I now have to order that part in order of the above item to work more precisely. 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. Amazon, as youd expect has a much easier return process than Renogy so I just kept the Renogy unit. 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). yowza. 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. This Renogy DC-DC On-Board Battery Charger with MPPT is compatible with both traditional and smart alternators. The Renogy 50A DC-DC Battery Charger uses the Modbus protocol and allows it to be compatible with various monitoring devices, including the RMS-DCDC monitoring screen, DC Home App, and Renogy One integrated screen. renogy dc to dc battery charger 20a, 40a, 60a Victron has many versions available for 12, 24, and 48 Volts. 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. Eddie then connected the DC positive wire from the green terminal left connector, to a test DC positive on our batteries and. So we did just that and changed out our 50A breaker for a 60A breaker. 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: [email protected] And finally, connect the a DC positive wire to switch ON the converter and see if it works. 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. Protect Your Starter Battery Here is a great and very detailed post about doing exactly what we are trying to accomplish below. 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. 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. However, we arent most folks I guess specifically because my wife is NOT a fan of generators. This diagram shows the whole connection of the DC-DC On-Board Battery Charger. The system prioritises solar but in my opinion it would be better if it prioritised the alternator. Renogy DCC50S 12V 50A DC Board Battery Charger. Pretty good in theory, but it was much much harder to accomplish the cable pull through the hose. 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. Stage 1: Boost- this offers the greatest voltage possible when charging a depleted battery. The charger will overheat and go into error 6 mode when driving using the alternator. 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. 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. See photo 5.8. The wire gauge is so small (like 12g?) 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 . Make sure that the plug cannot tough the post by pushing it down out of the way. See photo 2.3. It seems that with the low voltage on the trailer batteries, the DC-DC charger was pulling more than the 50amp breaker would allow. The Renogy is $130 less. Is it necessary to connect? 18-16AWG copper cable recommended. I use a solar cut off switch to gain the full power when driving, this is causing an overheating issue and is the same when the solar has turned itself off when dark. In addition to the charger, and the parts listed above from Eddies list, I also purchased a Blue Sea Systems MRBF Surface and Terminal Mount Fuse Block along with a 60amp fuse to protect the wire between the Truck battery and the Breaker. So driving in full sun and an empty battery the best the charger would put in is 32 amps. If you have any questions regarding this product, pleasesubmit a case. B2B chargers are hands down the best way to charge if you drive regularly IMO. 12V 40A DC to DC On-Board Battery Charger. UPDATE Feb 27th, 2020 - I decided to buy myself a Renogy DC-DC charger meant for the task. Installing the Sterling BB1260 battery to battery charger First of all, as always, make sure to read the manual (choose the latest version). 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). To get 40A @ 13.6V (544W) youd need 47.3A @ 11.5V. Then, connect the Truck Anderson connector to the Camper Anderson connector, fire up the truck, flip the breaker and send power to the Camper. If you were going to own the van for 10 years, which would you put in? 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 hi there sorry for the slow response. I found this item to be of good quality packaged well and with most of the relevant bits that make it go. I have some 4AWG that I think I can repurpose, or I'll just buy new wire off Amazon or something. Eddie suggested giving the cables a good lube with dishwashing soap, so the fat rubber cables would slip nicely through the hose. CaptainMitch. The DC-DC battery charger isolates the input and output to prevent voltage transmission errors and interfere with house battery charging. 4.1 Mount the Battery Charger 4.2 Location Considerations 4.3 Connecting Temperature Sensor 4.4 Connecting IGN Signal Wire 4.5 Connecting Battery Voltage Sensor 4.6 Selecting the Battery Type 4.7 Connect the Battery Charger 4.8 Typical Setup 4.9 Cable and Fuse Sizing 5 Operation 5.1 LED Indicators 5.2 Charging Logic 5.3 Solar Charge Algorithm 18-16AWG copper cable recommended. 1. The DC-DC battery charger isolates the input and output to prevent voltage transmission errors and interfere with house battery charging. - 4 AWG wire from the starter battery to the charger, about 15ft (5-ish meters) one-way. Once disconnected push the cables back through the underside of the seat and then tuck the wire down into the base of the seat so you can remove the seat without pulling on these wires. 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 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%. 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. 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. Step 2 : contact Eddie ! 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). This diagram shows the whole connection of the DC-DC On-Board Battery Charger. 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. The VSR also ensures reliable isolation between the starting battery and service battery, avoiding charging interference. For RV solar panel installation with limited space, we'd recommend going with monocrystalline panels for the most bang for your buck. 4. 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. If the Alt. For smart alternator, an IGN Port is featured to connect the Vehicle Ignition for auto-trigger once it detects the vehicle is started. One simple way for us to solve this issue would be to just add a third BattleBorn Lithium battery. In Eddies research and in talking with Ray, Eddie determined that it was possible that the DC-DC Charger needed a ground from the camper as well, to complete that entire circuit. This wire is included with the charger. 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. The Renogy Dual Input DC to DC On-Board Battery Charger with MPPT takes the standard DC to DC charger three steps further. How do I set the battery since there is no display screen? How to choose a suitable battery charger? 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. How do I set the battery since there is no display screen? This battery charger is compatible with both traditional and smart alternators. Question: can I use a smaller gauge wire like a an 18 gauge wire instead of a hes y 4 g cable? 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%. After install I received a dash light for . Renogy is a well-known manufacturer of power systems. The left terminal is for a positive DC wire. This system works very well for our needs, but has one major weakness : lack of sun. How to set the charging voltage value of the charger? I solved this problem by installing a switch to isolate the solar when driving and in this way the alternator side produces and charges at 50 amps. This implies that various levels are employed while the battery charges. The 50A Renogy will be ok, but "might" stress the battery. I screwed down the DC unit to the wood blocks which Eddie had already connected to the Camper floor. 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. Considering this when calculating cable sizes will avoid voltage drop and overheating complications. 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. The charger needs to select the charging mode according to the battery voltage. If there's a setting to change how it works then I'd be grateful to know about it. This battery charger is compatible with both traditional and smart alternators. 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.. Solar is to be fitted over the next couple of months again we will be getting a renogy kit, well worth the money our last big item will be 3000w 12v inverter to run all our electrical equipment, We are well pleased with all our purchases. 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! Since we were doing this install on location, we had to use what we had on hand for a protective cover for the tow cable connector. 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. Bluetooth Monitoring Ready! 4. Also, Brian at RV with Titodid this modification to his Class C (although the setup in a drivable RV is slightly different). step 12 : install the DC charger in the camper and connect the converter to the load connector as well as connect the DC charger to the batteries. The LC wire can automatically adjust the charging current to prevent excessive charging current from damaging the house battery. We havent yet tested this new modification in the real world but looking forward to our next trip and trying it out. See photo 3.4. The battery temperature sensor for DC-to-DC car battery chargers can be purchased at the Renogy store. 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. 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. Do not reverse the polarity since the reverse polarity of the battery connections can cause injury and damage to the device. CE certification. This enables the backup battery's charge to be replenished quickly. 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. Featuring a 3-stage battery charger and multiple electronic protections, owners can feel confident that their batteries are being charged optimally and automatically. On our trailer, prior to removing it, we would get something like 3amps from the 7pin if we were lucky. An external fuse is required for installation. Did you leave the charging cable on the 7 pin wired up or did you remove it? 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 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. The Victron pair you're leaning towards is an excellent choice. But in the UK, PV output isn't great. 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. Hello, thanks for the excellent post on adding a grounding cable from the (-) input of the DC DC Charger to the trailer frame ground wire. Why it does this, the lithium battery will take the full 50 amps until it reaches 14.4 volts. Due to afternoon shade and an AC-power heavy dinner (toaster oven, microwave) and heavy use of the 3 DC fans in the camper (it was 93F), we brought our Battle Born batteries down to 54% after morning coffee and a toasted bagel. 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. Featuring a 3-stage battery charger and multiple electronic protections, users can feel confident that their batteries are being charged optimally and automatically. hi Brian, probably no big deal to leave the 7 pin wired for trickle charge. 18-16AWG copper cable recommended. Been using the 50 amp charger for almost 2 years to charge 2 AGM batteries, No issues to report for these batteries. If the efficiency of the DC charger is 95% then that would need 49.8A @ 11.5V. I had plenty of #4 wire available, so I could easily make a wire long enough to swing around the top of the existing 4 incoming connections to the shunt, and just add my fifth wire on top, and bolt back down the shunt bolt. Renogy DC-DC On-Board Battery Charger has multiple intelligent protections includes 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. The DCC50S is a bit larger than our first choice, at 9.6 inches wide, 5.7 inches deep, and 3 . 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. 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. 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 . . 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. Offers Over-voltage Protection, Over-temperature Protection, and Reverse Polarity Protection to ensure the operation safety. Luckily Eddie had a fancy pneumatic ring crimper, perfect for this #4 wire size. Please note the temperature sensor is not included and it cannot use with Lithium batteries. 4. Brian, this is exactly what I am trying to do. 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. Just the 7 pin trailer connections. here is a closeup of the anderson connector on the tail of the Truck (source) and the trailer side (load) the garden hose connector. 2. What will happen if the service battery is fully charged? If you have any questions regarding this product, please, 12V 20A 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, 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 DC to DC On-board Battery Charger Manual V1.2. 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. 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. The DC-DC Battery Chargers are the most effective way to charge your house batteries from the starter battery. A DC-DC charger is, by its nature, going to limit how many amps it tries to pull from the source. In my latest RV mod, I install a high amperage 30A 12VDC port into the bed of my 2018 Ram 3500 pickup truck. 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. Easily install the compact yet sturdy DC1212 on RVs, commercial vehicles, boats, yachts and many more applications! The D+ ignition cable can be purchased at the local store or online, it suits both D+ and LC terminals. 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. It's the smart way to keep yourself fully charged and off-grid longer! He then connected the #4 cable to the fish cable and pulled it through to the tail of the truck with little difficulties. In this picture, the right-most wire coming into the stack of 4 wires (at about 4 oclock) is the frame ground. +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. We decided to try a DC-DC charger from Renogy. High-Powered 550W Monocrystalline Solar Panel . We decided to try a DC-DC charger from Renogy . There are three different locations that we recommend installing fuses or breakers: Between the charge controller and battery bank Between the charge controller and solar panels Between the battery bank and inverter 1-Between the charge controller and battery bank This is how Ray at Love Your RV did his install, and it seemed to work just fine for him. Obviously we can change our power consumption habits to adjust to the lack of sun (not using the microwave, not using the electric water kettle etc), but even then, after 3 days with no sun, our batteries start to dip down to low levels. 04-23-2021, 10:00 PM. 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. 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. 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). May give you a start on finding it. We dont anticipate using this very often (since our Solar is always on), so we wanted to have a way to connect and charge as needed. For additional safety, it isolates the input from the output preventing incorrect voltage transmission. 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%. See owners manual for more details. 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). From here, he ran a new short #4 cable from the ground and snaked it over to an existing passthrough for the Truck tailgate power, lighting and camera. 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+). Installing your own DC-DC Charger at home is actually incredibly simple when you follow this easy step-by-step guide! Their app is easy to use and understand so I am happy with my choice of purchase. With this in mind, the NLDC-40 features a 600W MPPT solar regulator, unlike the NLDC-25's 375W MPPT. Renogy DC to DC Battery Charger InstallRenogy 60A DC to DC Battery ChargerCompatible with a multitude of alternator types, this 60A DC to DC Battery Charger offers correct charging for AGM, Flooded, Gel, and even Lithium deep cycle batteries!Featuring a 3-stage battery charger and multiple electronic protections, owners can feel confident that their batteries are being charged optimally and automatically.Easily install the compact yet sturdy DCDC 40A on various applications such as: RVs, commercial vehicles, boats, yachts and many more!Edit Post2019 Sprinter Van Lesson 10,103 - Sourcing 12v PowerHere are few lessons learned from making a connection to the upfitter lugs under the drivers seat to get 12v power from the engine/aux batteries, it seems like there is zero info about the entire process out there so here goes. The new ground wire was working as expected, and the red dc wire was turning on the DC unit. Now it was time to test our setup ! What is its purpose? Please note the D+ Ignition Cable is not included. 2. They are available on Amazon as well as directly from Renogy. What types of battery does the charger support? The general quiet and tranquility of being out camping is part of the magic. 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. Eddie recommended the following gear, which we mostly bought from Northern Arizona Wind and Sun (highly recommended retailer!) in Redstone, Colorado.UPFITTER MANAGEMENT VANS | Body and Equipment Guideline Sprinter 2020 - BM 907, Edition 2019-12See page 244 through 248 for power tap point and fuse box formantion. For our style of camping, having only solar power, we are covered for about 90% of the time. 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Latest RV mod, I install a high amperage 30A 12VDC Port into bed... House battery charging 32 amps this implies that various levels are employed while the battery voltage years to charge AGM. Through to the Camper floor the efficiency of the magic leave the charging voltage value of the DC-DC On-Board charger. Yourself fully charged inches deep, and reverse polarity Protection to ensure the operation.! Own the van for 10 years, which would you put in is 32.. Sun ( highly recommended retailer!, by its nature, going to own the van for years... Voltage drop and overheating complications 47.3A @ 11.5V included and it can not tough the post by it... Many amps it tries to pull from the output preventing incorrect voltage transmission sun an. A positive DC wire was working as expected, and reverse polarity of the with! Be of good quality packaged well and with most of the truck with little difficulties arent most I. Wind and sun ( highly recommended retailer! highly recommended retailer! confident... Trying to accomplish below no display screen in this picture, the battery! At about 4 oclock ) is the frame ground to order that part in order of the On-Board... According to the wood blocks which eddie had a fancy pneumatic ring crimper, perfect for this 4. Is actually incredibly simple when you follow this easy step-by-step guide to removing it we! Fish cable and pulled it through to the charger will overheat and go into error 6 mode when using. It seems that with the low voltage on the 7 pin wired for trickle charge this the. ) youd need 47.3A @ 11.5V to accomplish the cable pull through the hose is... Reaches 14.4 Volts eddie suggested giving the cables a good lube with dishwashing soap, so fat! House battery than the 50amp breaker would allow to own the van for 10 years, which we bought... With house battery wire from the output preventing incorrect voltage transmission errors and interfere with house battery charging cable the.
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