Featuring a 3-stage battery charger and multiple electronic protections, users can feel confident that their batteries are being charged optimally and automatically. Depending on the specifications, the DC-DC may power limit or power increase to output the correct voltage. 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). 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. Check out our UPDATED DC-DC charger review and installation video:https://youtu.be/6nAFz8mF7k8Happy New Year everyone!We took time off over the winter break . 1. 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). 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. Connect + to the Power Distribution Center (PDC) that hangs off the starter battery terminal and add an appropriate size Midi fuse to the PDC. Brian, this is exactly what I am trying to do. The DC-DC will not power on or operate until the D+ ignition cable is connected. I ordered some more #4 welding cable, some more ring connectors, bought a good linemans cutters from Home Depot (to make a clean cut in the #4 cable), as well as ordered a manual hammer crimp tool to connect the ring connectors to the #4 wire. Offers Over-voltage Protection, Over-temperature Protection, and Reverse Polarity Protection to ensure the operation safety. But these tiny wires stay snug without any issue in the WAGO. Not that we're much for new years resolutions, but we're looking forward to hitting the ground running in 2021 - most importantly getting the van done and exploring as much of this beautiful country as we can this year!Because we're building out our Ford Transit in the winter, we're running into problems with less daylight hours, the cold, and the lockdown our province is currently in. Those, Lets say your RV batteries are at 13.6V and your truck batteries are a little low, maybe at 12V. this was something I could handle on my own (with some advice from Eddie, naturally). Bought a 170 lithium battery from renogy 4 months ago and one major issue shows up every-time. The DC-DC battery charger isolates the input and output to prevent voltage transmission errors and interfere with house battery charging. So added a 60A rated relay to cut off the PV input, controlled by the D+ (engine on) feed on my Sprinter W906, so can charge LiFePO4 batteries at 50A from ALT input (need appropriately sized cable from starter battery) when the engine is running. With our current configuration (and PWM solar controller), this is equivalent to even or exceeding the maximum power we can get out of all 7 of our 100watt solar panels collecting energy on a clear sunny day with direct sun. The left terminal is for a positive DC wire. However, I did find that not supplying the BVS which is required but supplying the ignition detection wire that isnt was odd. This controller supports Gel, AGM, Flooded, and Lithium battery, but please make sure to set the correct battery type once it is installed. 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). Similar to what Ray did, we wanted the install to be set up in a way that we have the option to only turn on the DC-DC Charger when we need it. 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. Step 3 : gather the parts and gear needed for the install. If you were going to own the van for 10 years, which would you put in? The battery temperature sensor for DC-to-DC car battery chargers can be purchased at the Renogy store. However, since standard/traditional alternator has a fixed voltage when charging, while smart alternator has a controlled charging output based on operating conditions, it is required to connect the charger to the smart alternator through the Vehicle Ignition Port by the IGN Signal Wire comes with the package. Links to all products Cahn uses below. 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. Its a great MPPT Solar controller/DC to DC battery charger. Question about the 7 pin. How to choose a suitable battery charger? There were several possibilities and ideas of how to accomplish this final connection, but well just detail what solution we tried first, which was the easiest. He then connected the #4 cable to the fish cable and pulled it through to the tail of the truck with little difficulties. Renogy's DC to DC MPPT on-board Battery Charger is designed to give you options! Is it necessary to connect? We were headed from Green River to Moab, UT which is about a 1 hr drive. im outdry camping, but its been cloudy and raining all day this is the very first time I have really had to use my new, i have 4awg wire from my Ford f-150, with a 50amp, when i turn everything on, it works great, and with the truck idling, im getting about 35-40 amps to the, I have only ever used this charger once before, and I was towing it worked just fine and didnt trip the, My best guess is that youre pulling very close to (and maybe slightly over) 50A on the truck side. hi Brian, probably no big deal to leave the 7 pin wired for trickle charge. 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. A DC to DC Charger is designed to charge secondary batteries while driving using the primary battery connected to the alternator. 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. step 15 : Fast forward a couple of days. Renogy's DC to DC charger packs all the same capabilities as any other manufacturer's, at a lower price point. If you have any questions regarding this product, please, More questions about your off-grid power system? The idea here would be, in our case, to connect the on/off wire to the running lights of the truck, so that it would only be active if our running lights were on (either 7pin connected to the trailer OR we jump the 7pin with a fuse). This manual showed me the two connections points I needed to make on pages 245 thru 248, one for 70 amps of power going to my DC to DC charger located in the rear of the van and the other was a small 12v signal wire that is used to turn the DC charger on ONLY while the engine is running. Option: Monitoring Screen for DC-DC MPPT Battery Charger Series, Alternator Input Voltage : Traditional Alternator: 13.2-16VDC Smart Alternator (Euro 6): 12-16VDC". Disconnect the two wiring harness connectors under the driver seat, one is white and one is yellow. Install is pretty simple. These are very reliable connectors (used for things like powering winches and snowplows), have a nice weatherproof cover, and are rated for 50amps of power. This will give maximum battery cell life. What types of battery does the charger support? I went for a photon universe 200w solar panel since Renogy didnt have a comparable device available. 480 watts solar, more than will fit on your small compact roof. At this point, it was WELL PAST happy hour. It also isolates the input and output to prevent voltage transmission errors and interfere with house battery charging. For even more flexibility, we added a portable 100 watt panel in the fall of 2018. CaptainMitch. With multi-stage charging and multi-chemistry See photo 2.3. Everything was connected up and it just works. 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. 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 general quiet and tranquility of being out camping is part of the magic. We are currently on a different sort of adventure, converting a Ford Transit cargo van into our new full-time home on wheels in hopes of exploring North America and conquering more mountains - and hopefully even the Arctic Ocean!Subscribe to the channel for more van life adventures, and check us out on Patreon for behind the scenes, early release ad-free content, and more!__________________Inquires: richandkirsten7@gmail.com Is it necessary to connect? Next up was creating a camper-side connector wire, which would run from the tail of the Truck, along the inside of the A-Frame of the trailer, and terminate inside the camper near the battery compartment, existing inverter, and the soon to be installed DC charger. For additional safety, it isolates the input from the output preventing incorrect voltage transmission. 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. They were just totally overwhelmed, trying their best to have their techs work remote and adapt to the Pandemic workflow. Compatible with a multitude of alternator types, the DC-DC battery charger offers correct charging for AGM, Flooded, Gel, and Lithium batteries. 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. renogy dc to dc battery charger 20a, 40a, 60a Victron has many versions available for 12, 24, and 48 Volts. 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. Why it does this, the lithium battery will take the full 50 amps until it reaches 14.4 volts. 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. Im calling Renogy Monday morning but hoping to figure it out sooner than later. This 20A DC to DC Charger is designed to charge secondary batteries while driving using the primary battery connected to the alternator. For battery settings please refer to the Manual Book on page 12&15. 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. Luckily Eddie had a fancy pneumatic ring crimper, perfect for this #4 wire size. Now it was time to test our setup ! 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. 2. For our style of camping, having only solar power, we are covered for about 90% of the time. 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), 12V 40A DC to DC On-Board Battery Charger, DCC30S 12V 30A Dual Input DC-DC On-Board Battery Charger with MPPT, 1000W 12V to 230V/240V Pure Sine Wave Inverter With English Standard Socket (with UPS Function), 12V 60A DC to DC On-Board Battery Charger, 3000W 12V Pure Sine Wave Inverter Charger w/ LCD, 12V 200Ah Lithium Iron Phosphate Battery w/ Bluetooth, 12V 100Ah Lithium Iron Phosphate Battery w/ Bluetooth, RBC3050D1S Fuse Installation Instructions, Monitoring Screen for DC-DC MPPT Battery Charger Series manual, Operating Temperature Range : -31F~149F / -35C~65C, Dimensions : 9.6 x 5.7 x 3.0 in / 244 x146 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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