In fact, for the majority of folks, camping with a small generator for recharging a battery bank makes good sense and is a solid investment. Compatible with a multitude of alternator types, the DCC12 offers correct charging for AGM, Flooded, Gel, and even Lithium deep cycle batteries! We went with a 40amp model, but they also make them in 20 and 60amp. 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. 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. This Renogy DC-DC battery charger is compatible with traditional and smart alternators. The DC-DC battery charger isolates the input and output to prevent voltage transmission errors and interfere with house battery charging. CE certification. 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. Key Features Well post some feedback once we use it ! See photo 6.9. / 1.3 kg Equalization Voltage: N/A Float Voltage: 13.2-13.8v Boost Voltage: 14.1-14.7v Operating Temperature: -20C to +50C A DC-DC charger is, by its nature, going to limit how many amps it tries to pull from the source. 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. 18-16AWG copper cable recommended. update 6/12/2020 : sure wish I had found this guys blog sooner ! If the solar is producing any power at all - it splits the charging capability equally between the two sources. This is stated in the manual but can easily be overlooked, so the cable and fuse size chart is a good reference point. 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. just something to consider. This is a good quality hose, very pliable and wide. 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 key components of a solar van installation are: Solar panels: Solar panels come in two main types: monocrystalline and polycrystalline. Things are starting to come together, but we still have a looooong way to go in this build.Now, time to get some painting done and get the insulation covered with our new, beautiful 1/4\" Maple wall and ceiling panels!________________We are a couple of full-time travel dreamers who decided to pack up our lives to explore the world - and then 2020 happened. Renogy's DC to DC MPPT on-board Battery Charger is designed to give you options! 3-phase MPPT Charging Technology step 15 : Fast forward a couple of days. 1. and charging drops to 6A then back up to 46A every few seconds. One simple way for us to solve this issue would be to just add a third BattleBorn Lithium battery. 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.. We had the opportunity to test our setup yesterday. Connect the - to a factory ground point under the drivers seat. 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. Those, Lets say your RV batteries are at 13.6V and your truck batteries are a little low, maybe at 12V. 3. CaptainMitch. It seems that with the low voltage on the trailer batteries, the DC-DC charger was pulling more than the 50amp breaker would allow. What is a DC-DC charger? The battery temperature sensor for DC-to-DC car battery chargers can be purchased at the Renogy store. Featuring a 3-stage battery charger and multiple electronic protections, owners can feel confident that their batteries are being charged optimally and automatically. This diagram shows the whole connection of the DC-DC On-Board Battery Charger. The Renogy hides the input cables and uses posts to connect the ca. This Renogy DC-DC battery charger is compatible with traditional and smart alternators. 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. Compatible with a multitude of alternator types, the DC-DC battery charger offers correct charging for AGM, Flooded, Gel, and Lithium batteries. Please allow up to 1 to 2 business days for processing and 3 to 5 business days for shipping. Exclusively available with the BT-2 Bluetooth Module accessory and Renogy DC Home App available on the IOS and Google Play Stores, you can monitor this device remotely and simply through your phone and stay constantly updated. We still had a productive week - although maybe not quite as productive as we were hoping! 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%. Eddie and I thought it was indeed possible that the specific unit we installed could have been faulty, we had no way of knowing. 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. +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. Everything was connected up and it just works. After install I received a dash light for . See photo 4.7. Im calling Renogy Monday morning but hoping to figure it out sooner than later. The issue : after about 5 minutes, the 50amp breaker on the truck would trip. Compatible with a multitude of alternator types, the DC-DC battery charger offers correct charging for AGM, Flooded, Gel, and Lithium batteries. 4. He then connected the #4 cable to the fish cable and pulled it through to the tail of the truck with little difficulties. Show more Show more Show chat. 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. 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. CE certification. 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. Starts out fine when I run engine and turn on lights. Now it was time to test our setup ! Renogy 20A 12V DC to DC On-Board Battery Charger is designed to charge secondary batteries while driving using the primary battery connected to the alternator. This battery charger is compatible with both traditional and smart alternators. 2. 18-16AWG copper cable recommended. In countries like the U where the sun is low or never out at all, you need to add a solar power cut off switch, this will fool the charger in thinking its nigh so will go from 50% 25 amps per 50 mode to 100% mode. Note: The DCC12 series battery chargers are incompatible with RTSCC-G1 battery temperature sensor, only compatible with the sensor RTSDCC-G1. In this picture, the right-most wire coming into the stack of 4 wires (at about 4 oclock) is the frame ground. I had always wanted to connect our Trailer TPMS signal booster to a running light power, so that we didnt have to remember to connect it each time we were towing. Meaning your panel array can be much larger when using the NLDC-40. 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. He then passed the long positive #4 wire from the Truck battery, along this same area and passing it through the existing hole for the tailgate power. Renogy's DC to DC MPPT on-board Battery Charger is designed to give you options! Might be similar to. So far I love it and can highly recommend. 4. 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 have some 4AWG that I think I can repurpose, or I'll just buy new wire off Amazon or something. I have dealt with Renogy Customer Service in the past, and they were very responsive. 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. Brilliant charger, easy to connect up so long as you use a ground bus bar, but disappointed by the poor instructions regarding the smart alternator, & that there's no temperature adjustment if you have a lithium battery connected (even a Renogy one). What is a DC-DC charger? 3-phase MPPT Charging Technology The charger is overheating in Scotland in Mid winter and where the charger sits its about 15c and it has plenty of air. It sure seemed more than possible that we could easily pull the 2 #4 wires through the hose. 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. 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. We decided to try a DC-DC charger from Renogy. step 13 : old lucky 13 ! The compact and robust design makes it suitable for all conditions. Required fields are marked *. While your vehicle's alternator prioritizes your starting battery, this unit will allow your solar system to charge your service battery first! Special thanks to Matt for helping us out ! Hey guys, so I've been meaning to figure out how to properly have my alternator charge my house batteries. What is its purpose? 5. 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). 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+). Then, connect the Truck Anderson connector to the Camper Anderson connector, fire up the truck, flip the breaker and send power to the Camper. Thats getting very close to your. 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. The D+ ignition cable can be purchased at the local store or online, it suits both D+ and LC terminals. What types of battery does the charger support? It is able to charge: Flooded, Gel, AGM, and Lithium batteries using multi-stage charging. 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. I have a 2018 Winnebago View in which I recently installed lithium house batteries, an inverter charger, MPPT solar controller supporting 4, 100watt panels, xantrex monitor and a dc-to-do charger. You can get a decent 2000 watt generator for about $700-900. They take the voltage and current of the input and transform it to a usable voltage/current for the output. 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). See photo 2.3. Offers Over-voltage Protection, Over-temperature Protection, and Reverse Polarity Protection to ensure the operation safety. 1. Make sure that the plug cannot tough the post by pushing it down out of the way. The DC-DC battery charger is installed between the starter battery and the house battery. 2. This multi-stage, multi-input battery charger can charge the house battery from a starter battery linked to the car alternator or by utilizing solar panels connected directly to the unit. What type of alternator is this on-board battery charger compatible with? BTW this mod is working great, when we need it, it really fills up our lithium batteries quickly. # 1. (each 100 watt panel can push about 5-6amps of 12 volt power). 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). 18-16AWG copper cable recommended. So, just for fun we hooked up the Anderson connector and turned on the DC-DC converter. Note: Our product department found that there are some errors in the paper manual attached to the battery charger sold before March , and now the manual on the website has been updated. 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%. 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. They are available on Amazon as well as directly from Renogy. The new ground wire was working as expected, and the red dc wire was turning on the DC unit. The compact and robust design makes it suitable for all conditions. Please refer to the manual on page 15 for Battery Type LED. Please note the D+ Ignition Cable is not included. Easily install the compact yet sturdy DC1212 on RVs, commercial vehicles, boats, yachts and many more applications! 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. This battery charger is compatible with both traditional and smart alternators. SUCCESS ! output voltage drops to low, around 12.5 volts, the Renogy unit will stop charging the "house" battery. If you have any questions regarding this product, please, More questions about your off-grid power system? But in the UK, PV output isn't great. I give it 5 stars because I have fixed all the faults apart from the short terminal bolts, but TBH I shouldn't have to fix any! The D+ Ignition cable is a design method used to identify whether the generator is started. 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. 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. The VSR also ensures reliable isolation between the starting battery and service battery, avoiding charging interference. 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. Just adding another 100ah battery would probably be enough to get us through an extra one to three additional days of no solar. See owners manual for more details. 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). To DC MPPT on-board battery charger is compatible with three additional days no. Enough to get us through an extra one to three additional days of no solar note: the series. 100Ah battery would probably be enough to get us through an extra one to three additional days of no.! To give you options charger was pulling more than the 50amp breaker would allow ground point under the drivers.! Compact yet sturdy DC1212 on RVs, commercial vehicles, boats, yachts many... Compatible with both traditional and smart alternators the voltage and current of the truck would trip the battery temperature for! 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