An external fuse is required for installation. Starts out fine when I run engine and turn on lights. Luckily, there was an existing ground which Eddie could re-use, right under the tail. See photo 3.4. This is a popular option, especially for folks who might want to run an air conditioner off-grid (although youd likely need more than 2000 watt generator power). Renogy's DC to DC charger packs all the same capabilities as any other manufacturer's, at a lower price point. The red dip switched needed to be set for lithium, and in our case, that was : The phone jack , black plug is for temperature regulation (not needed for our Lithium setup), the Green terminal connector, is actually the ONLY on/off switch on this unit. The all-in-one NEG- terminal with partition design integrates the terminals for solar panels, the array starter battery, and the house battery, avoiding misconnection and making the simple installation. Biases to solar power when it is available. Love it. The DC-DC battery charger isolates the input and output to prevent voltage transmission errors and interfere with house battery charging. 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. 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. This is a great piece of kit that is very easy to wire up. They were just totally overwhelmed, trying their best to have their techs work remote and adapt to the Pandemic workflow. When connecting the charger and the battery, make sure the battery poles are clean when connecting the terminals, select a sufficient cross-section for the connection cable, tighten the nuts and bolts with proper torque as loose connections may cause overheating. The D+ Ignition cable is a design method used to identify whether the generator is started. Option: Monitoring Screen for DC-DC MPPT Battery Charger Series. The new ground wire was working as expected, and the red dc wire was turning on the DC unit. How to choose a suitable battery charger? Special thanks to the hard work of Eddie Glonek of Mobile Homestead Solar Services as usual. Please note the D+ Ignition Cable is not included. It is able to charge: Flooded, Gel, AGM, and Lithium batteries using multi-stage charging. One simple way for us to solve this issue would be to just add a third BattleBorn Lithium battery. 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. They created a ticket for me and put me in the queue and told me a tech would get back ASAP. Its a pretty crude tool, which you need to smash the crimper with a heavy hammer (i used an 8# sledge) onto a very hard surface like concrete. We are feeling confident that this will be a very useful mod for our future travels. 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. 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. yowza. 1. 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. How to set the charging voltage value of the charger? Please note the D+ Ignition Cable is not included. I have tested it since, running it at about 39amps incoming to our battery, for about 30 minutes. This battery charger is compatible with both traditional and smart alternators. 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. 4. This one took a few more steps to complete after the fact than normal. When connected with two batteries, it is vital to be able to isolate the two start and service batteries for charging safety. 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. 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. I was able to return the original DC unit to Amazon, now that I had a second unit directly from Renogy (now that we knew the original unit was not defective). The Victron pair you're leaning towards is an excellent choice. Question: can I use a smaller gauge wire like a an 18 gauge wire instead of a hes y 4 g cable? Anybody got an idea? And finally, connect the a DC positive wire to switch ON the converter and see if it works. There is possibly some extra demand and wear that this will put on your alternator, especially if used when not driving. However, I did find that not supplying the BVS which is required but supplying the ignition detection wire that isnt was odd. 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. Why it does this, the lithium battery will take the full 50 amps until it reaches 14.4 volts. Did you leave the charging cable on the 7 pin wired up or did you remove it? We had followed the instructions as closely as possible. As I mentioned if its a 40 amp charger ampacity doubles. 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). Renogy's DC to DC MPPT on-board Battery Charger is designed to give you options! It has multifunctional safety technology including over-voltage protection, over-temperature protection, and reverse polarity protection to make it safer for use. Make sure that the entire system is a 12V system, 2. 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. 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. This is clearly not a problem when you're parked (not running your engine) or driving at night - no solar. 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. This is a good quality hose, very pliable and wide. The Renogy DC-DC Battery Charger with unique dual charging options. With this in mind, the NLDC-40 features a 600W MPPT solar regulator, unlike the NLDC-25's 375W MPPT. 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. Location Make sure to install the B2B charger in a well vented space, and do not obstruct the hot air exhaust: Wiring and Electrical 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. 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+). For our style of camping, having only solar power, we are covered for about 90% of the time. These six charging voltages meet the requirements of lithium batteries and lead-acid batteries in order to provide more charging options. Remove the (4) seat bolts at each corner of the base of the seat. So we did just that and changed out our 50A breaker for a 60A breaker. Easy to install and well made. Ive tried connecting the D+ directly to TT battery but same thing. I see no need for an additional large ground cable. 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. # 1. The DC-DC battery charger isolates the input and output to prevent voltage transmission errors and interfere with house battery charging. Luckily Eddie had a fancy pneumatic ring crimper, perfect for this #4 wire size. If you have any questions, please contact us in time. I appreciate Eddie explaining ( a few times ) , the exact steps Id need to do to finish this one on my own. Ensure that the maximum charging current provided by the DC-DC battery charger does not exceed the maximum charging current allowed by the house battery. The DC-DC battery charger adopts the design of the DIP switch and it provides 6 charging voltage settings through five gears. DC-DC are used in 2 x battery systems where the starter battery charges the house battery to 100% in vehicles or boats. 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. 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. Install is pretty simple. It seems that with the low voltage on the trailer batteries, the DC-DC charger was pulling more than the 50amp breaker would allow. This diagram shows the whole connection of the DC-DC On-Board Battery Charger. Please allow up to 1 to 2 business days for processing and 3 to 5 business days for shipping. Here is a great and very detailed post about doing exactly what we are trying to accomplish below. Maximum System Voltage: 1500V DC (UL) Operating Temperature: -40F to 185F . 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. What is the D+ Ignition cable? Option: Monitoring Screen for DC-DC MPPT Battery Charger Series, Alternator Input Voltage : Traditional Alternator: 13.2-16VDC Smart Alternator (Euro 6): 12-16VDC". The DC-DC will not power on or operate until the D+ ignition cable is connected. Question about the 7 pin. 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. 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). This wire will handle up to 45A and reasonably hot temps inside the engine bay. 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. 18-16AWG copper cable recommended. 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. Trying their best to have their techs work remote and adapt to the hard work of Eddie of. Mod for our future travels trying to accomplish below MPPT solar regulator unlike... 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