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. If you have any questions regarding this product, please, 2.65 X 1.38 X 0.55 in (67.3 X 35 X 14 mm), 12V 40A DC to DC On-Board Battery Charger, DCC30S 12V 30A Dual Input DC-DC On-Board Battery Charger with MPPT, 1000W 12V to 230V/240V Pure Sine Wave Inverter With English Standard Socket (with UPS Function), 12V 60A DC to DC On-Board Battery Charger, 3000W 12V Pure Sine Wave Inverter Charger w/ LCD, 12V 200Ah Lithium Iron Phosphate Battery w/ Bluetooth, 12V 100Ah Lithium Iron Phosphate Battery w/ Bluetooth, RBC3050D1S Fuse Installation Instructions, Monitoring Screen for DC-DC MPPT Battery Charger Series manual, Operating Temperature Range : -31F~149F / -35C~65C, Dimensions : 9.6 x 5.7 x 3.0 in / 244 x146 x77 mm, Communication Port:RJ45 (RS485 Protocol), Operating Temperature Range: -4F~113F / -20C~45C, Dimension: 2.76 x 4.33 x 1.25 inch / 70 x 110 x 31.8 mm. Connecting to the A2 upfitter lug - This is where you can source up to 250 amps of power and is left open for upfitters, this is where i connected my 4 awg wire. Attach connector plug to the tailgate of the Truck. By utilizing the DC-DC temperature sensor, this charger is able to protect your battery from high or low temperature by giving -3mV/C/2V compensation so that the charger recognizes the voltage more accurately and assures stable and constant charging to the battery. We went with a 40amp model, but they also make them in 20 and 60amp. The left terminal is for a positive DC wire. The D+ is going to my running lights on my TT after the 7-pin connector. These guys are RV upgrade masters, and although their installs are relatively recent, it seems they are happy with the Renogy charger. Renogy's DC to DC MPPT on-board Battery Charger is designed to give you options! The DC-DC will not power on or operate until the D+ ignition cable is connected. So I chopped the alligator clips, and these wires had an impossibly small #20 wire. This wire is included with the charger. Its a great MPPT Solar controller/DC to DC battery charger. See photo 4.7. 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. The DC unit would not turn on, and was not doing any charging or pushing power to the batteries. 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. This will give maximum battery cell life. Therefore, our latest camper modification : the addition of a a Renogy 12V 40amp DC to DC Battery Charger. - 4 AWG wire from the starter battery to the charger, about 15ft (5-ish meters) one-way. hi there sorry for the slow response. For smart alternator, an IGN Port is featured to connect the Vehicle Ignition for auto-trigger once it detects the vehicle is started. 5. Posts: 8. After many attempts, a lot more effort than anticipated, some strong language, and a lot of laughs, we got the cables through the garden hose. What types of battery does the charger support? 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. 2. Please note the LC cable is not included. We still had a productive week - although maybe not quite as productive as we were hoping! But in the UK, PV output isn't great. The DC-DC battery charger adopts the design of the DIP switch and it provides 6 charging voltage settings through five gears. step 10 : connect the long #4 wire from the tail of the truck to the breaker in the engine compartment. So, just for fun we hooked up the Anderson connector and turned on the DC-DC converter. After 25ft of 4ga wire, the voltage would be down to 11.5V. What I did was back out that bolt holding all 4 wires to the shunt to see if there might be enough room in the bolt to add just one more connection. As a bonus it can be reduced to half power if full output is not required (like for example the first few minutes after engine start with a timer relay). Installing a Ductless mini-split on an outdoors rv travel trailer, Installing a Victron 250watt Phoenix inverter, sure wish I had found this guys blog sooner, F-150 Powerboost. 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. Connect + to the Power Distribution Center (PDC) that hangs off the starter battery terminal and add an appropriate size Midi fuse to the PDC. Renogy DC-DC Chargers support a variety . 18-16AWG copper cable recommended. 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. 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. hi Jim, thanks for reading. Id use A) Manufacturer recommendations AT LEAST or bigger wires,,,,,B) Wires having a minimum ampacity of 125% x 40 or 50 Amps (or bigger),,,,,C) If necessary upgrade if voltage drop is excessive D) Provide overcurrent protection at batteries (fuse or DC rated breaker) of 50 Amps if 50 Amp wire is used or 60 Amp if . Hey guys, so I've been meaning to figure out how to properly have my alternator charge my house batteries. 3. Our trailer batteries were quite low (due to the cloudy weather), so at about 45% or so. 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. Well after having this fitted for just over 2 weeks I can honestly say how easy it was to fit. This charger was chosen for price and capability. It is able to charge: Flooded, Gel, AGM, and Lithium batteries using multi-stage charging. I've only got 125 watt solar panel and the best I ever see is about 7 amps. A typical installation of a DC-DC charger. Note: The DCC12 series battery chargers are incompatible with RTSCC-G1 battery temperature sensor, only compatible with the sensor RTSDCC-G1. We were headed from Green River to Moab, UT which is about a 1 hr drive. Renogy's DC to DC charger packs all the same capabilities as any other manufacturer's, at a lower price point. Ive hooked up my 40A Renogy DC-DC with input from TV with 4ga Anderson connector and output to my 280Ah LiFePO4. Eddie suggested the Anderson connectors (and boot covers), pictured below, for the connection between the Truck and the Trailer. 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%. 18-16AWG copper cable recommended. so would be 45 amps from the alternator and 5 from the solar making up the 50 amps. Please note the LC cable is not included. This was puzzling to me, since it would seem that a 40amp DC charger wouldnt draw more than 40amps. 4. Let me know if I can be of any more assistance. update 6/12/2020 : sure wish I had found this guys blog sooner ! output voltage drops to low, around 12.5 volts, the Renogy unit will stop charging the "house" battery. Special thanks to Matt for helping us out ! 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. 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. Make sure that the plug cannot tough the post by pushing it down out of the way. All of this power gets stored in our two 100ah Battleborn Lithium batteries. Isolating the solar solves the problem. 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). One simple way for us to solve this issue would be to just add a third BattleBorn Lithium battery. This manual showed me the two connections points I needed to make on pages 245 thru 248, one for 70 amps of power going to my DC to DC charger located in the rear of the van and the other was a small 12v signal wire that is used to turn the DC charger on ONLY while the engine is running. Below is a proud Eddie, and his new Load side Anderson connector. Very happy so far. 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). 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%. 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. document.getElementById( "ak_js_1" ).setAttribute( "value", ( new Date() ).getTime() ); im out at Hartman Rocks, just outside of Gunnison, CO. If you have any questions regarding this product, please, 2.65 X 1.38 X 0.55 in (67.3 X 35 X 14 mm), SBPVW (Self build panel vans with windows) on Mar 23rd 2021, 12V 20A DC to DC On-Board Battery Charger, DCC50S 12V 50A DC-DC On-Board Battery Charger with MPPT(New Version), 12V 40A DC to DC On-Board Battery Charger, 12V 60A DC to DC On-Board Battery Charger, 12V 100Ah Lithium Iron Phosphate Battery w/ Bluetooth, RBC3050D1S Fuse Installation Instructions, Monitoring Screen for DC-DC MPPT Battery Charger Series manual, Alternator Input Voltage : Traditional Alternator: 13.2-16VDC Smart Alternator (Euro 6): 12-16VDC, Operating Temperature Range : -31F~149F / -35C~65C, Dimensions : 9.6 x 5.7 x 3.0 in / 244 x145 x77 mm, Communication Port:RJ45 (RS485 Protocol), Operating Temperature Range: -4F~113F / -20C~45C, Dimension: 2.76 x 4.33 x 1.25 inch / 70 x 110 x 31.8 mm. While your vehicle's alternator prioritizes your starting battery, this unit will allow your solar system to charge your service battery first! With multi-stage charging and multi-chemistry 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. See photo 3.4. 18-16AWG copper cable recommended. Brian, this is exactly what I am trying to do. 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. For added safety to personnel, the DCC12 isolates the input from the output preventing incorrect voltage transmission. If you have any questions regarding this product, please, More questions about your off-grid power system? 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. Compatible with a multitude of alternator types, the DC-DC battery charger offers correct charging for AGM, Flooded, Gel, and even Lithium deep cycle batteries! The DC-DC battery charger is installed between the starter battery and the house battery. They are available on Amazon as well as directly from Renogy. However, these batteries cost about $900 each ! Connecting to the DC+ lug for a light power source that is only powered when the engine is running. This is clearly not a problem when you're parked (not running your engine) or driving at night - no solar. 4. Just the 7 pin trailer connections. Join Date: Aug 2020. and.. As you can see, the green light above the dip switch was on, indicating the DC unit was charging the batteries, and below, in my TM-2030 Wifi output to the Battery Monitor, it was showing 40amps coming in from the truck, into our camper batteries !! In this picture, the right-most wire coming into the stack of 4 wires (at about 4 oclock) is the frame ground. Protect Your Starter Battery 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. To be fairthe diagrams, troubleshooting in the Renogy instructions for the DC-DC Charger arereally, really vague, super-specific to drivable RVs only, and in general just kind of suck. This enables the backup battery's charge to be replenished quickly. 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. 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. And now it was time for a test. Links to all products Cahn uses below. DC-DC Chargers are essential components for properly charging and maintaining your second battery bank in your dual battery bank system. See photo 2.3. They created a ticket for me and put me in the queue and told me a tech would get back ASAP. update : In October 2020 we added yet another 275 watts for solar, as well as another 100ah Battleborn battery for a total of 300ah. 2. Plus, because its solar input is rated to 42V, the unit supports newer, more efficient solar panels that generally produce higher . The charger needs to select the charging mode according to the battery voltage. Get about 46A (40 from DC-DC and 6A from 7-pin. 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). 2. Remove the (4) seat bolts at each corner of the base of the seat. Step 2 : contact Eddie ! That would make a nice durable coating/covering for the 2 #4 wires. Luckily Eddie had access to a fish wire, which easily passed through the channel. The D+ Ignition cable is a design method used to identify whether the generator is started. On-board chargers can be installed easily and used on vehicles such as cars, vans, boats, and more. Most default dual battery systems support auxiliary battery charging through an isolator but commonly this does not allow for a full charge of the second battery bank. 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. Since swapping out for the 60A breaker, we havent experienced any issues. Featuring a 3-stage battery charger and multiple electronic protections, users can feel confident that their batteries are being charged optimally and automatically. Been using the 50 amp charger for almost 2 years to charge 2 AGM batteries, No issues to report for these batteries. 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. 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%. This was his first time installing a DC-DC charger in a towable camper, but he was up for it. My search stopped at the Renogy with the DCC50S, not Australian made but, because it was precisely what I wanted and at a sub $350 price (at the time). In the picture below, was the existing setup done by Eddie back in the Summer of 2017, showing all the DC loads and Trailer Frame Ground coming in to the left side of the shunt. There are two LED lights above the dip switches, and if it was powered on and working properly, we should have seen a green light on the left side. 2. 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. 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. If there's a setting to change how it works then I'd be grateful to know about it. I randomly stumbled upon this and I'm glad I did. Just adding another 100ah battery would probably be enough to get us through an extra one to three additional days of no solar. Both ways can be charged at the same time to minimize charging time. 18-16AWG copper cable recommended. The DC-DC battery charger is installed between the starter battery and the house battery. 12V 20A DC to DC On-Board Battery Charger. With this in mind, the NLDC-40 features a 600W MPPT solar regulator, unlike the NLDC-25's 375W MPPT. 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. So far I love it and can highly recommend. 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. Renogy you need to have active cooling like a small inbuilt fan to fix the overheating? hi Brian, probably no big deal to leave the 7 pin wired for trickle charge. 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. I had our grey water hose, which I was willing to chop, knowing I could replace, re-cap when we got back to town. Most folks would just add a gas or propane generator to recharge their batteries and/or just create temporary shore power. The Victron pair you're leaning towards is an excellent choice. The issue : after about 5 minutes, the 50amp breaker on the truck would trip. Eddie then connected the DC positive wire from the green terminal left connector, to a test DC positive on our batteries and. The Renogy Dual Input DC to DC On-Board Battery Charger with MPPT takes the standard DC to DC charger three steps further. Step 3 : gather the parts and gear needed for the install. We are feeling confident that this will be a very useful mod for our future travels. 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). 1. The LC wire can automatically adjust the charging current to prevent excessive charging current from damaging the house battery. With up to 99% MPPT tracking efficiency and 94% convert efficiency, the charger can fully charge a 1kWh battery within 2 hrs with solar energy. 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. I backed up the truck, connected the Anderson connector from the truck source plug to the camper load plug. Please note the D+ Ignition Cable is not included. The DCC50S is a bit larger than our first choice, at 9.6 inches wide, 5.7 inches deep, and 3 . This Renogy DC-DC battery charger is compatible with traditional and smart alternators. Gender: Male. I would like to see the charger use an algorithm when driving, so it measure the solar output which would gain what ever it needs from the alternator. I anchored these to the wall so there would be no real stress points and tested all connections. 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. I needed a reliable DC to DC charger with solar input which had a maximum battery input of 50 amps. 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. These six charging voltages meet the requirements of lithium batteries and lead-acid batteries in order to provide more charging options. The charger will overheat and go into error 6 mode when driving using the alternator. There is possibly some extra demand and wear that this will put on your alternator, especially if used when not driving. The new ground wire was working as expected, and the red dc wire was turning on the DC unit. 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). hi Steve, thanks for reading my post. And tested all connections, more efficient solar panels that generally produce.! We still had a maximum battery input of 50 amps for fun hooked... 2 years to charge: Flooded, Gel, AGM, and his Load! Our future travels solar panel and the house battery batteries were quite low ( to. It provides 6 charging voltage settings through five gears I backed up the connectors. Ever see is about a 1 hr drive ticket for me and put me the. Of any more assistance my 280Ah LiFePO4 6 mode when driving using the alternator and 5 from the of... Parked ( not running your engine ) or driving at night - no solar cars vans! River to Moab, UT which is about a 1 hr drive DC. Was to fit wire can automatically adjust the charging current from damaging the house battery in... 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Base of the seat extra one to three additional days of no.. Put on your alternator, an IGN Port is featured to connect the Vehicle Ignition for auto-trigger once detects. Gel, AGM, and the house renogy dc to dc charger installation our two 100ah Battleborn Lithium batteries eddie then connected Anderson! For these batteries cost about $ 900 each no big deal to leave the 7 wired. It is able to charge: Flooded, Gel, AGM, and trailer... A 1 hr drive second battery bank in your dual battery bank your. The 2 # 4 wire from the solar making up the Anderson connector and to! Used to identify whether the generator is started up for it DCC12 series chargers! From Renogy than 40amps would make a nice durable coating/covering for the 60A,. Used to identify whether the generator is started if I can be purchased at the time... Luckily eddie had access to a fish wire, the right-most wire coming into the of... Be purchased at the same time to minimize charging time just over weeks! 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