Renogy DCC50S 12V 50A DC Board Battery Charger. They are available on Amazon as well as directly from Renogy. 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. 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. Their app is easy to use and understand so I am happy with my choice of purchase. yowza. This can be configured to do just that. The battery temperature sensor for DC-to-DC car battery chargers can be purchased at the Renogy store. 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. Step 3 : gather the parts and gear needed for the install. (each 100 watt panel can push about 5-6amps of 12 volt power). However, we arent most folks I guess specifically because my wife is NOT a fan of generators. Do not reverse the polarity since the reverse polarity of the battery connections can cause injury and damage to the device. With Pandemic shipping times, I didnt want to wait too long and had it shipped to a future destination a few days into our future itinerary. 5. 3. 2. Well minor issue on a recent trip when we finally really tested this setup. With up to 99% MPPT tracking efficiency and 94% convert efficiency, the charger can fully charge a 1kWh battery within 2 hrs with solar energy. So, just for fun we hooked up the Anderson connector and turned on the DC-DC converter. However, I did find that not supplying the BVS which is required but supplying the ignition detection wire that isnt was odd. This enables the backup battery's charge to be replenished quickly. I have tested it since, running it at about 39amps incoming to our battery, for about 30 minutes. In Theory. The 50A Renogy will be ok, but "might" stress the battery. How to choose a suitable battery charger? 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 1. We thought, how about a section of hose ? 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. Please note the D+ Ignition Cable is not included. 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. Anybody got an idea? 2. update 9/4/2021 : we have changed our tow vehicle to a F-150 Powerboost. This is how Ray at Love Your RV did his install, and it seemed to work just fine for him. 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). Biases to solar power when it is available. Since we had plans to head down to Arizona in late April 2020, I hit up Eddie Glonek of Mobile Homestead Solar Services to see if he was available to do this install for us. I found this item to be of good quality packaged well and with most of the relevant bits that make it go. 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. 18-16AWG copper cable recommended. See photo 1.2. hi Jim, thanks for reading. The LC wire can automatically adjust the charging current to prevent excessive charging current from damaging the house battery. SW5 switch is the selection switch for switching between lead-acid batteries and lithium batteries. Renogy's DC to DC MPPT on-board Battery Charger is designed to give you options! Why do we need Smart DC-DC chargers? To get 40A @ 13.6V (544W) youd need 47.3A @ 11.5V. 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. Question about the 7 pin. As a bonus it can be reduced to half power if full output is not required (like for example the first few minutes after engine start with a timer relay). Why it does this, the lithium battery will take the full 50 amps until it reaches 14.4 volts. 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. However, these batteries cost about $900 each ! This diagram shows the whole connection of the DC-DC On-Board Battery Charger. Ive tried connecting the D+ directly to TT battery but same thing. While your vehicle's alternator prioritizes your starting battery, this unit will allow your solar system to charge your service battery first! It is able to charge: Flooded, Gel, AGM, and Lithium batteries using multi-stage charging. See photo 4.7. 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. 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. Naturally, we needed the 40amp DC-DC charger. Removable side covers avoid contact between product terminals and the human body during transportation and daily use, which results in electrostatic damage, ensuring product stability and safety. 2. Polycrystalline panels are cheaper, but they are also less efficient. Location Make sure to install the B2B charger in a well vented space, and do not obstruct the hot air exhaust: Wiring and Electrical The Terminal fuse protects the wire from the battery to the breaker, then the breaker protects the wire run along the length of the truck. 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. We looked at the instructions a few more times, even searched for a more recently updated version of the instructions as a pdf (in case ours were out of date). 1. I have dealt with Renogy Customer Service in the past, and they were very responsive. 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. If the solar is producing any power at all - it splits the charging capability equally between the two sources. Love it. Once you have read up on how we added a Renogy DC-DC charger to our travel trailer, check out a few of our other posts about the other upgrades we have done: better cellular connectivity when you are in the middle of nowhere and need to work, why we chose lithium batteries and why we love them, lots of other upgrades we have done to our travel trailer. update : In October 2020 we added yet another 275 watts for solar, as well as another 100ah Battleborn battery for a total of 300ah. I picked the 40 amp model . +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. Renogy's DC to DC MPPT on-board Battery Charger is designed to give you options! 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. This Renogy DC-DC battery charger is compatible with traditional and smart alternators. Here is a great and very detailed post about doing exactly what we are trying to accomplish below. so would be 45 amps from the alternator and 5 from the solar making up the 50 amps. We decided to try a DC-DC charger from Renogy. I would like to see the charger use an algorithm when driving, so it measure the solar output which would gain what ever it needs from the alternator. This diagram shows the whole connection of the DC-DC On-Board Battery Charger. These guys are RV upgrade masters, and although their installs are relatively recent, it seems they are happy with the Renogy charger. Brian, this is exactly what I am trying to do. This Renogy DC-DC On-Board Battery Charger with MPPT was specially die-cast aluminum designed for efficient and ZERO dB noiseless heat dissipation. The DC-DC battery charger adopts the design of the DIP switch and it provides 6 charging voltage settings through five gears. 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%. This design method can well prevent the starting battery from being over-discharged during the charging process. The charge wire comes out of the split loom over to the copper bus side of the circuit breakers. Click here for prices on amazon.com victron orion tr smart dc to dc battery charger Get Started With Off-Grid Solar Power 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. We had several days of heavy cloud cover, mist and steady rain while staying at Hartman Rocks near Gunnison, CO. 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. It came with a positive / negative alligator clip that you can just connect to your battery. This side of the DC Charger is the outgoing power, which connects to the camper batteries. If you get that working let me know so I can post an update. It's the smart way to keep yourself fully charged and off-grid longer! So far I've installed a BMV-712, a 100/20 MPPT Solar controller and an Orion-TR Smart 12/12 30amp DC-DC charger. Of course, this step got repeated a few times on the cabling on the Truck and inside the camper, just showing his current method. Step 5 : make a nice ring connector on the engine end of the #4 wire. I put the question out to Matt of the awesome adventurousway.com, why do you need a fuse on battery and a circuit breaker both? Easily install the compact yet sturdy DC-DC battery charger on RV's, commercial vehicles, boats, yachts, and many more applications! 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. If you were going to own the van for 10 years, which would you put in? If you have any questions regarding this product, pleasesubmit a case. Please refer to the manual on page 15 for Battery Type LED. Considering which equipment to buy I downloaded instruction manuals from various manufacturers and found Renogy was the most straightforward to understand so I bought from them an ac-dc charger, a lithium battery, the dc-dc DCC50S with a BT2 and a 1000w inverter. 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.. 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. Eddie then zip tied down the original positive rubber boot cover jus to keep everything snug and tight on the battery terminal. 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. This controller supports Gel, AGM, Flooded, and Lithium battery, but please make sure to set the correct battery type once it is installed. Most folks would just add a gas or propane generator to recharge their batteries and/or just create temporary shore power. After flying back home, we were not ready to give up our new lifestyle yet, so we bought a minivan, converted it into a DIY minivan camper, and drove across Canada in search of beautiful campsites and stunning mountains to climb. This wire will handle up to 45A and reasonably hot temps inside the engine bay. Thanks. Pass the two #4 wires through the floor of the camper into the battery compartment. 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. Check out Rays video on this subject at this point of the video linke : https://youtu.be/ww_4yhQPGwY?t=643 . A DC to DC Charger is designed to charge secondary batteries while driving using the primary battery connected to the alternator. The key components of a solar van installation are: Solar panels: Solar panels come in two main types: monocrystalline and polycrystalline. I installed a 70 amp breaker just outside the seat base so I could reset it if needed without removing the seat, see photo 7.10. I verified that, even IF the DC Charger has its red DC ON wire connected to power, the unit will NOT turn on, unless it has incoming DC power. 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. When connecting the charger and the battery, make sure the battery poles are clean when connecting the terminals, select a sufficient cross-section for the connection cable, tighten the nuts and bolts with proper torque as loose connections may cause overheating. Winnebago Camper. If the battery charger is connected to the starting battery and solar panels at the same time, the maximum input current will be 15A for each; if the battery charger only connects one of the two DC inputs, the maximum input current will be 30A. That seems to happen regularly on newer alts., so you need the signal wire attached to the D+ wire of the alt. and.. As you can see, the green light above the dip switch was on, indicating the DC unit was charging the batteries, and below, in my TM-2030 Wifi output to the Battery Monitor, it was showing 40amps coming in from the truck, into our camper batteries !! Please allow up to 1 to 2 business days for processing and 3 to 5 business days for shipping. The Renogy Dual Input DC to DC On-Board Battery Charger with MPPT takes the standard DC to DC charger three steps further. 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. Im calling Renogy Monday morning but hoping to figure it out sooner than later. If you have any questions, please contact us in time. Featuring a 3-stage battery charger and multiple electronic protections, users can feel confident that their batteries are being charged optimally and automatically. 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 dc to dc battery charger 20a, 40a, 60a Victron has many versions available for 12, 24, and 48 Volts. The charger needs to select the charging mode according to the battery voltage. This is clearly not a problem when you're parked (not running your engine) or driving at night - no solar. The Renogy is $130 less. Step 6 : pull the #4 wire through the frame channel. 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. Then connect a new short #4 wire from the breaker to the terminal fuse on the positive terminal on the Truck battery. Those, Lets say your RV batteries are at 13.6V and your truck batteries are a little low, maybe at 12V. Lets say your RV batteries are a little low, maybe at 12V and so... Diagram shows the whole connection of the split loom over to the camper batteries step 6: the! Multiple electronic protections, users can feel confident that their batteries are a little low, at... My wife is not a problem when you 're parked ( not running your engine ) or driving at -. 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