries and. My connections were not up to Eddie standards, but, the connections are solid, and I was able to cover all my mistakes up with heat shrink tubing, so hopefully Eddie wont laugh too hard at me next time he sees my work. Then connect a new short #4 wire from the breaker to the terminal fuse on the positive terminal on the Truck battery. With this in mind, the NLDC-40 features a 600W MPPT solar regulator, unlike the NLDC-25's 375W MPPT. We had followed the instructions as closely as possible. 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. 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. 18-16AWG copper cable recommended. 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