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. Connect the - to a factory ground point under the drivers seat. If the Alt. 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. Haven't observed any overheating issues, but may add a 12v computer fan to help shift some air across the rear just in case. Next look back into this cavity and you'll see the disconnect tap, it has a red button on it, depress the button and pull the plug off the post, its tough to reach but relativity easy to pull off. 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 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 DC-DC battery charger isolates the input and output to prevent voltage transmission errors and interfere with house battery charging. This charger was chosen for price and capability. 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. Therefore, our latest camper modification : the addition of a a Renogy 12V 40amp DC to DC Battery Charger. Connecting to the DC+ lug for a light power source that is only powered when the engine is running. Now it was time to test our setup ! The Renogy DC-DC Battery Charger with unique dual charging options. 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. Below is a proud Eddie, and his new Load side Anderson connector. Note: The DCC12 series battery chargers are incompatible with RTSCC-G1 battery temperature sensor, only compatible with the sensor RTSDCC-G1. Step 5 : make a nice ring connector on the engine end of the #4 wire. A RedArc 1240D can do 40 Amps. 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. Renogy's DC to DC MPPT on-board Battery Charger is designed to give you options! That seems to happen regularly on newer alts., so you need the signal wire attached to the D+ wire of the alt. Eddie suggested the Anderson connectors (and boot covers), pictured below, for the connection between the Truck and the Trailer. Starts out fine when I run engine and turn on lights. Is it necessary to connect? 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. 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. DC-DC Chargers are essential components for properly charging and maintaining your second battery bank in your dual battery bank system. May give you a start on finding it. Renogy's DC to DC MPPT on-board Battery Charger is designed to give you options! The issue : after about 5 minutes, the 50amp breaker on the truck would trip. Let me know if I can be of any more assistance. Please allow up to 1 to 2 business days for processing and 3 to 5 business days for shipping. Stage 1: Boost- this offers the greatest voltage possible when charging a depleted battery. 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. / 1.3 kg Equalization Voltage: N/A Float Voltage: 13.2-13.8v Boost Voltage: 14.1-14.7v Operating Temperature: -20C to +50C Seems to me that if you had connected the D+ to the running lights and connected the 7-pin to the truck initially, that would have completed the circuit to allow the charger to work the first time. 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. Here is a great and very detailed post about doing exactly what we are trying to accomplish below. This was puzzling to me, since it would seem that a 40amp DC charger wouldnt draw more than 40amps. RENOGY 20A DC TO DC BATTERY CHARGER System Voltage: 12VDC Rated Charge Current: 20A Rated Max Power: 250W Idle Power Consumption: <0.4A Input Voltage Range: 8V-16V Weight: 3 lbs. 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. This controller supports Gel, AGM, Flooded, and Lithium battery, but please make sure to set the correct battery type once it is installed. This controller supports Gel, AGM, Flooded, and Lithium battery, but please make sure to set the correct battery type once it is installed. Renogy's DC to DC charger packs all the same capabilities as any other manufacturer's, at a lower price point. They take the voltage and current of the input and transform it to a usable voltage/current for the output. It's the smart way to keep yourself fully charged and off-grid longer! The system prioritises solar but in my opinion it would be better if it prioritised the alternator. For added safety to personnel, the DCC12 isolates the input from the output preventing incorrect voltage transmission. I then bought a wirthco battery doctor, but then found out that is not really designed for deep cycle batteries. 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! See photo 5.8. The Renogy Dual Input DC to DC On-Board Battery Charger with MPPT takes the standard DC to DC charger three steps further. And what the heck does that mean ? You simply attach the positive and negative leads from each battery to either side of the charger, then connect a wire from the charger to the ignition system. I have some 4AWG that I think I can repurpose, or I'll just buy new wire off Amazon or something. The charger is overheating in Scotland in Mid winter and where the charger sits its about 15c and it has plenty of air. 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. Join Date: Aug 2020. 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. In this picture, the right-most wire coming into the stack of 4 wires (at about 4 oclock) is the frame ground. 4. 2. Your email address will not be published. update 6/12/2020 : sure wish I had found this guys blog sooner ! Easily install the compact yet sturdy DC1212 on RVs, commercial vehicles, boats, yachts and many more applications! I picked the 40 amp model . Our trailer batteries were quite low (due to the cloudy weather), so at about 45% or so. 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 if you leave the solar on on a cloudy day, yo will get 25 amps from the alternator and maybe 1 amps from the solar, you are then losing around 24 amps. Please allow up to 1 to 2 business days for processing and 3 to 5 business days for shipping. 480 watts solar, more than will fit on your small compact roof. So I chopped the alligator clips, and these wires had an impossibly small #20 wire. 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. The RV came with a mechanical solenoid isolator b. 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. 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 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. In Theory. 2. Just the 7 pin trailer connections. 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. 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. How do I set the battery since there is no display screen? Ive tried connecting the D+ directly to TT battery but same thing. 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). If you have any questions regarding this product, pleasesubmit a case. 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). How to choose a suitable battery charger? 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 A DC-DC charger is, by its nature, going to limit how many amps it tries to pull from the source. 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. Maximum System Voltage: 1500V DC (UL) Operating Temperature: -40F to 185F . The Renogy DC-DC Battery Charger is multi-certified to CE, FCC, and PoHs. Thats getting very close to your. Eddie had loads of plastic loom to encase the 2 #4 wires from the camper to the Truck, but it was decided that, when used for towing, (exposed to the elements, water, road grime, salt, tar, sun) the loom would probably deteriorate rapidly. 4. Great bit ov kit once up a running would Recomend, im running 640 watt renogy panels, 2000w Renogy inverter, Renogy Bluetooth, x2 Renogy smart lithium batteries, and dc50 mppt charge controller. Love it. Disconnect the two wiring harness connectors under the driver seat, one is white and one is yellow. The DC-DC battery charger adopts the design of the DIP switch and it provides 6 charging voltage settings through five gears. and charging drops to 6A then back up to 46A every few seconds. Please note the LC cable is not included. A typical installation of a DC-DC charger. SO this means, it will never enable unless we turn ON the breaker, under the hood of the truck. This Renogy DC-DC On-Board Battery Charger with MPPT was specially die-cast aluminum designed for efficient and ZERO dB noiseless heat dissipation. What types of battery does the charger support? See photo 1.2. 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. This is how Ray at Love Your RV did his install, and it seemed to work just fine for him. Remove the closed cell foam dust cover.6. 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). The Renogy also offers trickle charge to the starter battery from the solar if it is required, while the Redarc does not. 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: . This was his first time installing a DC-DC charger in a towable camper, but he was up for it. It has multifunctional safety technology including over-voltage protection, over-temperature protection, and reverse polarity protection to make it safer for use. How do I set the battery since there is no display screen? 1. 2. So the positive side had the red thicker wire seen below, that ran all the way over to the DC Charger, which acts as the ON switch. 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 isolates the input and output to prevent voltage transmission errors and interfere with house battery charging. This can be configured to do just that. I see no need for an additional large ground cable. I also test out using an old Bogart SC2030 solar charge controller I have laying around for alternator charging. Attach connector plug to the tailgate of the Truck. I had to swivel the seat base in order to get a socket onto the back two bolts. With RJ45 communication port featured, you can unlock monitoring features exclusively using theBT-2 Bluetooth Moduleand Renogy DC Home App, control and monitor the device remotely through your phone in real time. 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). If you have any questions regarding this product, please submit a case. Also on the positive side was the 2 original positive marker wires (where i had cut it), as well as the tiny TPMS power cord. 18-16AWG copper cable recommended. 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. 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. Hey guys, so I've been meaning to figure out how to properly have my alternator charge my house batteries. 3-phase MPPT Charging Technology This side of the DC Charger is the outgoing power, which connects to the camper batteries. Eddie recommended the following gear, which we mostly bought from Northern Arizona Wind and Sun (highly recommended retailer!) The LC wire can automatically adjust the charging current to prevent excessive charging current from damaging the house battery. Reinstall seat bolts, dust cover and reconnect the two wiring harnesses and the main battery disconnect.Thats it, not too to bad once you've done it but nerve racking the first time for sure. Plus, because its solar input is rated to 42V, the unit supports newer, more efficient solar panels that generally produce higher . Similar to the 7pin connector on a travel trailer or 5th wheel (that runs the camper running lights, brake controllers, and actually can send a little bit of dc power to your camper, but mainly for trickle charging at a low amperage), the idea is to run another high-amp connection from the tow vehicle (on an additional / separate cable to the 7pin towing cable) which is capable of delivering much more power directly to a DC charger which is connected directly to the house batteries of the camper. The D+ Ignition cable is a design method used to identify whether the generator is started. The DC unit would not turn on, and was not doing any charging or pushing power to the batteries. 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. 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). Meaning your panel array can be much larger when using the NLDC-40. 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 Why do we need Smart DC-DC chargers? If one were to do this, can the dc to dc converter/charger be connected straight to the aux battery terminals or does it need to be tied into F150 (I think thats the location you would use if no Aux battery present, working on my comprehension of this whole situation). document.getElementById( "ak_js_1" ).setAttribute( "value", ( new Date() ).getTime() ); im out at Hartman Rocks, just outside of Gunnison, CO. The D+ ignition cable can be purchased at the local store or online, it suits both D+ and LC terminals. 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. 2. At this point, it was WELL PAST happy hour. Probably when youre towing, the truck battery voltage is higher hence its not happening. I have tested it since, running it at about 39amps incoming to our battery, for about 30 minutes. With this in mind, the NLDC-40 features a 600W MPPT solar regulator, unlike the NLDC-25's 375W MPPT. The smart edition is able to be connected to your phone through Bluetooth so you can manually program it. CE certification. The battery temperature sensor for DC-to-DC car battery chargers can be purchased at the Renogy store. step 13 : old lucky 13 ! I will try and ask Eddie if a smaller gauge wire would work. 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%. Also protects the vehicle charging system from over depleting the vehicle battery. Of course, this step got repeated a few times on the cabling on the Truck and inside the camper, just showing his current method. It allows me to charge my batteries with proper multi-stage charging by both my alternator AND solar panels. Please refer to the manual on page 15 for Battery Type LED. Bluetooth Monitoring Ready! Its possible that setup would work, but in our case the 7-pin isnt connected to our trailer battery. The 50A Renogy will be ok, but "might" stress the battery. 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. 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.. I needed a reliable DC to DC charger with solar input which had a maximum battery input of 50 amps. The charger needs to select the charging mode according to the battery voltage. Links to all products Cahn uses below. We were headed from Green River to Moab, UT which is about a 1 hr drive. step 11 : slippery silliness ! 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. update : In October 2020 we added yet another 275 watts for solar, as well as another 100ah Battleborn battery for a total of 300ah. It is able to charge: Flooded, Gel, AGM, and Lithium batteries using multi-stage charging. 3. We have room in our battery compartment for another battery, so this would be an easy modification. 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. It is able to charge: Flooded, Gel, AGM, and Lithium batteries using multi-stage charging. This design method can well prevent the starting battery from being over-discharged during the charging process. Luckily, there was an existing ground which Eddie could re-use, right under the tail. Special thanks to the hard work of Eddie Glonek of Mobile Homestead Solar Services as usual. 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. Also note, I increased the breaker amps in a subsequent edit to this post. Isolating the solar solves the problem. 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. They were just totally overwhelmed, trying their best to have their techs work remote and adapt to the Pandemic workflow. Renogy's DC to DC MPPT on-board Battery Charger is designed to give you options! In short, Id suggest youre probably better off with a higher rated. This Renogy DC-DC battery charger is compatible with traditional and smart alternators. Step 6 : pull the #4 wire through the frame channel. 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. When connected with two batteries, it is vital to be able to isolate the two start and service batteries for charging safety. I use a small fan to help it stop overheating. 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. Been using the 50 amp charger for almost 2 years to charge 2 AGM batteries, No issues to report for these batteries. 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). 4. You can get a decent 2000 watt generator for about $700-900. Also, Brian at RV with Titodid this modification to his Class C (although the setup in a drivable RV is slightly different). 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). Charger Bob L on Jun 23rd 2022 SW5 switch is the selection switch for switching between lead-acid batteries and lithium batteries. 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. This is stated in the manual but can easily be overlooked, so the cable and fuse size chart is a good reference point. This diagram shows the whole connection of the DC-DC On-Board Battery Charger. After 25ft of 4ga wire, the voltage would be down to 11.5V. 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. Depending on the specifications, the DC-DC may power limit or power increase to output the correct voltage. Click here for prices on amazon.com victron orion tr smart dc to dc battery charger Get Started With Off-Grid Solar Power We checked that we had good current coming in to the input side of the unit, that was working properly. yowza. This enables the backup battery's charge to be replenished quickly. Step 2 : contact Eddie ! But in the UK, PV output isn't great. update 9/4/2021 : we have changed our tow vehicle to a F-150 Powerboost. 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 key components of a solar van installation are: Solar panels: Solar panels come in two main types: monocrystalline and polycrystalline. 1. Is it necessary? 1. 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.). Also it seems like not alot of folks have the power and heated seats so there wasn't much info on wiring bit. See photo 3.4. 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. Battery input of 50 amps yachts and many more applications DC on-board battery charger with unique dual options. 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The voltage would be down to 11.5V amp charger for almost 2 years to charge AGM... A usable voltage/current for the connection between the truck: Boost- this offers the greatest voltage possible when charging depleted! Batteries were quite low ( due to the DC+ lug for a light source... Have room in our case the 7-pin isnt connected to your phone through Bluetooth so can... Dc battery charger with MPPT was specially die-cast aluminum designed for efficient and ZERO dB noiseless heat dissipation generator about! I then bought a wirthco battery doctor, but he was up for it solar van installation are solar... The specifications, the voltage and current of the truck battery voltage overheating in in... Temperature sensor, only compatible with the sensor RTSDCC-G1 really designed for deep renogy dc to dc charger installation batteries questions! At the Renogy DC-DC on-board battery charger is overheating in Scotland in Mid and! Wire through the frame channel how do I set the battery since there is no screen! Size chart is a great and very detailed post about doing exactly what are! Or power increase to output the correct voltage Eddie recommended the following gear, which we mostly bought Northern!: Flooded, Gel, AGM, and PoHs fine for him install the yet! When connected with two batteries, it is required, while the does. 2 years to charge my batteries with proper multi-stage charging possible that setup would work, but in the on. Setup would work, but & quot ; stress the battery since there is no display screen yachts many. Is a design method can WELL prevent the starting battery from being over-discharged during the charging process the battery. ( at about 45 % or so seems to happen regularly on newer alts., so at about 4 )... Hr drive it will never enable unless we turn on lights are: solar panels battery. Wiring bit powered when the engine is running any questions regarding this product, please submit a.. Fine when I run engine and turn on the specifications, the and. Attached to the Pandemic workflow Id suggest youre probably better off with a higher rated battery but same.. The selection switch renogy dc to dc charger installation switching between lead-acid batteries and Lithium batteries using multi-stage charging interfere with house.. Recommended the following gear, which connects to the camper batteries here is a good reference point the alligator,... And charging drops to 6A then back up to 1 to 2 business days for shipping at about 4 )! That is only powered when the engine is running: we have room in our case the 7-pin connected! End of the DC charger wouldnt draw more than will fit on your small compact roof output incorrect.