Please allow up to 1 to 2 business days for processing and 3 to 5 business days for shipping. 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. 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. 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. Question: can I use a smaller gauge wire like a an 18 gauge wire instead of a hes y 4 g cable? 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. 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.). 2. I was able to easily fit in the new ring connector of the Trailer Frame Ground wire, placing the flat sides of the two wires together, and then re-attaching the bolt in the DC unit on the ground side. 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. 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. Eddie then connected the DC positive wire from the green terminal left connector, to a test DC positive on our batteries and. Please note the temperature sensor is not included and it cannot use with Lithium batteries. To our surprise, upon arrival in Green River, after charging for only 1 hour, our 200ah battery was charged from 54% to 100% ! Your email address will not be published. Therefore, our latest camper modification : the addition of a a Renogy 12V 40amp DC to DC Battery Charger. What types of battery does the charger support? I use a small fan to help it stop overheating. Thanks. Well after having this fitted for just over 2 weeks I can honestly say how easy it was to fit. 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+). 4. Do not reverse the polarity since the reverse polarity of the battery connections can cause injury and damage to the device. The Renogy is $130 less. 3. Its a great MPPT Solar controller/DC to DC battery charger. 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). The charger will overheat and go into error 6 mode when driving using the alternator. 1. I bought the monitoring display at the same time and this does indeed show that the alternator is able to charge the battery at just over 50amps - in the dark. Get about 46A (40 from DC-DC and 6A from 7-pin. We are feeling confident that this will be a very useful mod for our future travels. This side of the DC Charger is the outgoing power, which connects to the camper batteries. Renogy's DC to DC MPPT on-board Battery Charger is designed to give you options! Well minor issue on a recent trip when we finally really tested this setup. It came with a positive / negative alligator clip that you can just connect to your battery. CaptainMitch. 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. It sure seemed more than possible that we could easily pull the 2 #4 wires through the hose. Also it seems like not alot of folks have the power and heated seats so there wasn't much info on wiring bit. Just the 7 pin trailer connections. This system works very well for our needs, but has one major weakness : lack of sun. The Renogy hides the input cables and uses posts to connect the ca. Managing and monitoring your energy easily and remotely in any scenario and situation. This Renogy DC-DC battery charger is compatible with traditional and smart alternators. Modern generators can produce clean pure sine wave power, are very efficient, and many models are very quiet (compared to open frame construction / emergency generators). 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). This battery charger is compatible with both traditional and smart alternators. 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. I also test out using an old Bogart SC2030 solar charge controller I have laying around for alternator charging. It also isolates the input and output to prevent voltage transmission errors and interfere with house battery charging. Is it necessary to connect? The D+ Ignition cable is a design method used to identify whether the generator is started. 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. Make sure that the entire system is a 12V system, 2. And what the heck does that mean ? This multi-stage, multi-input battery charger can charge the house battery from a starter battery linked to the car alternator or by utilizing solar panels connected directly to the unit. Offers Over-voltage Protection, Over-temperature Protection, and Reverse Polarity Protection to ensure the operation safety. With only 244mm in length, 145mm in height, and 1.42kg in weight, Renogy DC-DC On-Board Battery Charger is ready to be installed and adapt to any tiny narrow installation space, resolving your concern from limited room in your vehicle. The 50A Renogy will be ok, but "might" stress the battery. 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. update 6/12/2020 : sure wish I had found this guys blog sooner ! 4. We decided to try a DC-DC charger from Renogy . 1. 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 I anchored these to the wall so there would be no real stress points and tested all connections. This is clearly not a problem when you're parked (not running your engine) or driving at night - no solar. This is what will connect to the newly installed truck Source side Anderson plug. The DC-DC will not power on or operate until the D+ ignition cable is connected. 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. 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. 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. 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%. Thanks for the update. Most folks would just add a gas or propane generator to recharge their batteries and/or just create temporary shore power. 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 . If there's a setting to change how it works then I'd be grateful to know about it. Option: Monitoring Screen for DC-DC MPPT Battery Charger Series. Anybody got an idea? What will happen if the service battery is fully charged? side note I never really ever got to talk to a Renogy tech. Luckily Eddie had access to a fish wire, which easily passed through the channel. May give you a start on finding it. Renogy Dual Input DC-DC On Board MPPT Battery Charger with its built-in VSR allows vehicle owners to enjoy the benefits of fully charged deep cycle service batteries while reliably isolating it to the engine starting battery with one easy-to-install charging system. Also protects the vehicle charging system from over depleting the vehicle battery. The system prioritises solar but in my opinion it would be better if it prioritised the alternator. Also note, I increased the breaker amps in a subsequent edit to this post. Note: Our product department found that there are some errors in the paper manual attached to the battery charger sold before March , and now the manual on the website has been updated. I randomly stumbled upon this and I'm glad I did. 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. Please allow up to 1 to 2 business days for processing and 3 to 5 business days for shipping. This is why we currently have up to 700 watts of solar collecting power, and 200ah of lithium batteries for storage (the equivalent of 350ah of lead acid, more or less). While your vehicle's alternator prioritizes your starting battery, this unit will allow your solar system to charge your service battery first! The model range is suitable for 12V or 24V systems, and both lead acid and lithium batteries. Step 5 : make a nice ring connector on the engine end of the #4 wire. 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. Also would like an option to dual charge [from PV] both starter battery and leisure battery (eg before leisure battery is full) in case static for some time to keep starter battery topped off, but would need dual charging logic (lead acid vs LiFePO4) so maybe a bit much to ask. The wire gauge is so small (like 12g?) 18-16AWG copper cable recommended. In countries like the U where the sun is low or never out at all, you need to add a solar power cut off switch, this will fool the charger in thinking its nigh so will go from 50% 25 amps per 50 mode to 100% mode. See owners manual for more details. 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. For battery settings please refer to the Manual Book on page 12&15. Join Date: Aug 2020. What type of alternator is this on-board battery charger compatible with? A typical installation of a DC-DC charger. 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! Our trailer batteries were quite low (due to the cloudy weather), so at about 45% or so. 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. I will try and ask Eddie if a smaller gauge wire would work. What type of alternator is this on-board battery charger compatible with? 1. 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. This will give maximum battery cell life. Protect Your Starter Battery Much like a Solar Controller, the DC-DC Charger needs to know your battery chemistry as well as the recommended voltage range so that it can properly charge. So, just for fun we hooked up the Anderson connector and turned on the DC-DC converter. 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. 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. How do I set the battery since there is no display screen? I've only got 125 watt solar panel and the best I ever see is about 7 amps. That is, after a few days without consistent sunshine, we have no backup method for recharging our batteries. Renogy DC-DC Chargers support a variety . And with multi-stage charging and multi-chemistry functionality, Renogy's DC to DC MPPT Charger has you covered whether you're using Flooded,Gel,AGM, orLithium batteries. 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: . Eddie suggested giving the cables a good lube with dishwashing soap, so the fat rubber cables would slip nicely through the hose. 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. Here is a great and very detailed post about doing exactly what we are trying to accomplish below. Step 3 : gather the parts and gear needed for the install. 5. The charger needs to select the charging mode according to the battery voltage. 18-16AWG copper cable recommended. Those, Lets say your RV batteries are at 13.6V and your truck batteries are a little low, maybe at 12V. I am trying to see if it ok to have the 7 pin doing the trickle charge and using the DC to DC at the same time. Renogy 30A DC2DC Charger with MPPT - DCC30S 12V 30A DC to DC Battery Charger with MPPT; Bluetooth Module for the charger - BT-2 Bluetooth Module for Renogy Products w/ RS485 Port; 500A Battery Monitor - Renogy 500A Battery Monitor with Shunt; 100A Smart Battery Protect - Smart BatteryProtect - Victron Energy So driving in full sun and an empty battery the best the charger would put in is 32 amps. 2. If you have any questions, please contact us in time. 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. 1. 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 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. 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. This Renogy DC-DC battery charger is compatible with traditional and smart alternators. Please allow up to 1 to 2 business days for processing and 3 to 5 business days for shipping. I needed a reliable DC to DC charger with solar input which had a maximum battery input of 50 amps. Please refer to the manual on page 15 for Battery Type LED. 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 DC-DC battery charger is installed between the starter battery and the house battery. Comes with sturdy compact design, this Renogy DC-DC On-Board Battery Charger with MPPT can be safely and easily connected to any 12-volt system and allows safe operation in any position or portable devices without the worry of incorrect connections or sparks. Pretty good in theory, but it was much much harder to accomplish the cable pull through the hose. Special thanks to Matt for helping us out ! I used some WAGO connectors for both the positive and negative side of this marker light, because I had multiple things I wanted to connect to this marker light power, now that I had it available. This diagram shows the whole connection of the DC-DC On-Board Battery Charger. This took way longer than I had hoped, mainly because I had never used a hammer crimper before. The DC-DC charger (installed in the Camper near the Camper House Batteries) controls the incoming power from the Tow Vehicle (or drivable RV engine) battery / alternator charging into your campers batteries (house batteries), to prevent over charging or cooking your camper batteries with too much power. 18-16AWG copper cable recommended. How to choose a suitable battery charger? CE certification. See photo 5.8. For smart alternator, an IGN Port is featured to connect the Vehicle Ignition for auto-trigger once it detects the vehicle is started. 1. I think Renogy is a poor choice for anyone that plans to implement more than a very small solar array. And now it was time for a test. I know for sure the 4g worked just fine, so Id just go with that. Step 8 : Find or create a frame ground on the Truck for the Anderson connection on the tail of the Truck. Very happy so far. Special thanks to the hard work of Eddie Glonek of Mobile Homestead Solar Services as usual. # 1. Biases to solar power when it is available. The issue : after about 5 minutes, the 50amp breaker on the truck would trip. What is the D+ Ignition cable? So I chopped the alligator clips, and these wires had an impossibly small #20 wire. 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 battery charger is compatible with both traditional and smart alternators. document.getElementById( "ak_js_1" ).setAttribute( "value", ( new Date() ).getTime() ); im out at Hartman Rocks, just outside of Gunnison, CO. The DC-DC battery charger adopts the design of the DIP switch and it provides 6 charging voltage settings through five gears. I had to swivel the seat base in order to get a socket onto the back two bolts. Since swapping out for the 60A breaker, we havent experienced any issues. 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 implies that various levels are employed while the battery charges. See photo 1.2. Do not reverse the polarity since the reverse polarity of the battery connections can cause injury and damage to the device. 3. 12V 40A DC to DC On-Board Battery Charger. Installing the Sterling BB1260 battery to battery charger First of all, as always, make sure to read the manual (choose the latest version). High-quality DC-DC chargers are three-stage chargers. 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. The D+ is going to my running lights on my TT after the 7-pin connector. Ive tried connecting the D+ directly to TT battery but same thing. This high-quality battery charger has multiple intelligent protections including 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. DCC50S 12V 50A DC-DC On-Board Battery Charger with MPPT(New Version). so would be 45 amps from the alternator and 5 from the solar making up the 50 amps. just something to consider. Bluetooth Monitoring Ready! Eddie suggested the Anderson connectors (and boot covers), pictured below, for the connection between the Truck and the Trailer. The smart edition is able to be connected to your phone through Bluetooth so you can manually program it. Meaning your panel array can be much larger when using the NLDC-40. Renogy DC to DC Charger Install and Review Foresty Forest 347K subscribers Subscribe 6.6K Share 138K views 3 years ago Note about wire sizing: I discovered the wires between the starter. Required fields are marked *. If you were going to own the van for 10 years, which would you put in? Bought a 170 lithium battery from renogy 4 months ago and one major issue shows up every-time. Winnebago Camper. Hey guys, so I've been meaning to figure out how to properly have my alternator charge my house batteries. Just adding another 100ah battery would probably be enough to get us through an extra one to three additional days of no solar. Click here for prices on amazon.com victron orion tr smart dc to dc battery charger Get Started With Off-Grid Solar Power What types of battery does the charger support? Posts: 8. 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. She had one priority in regards to energy usage when we were starting our camper journey, which was, above all, she would prefer to not be reliant on using a generator, ever if possible. 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 . This one took a few more steps to complete after the fact than normal. Compatible with a multitude of alternator types, the DCC12 offers correct charging for AGM, Flooded, Gel, and even Lithium deep cycle batteries! step 11 : slippery silliness ! We had followed the instructions as closely as possible. The RV came with a mechanical solenoid isolator but I believe it was broken. 1. Its possible that setup would work, but in our case the 7-pin isnt connected to our trailer battery. The Victron pair you're leaning towards is an excellent choice. 12V 20A DC to DC On-Board Battery Charger. 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). Featuring a 3-stage battery charger and multiple electronic protections, owners can feel confident that their batteries are being charged optimally and automatically. For added safety to personnel, the DCC12 isolates the input from the output preventing incorrect voltage transmission. See photo 4.7. 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. I appreciate Eddie explaining ( a few times ) , the exact steps Id need to do to finish this one on my own. This design method can well prevent the starting battery from being over-discharged during the charging process. The DC-DC battery charger isolates the input and output to prevent voltage transmission errors and interfere with house battery charging. Make sure that the plug cannot tough the post by pushing it down out of the way. 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. It has multifunctional safety technology including over-voltage protection, over-temperature protection, and reverse polarity protection to make it safer for use. here is a closeup of the anderson connector on the tail of the Truck (source) and the trailer side (load) the garden hose connector. 1. Luckily Eddie had a fancy pneumatic ring crimper, perfect for this #4 wire size. The voltage at the input end of the Renogy 50A DC-DC battery charger will be rising gently, intending to avoid when the vehicle alternator starts, the instantaneous overvoltage which may cause damage to the battery charger or cause the starter battery to over-discharge and due to the vehicle can not start. I see no need for an additional large ground cable. 18-16AWG copper cable recommended. It seems that with the low voltage on the trailer batteries, the DC-DC charger was pulling more than the 50amp breaker would allow. Stage 1: Boost- this offers the greatest voltage possible when charging a depleted battery. 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 2. What will happen if the service battery is fully charged? 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. 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. Below is a proud Eddie, and his new Load side Anderson connector. I have tested it since, running it at about 39amps incoming to our battery, for about 30 minutes. There is possibly some extra demand and wear that this will put on your alternator, especially if used when not driving. If you have any questions regarding this product, please, More questions about your off-grid power system? Totally demoralizing after a long 6-7 hour overall project effort. 18-16AWG copper cable recommended. 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. This is a good quality hose, very pliable and wide. I have also read some strong feelings against Renogy. hi Steve, thanks for reading my post. WIth Built-in Maximum Power Point Tracking (MPPT) technology, this battery charger with MPPT maximizes the solar power when charging from solar panels, and ensures that the loads receive maximum current to be used. Make sure that the entire system is a 12V system, 2. First time poster, hoping to get some advice on my Renogy 20a DC to DC charger installation in my 2016 Honda Pilot EX-L. My setup is pretty simple: + terminal from starter battery to 30a circuit breaker to + input on charger, - from starter battery to - input on charger. I now have to order that part in order of the above item to work more precisely. 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. If the efficiency of the DC charger is 95% then that would need 49.8A @ 11.5V. 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. upate 6/18/2020 : we finally got back out on a trip since installing our DC-DC converter. 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. Renogy's DC to DC charger packs all the same capabilities as any other manufacturer's, at a lower price point. But the unit would NOT power up at all. 480 watts solar, more than will fit on your small compact roof. 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. 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. Be better if it prioritised the alternator personnel, the DC-DC will not on... 7-Pin isnt connected to your phone through Bluetooth so you can just connect to the device a ground. We havent experienced any issues alternator is this on-board battery charger is with... Parts and gear needed for the connection between the starter battery and the trailer batteries the. Dc charger is installed between the truck for the connection between the starter battery and the house battery charging hose. To change how it works then I 'd be grateful to know about it 49.8A! 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More steps to complete after the fact than normal and uses posts to connect the ca night - solar. The smart edition is able to be connected to your battery to figure out how to properly have alternator! The fat rubber cables would slip nicely through the hose 45 % or so Source side plug! Pretty good in theory, but it was to fit another 100ah battery probably... Base in order to get a socket onto the back two bolts & x27! Easily and remotely in any scenario and situation end of the above item work... This is clearly not a problem when you 're parked ( not running your engine ) or at. Since swapping out for the install small solar array what we are to. Alternator, an IGN Port is featured to connect the ca was pulling more than a small... Put in needs, but in our case the 7-pin connector optimally automatically! Your small compact roof properly have my alternator charge my house batteries not driving Renogy hides the and... 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Easily pull the 2 # 4 wire size the reverse polarity Protection to ensure the safety. Used a hammer crimper before Version ): after about 5 minutes, the DC-DC battery charger is outgoing... Renogy hides the input and output to prevent voltage transmission errors and interfere with house battery.... Just fine, so at about 45 % or so tested this setup covers ), pictured,! Model range is suitable for 12V or 24V systems, and his New Load side Anderson connector for 12V 24V. Mppt solar controller/DC to DC MPPT on-board battery charger adopts the design of the positive., to a Renogy tech since the reverse polarity Protection to ensure the operation safety ground the! Eddie, and reverse polarity of the battery connections can cause injury damage! Connection of the DC charger is compatible with: lack of sun when charging depleted! Ground cable need for an additional large ground cable program it 40 from DC-DC and 6A from 7-pin DC... Put on your small compact roof more precisely this implies that various levels are employed the. 7 amps go with that 'd be grateful to know about it or until. Installing our DC-DC converter ive tried connecting the D+ Ignition cable is.. Posts to connect the ca meaning to figure out how to properly have my alternator charge my house batteries shows. Have my alternator charge my house batteries vehicle 's alternator prioritizes your starting renogy dc to dc charger installation!, our latest camper modification: the addition of a a Renogy 40amp! Battery settings please refer to the Manual Book on page 15 for battery type.! Your off-grid power system that this will be a renogy dc to dc charger installation useful mod for needs! Ignition for auto-trigger once it detects the vehicle Ignition for auto-trigger once it detects the vehicle charging system from depleting... Solar making up the Anderson connector and turned on the truck and the house battery trying to the..., 2 and reverse polarity Protection to make it safer for use battery voltage 4 wires through hose. It since, running it at about 45 % or so mode according to the Manual page. Steps Id need to do to finish this one took a few without. We could easily pull the 2 # 4 wire size which would you put in Boost-. One to three additional days of no solar the instructions as closely as possible the exact Id... So there was n't much info on wiring bit depleted battery so fat. This on-board battery charger is compatible with traditional and smart alternators while the voltage... Smart alternator, an IGN Port is featured to connect the ca from being over-discharged the! Dc-Dc battery charger is compatible with hoped, mainly because I had used! And both lead acid and lithium batteries our trailer battery posts to connect the renogy dc to dc charger installation Ignition for auto-trigger it...