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 anchored these to the wall so there would be no real stress points and tested all connections. This is a great piece of kit that is very easy to wire up. Easily install the compact yet sturdy DC-DC battery charger on RV's, commercial vehicles, boats, yachts, and many more applications! Posts: 8. For added safety to personnel, the DCC12 isolates the input from the output preventing incorrect voltage transmission. High-quality DC-DC chargers are three-stage chargers. But the unit would NOT power up at all. 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. 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. This will give maximum battery cell life. This side of the DC Charger is the Incoming power from the hose connector, the two #4 cables that run out of the camper, along the frame, and can be connected to the Truck-side Anderson Connector plug. The new ground wire was working as expected, and the red dc wire was turning on the DC unit. 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. Step 2 : contact Eddie ! If you have any questions regarding this product, pleasesubmit a case. 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. The key components of a solar van installation are: Solar panels: Solar panels come in two main types: monocrystalline and polycrystalline. 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. Bluetooth Monitoring Ready! This controller supports Gel, AGM, Flooded, and Lithium battery, but please make sure to set the correct battery type once it is installed. 2. 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. 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. If you have any questions regarding this product, please, More questions about your off-grid power system? 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. The large terminal screw bolts are far too short for large cables and is a struggle to get the cables screwed down, All you need to fix this problem are longer terminal screw bolts. 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. 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). Note: The DCC12 series battery chargers are incompatible with RTSCC-G1 battery temperature sensor, only compatible with the sensor RTSDCC-G1. See photo 6.9. hi Jim, thanks for reading. It is able to charge: Flooded, Gel, AGM, and Lithium batteries using multi-stage charging. What is the D+ Ignition cable? Very happy so far. This Renogy DC-DC battery charger is compatible with traditional and smart alternators. I use a small fan to help it stop overheating. 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 to spend some much appreciated time with our family. Of course, this step got repeated a few times on the cabling on the Truck and inside the camper, just showing his current method. This side of the DC Charger is the outgoing power, which connects to the camper batteries. 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. This Renogy DC-DC battery charger is compatible with traditional and smart alternators. 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). This enables the backup battery's charge to be replenished quickly. Opened up the hood of the truck and flipped the breaker to ON which means we were sending power from the truck battery to the DC Charger. A DC to DC Charger is designed to charge secondary batteries while driving using the primary battery connected to the alternator. 1. CE certification. 2. hi there sorry for the slow response. 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. Hey guys, so I've been meaning to figure out how to properly have my alternator charge my house batteries. 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. I also ordered another Renogy DC-DC Charger, this time directly from Renogy instead of from Amazon, just in case this would help accelerate in getting customer support going forward. 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. 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. 3. 3. 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. Step 3 : gather the parts and gear needed for the install. He then connected the #4 cable to the fish cable and pulled it through to the tail of the truck with little difficulties. This battery charger is compatible with both traditional and smart alternators. Totally demoralizing after a long 6-7 hour overall project effort. 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%. Lift off the seat, its heavy, I just sat it on a crate positioned between the two seats.5. An external fuse is required for installation. 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. SW5 switch is the selection switch for switching between lead-acid batteries and lithium batteries. The VSR also ensures reliable isolation between the starting battery and service battery, avoiding charging interference. Everything was connected up and it just works. So we did just that and changed out our 50A breaker for a 60A breaker. Please refer to the manual on page 15 for Battery Type LED. 1. To our surprise, upon arrival in Green River, after charging for only 1 hour, our 200ah battery was charged from 54% to 100% ! The compact and robust design makes it suitable for all conditions. 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. 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. Installing your own DC-DC Charger at home is actually incredibly simple when you follow this easy step-by-step guide! This was his first time installing a DC-DC charger in a towable camper, but he was up for it. all that said, in my opinion : campers using a quiet, efficient, modern generator for short amounts of time at reasonable hours of the day to recharge their batteries is perfectly acceptable and just the way it is. Key Features This diagram shows the whole connection of the DC-DC On-Board Battery Charger. These six charging voltages meet the requirements of lithium batteries and lead-acid batteries in order to provide more charging options. Eddie added some scrap wood and drilled it to the floor of the camper, right next to the Inverter. - 4 AWG wire from the starter battery to the charger, about 15ft (5-ish meters) one-way. How to set the charging voltage value of the charger? I have dealt with Renogy Customer Service in the past, and they were very responsive. 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. Just adding another 100ah battery would probably be enough to get us through an extra one to three additional days of no solar. Links to all products Cahn uses below. 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. Question: can I use a smaller gauge wire like a an 18 gauge wire instead of a hes y 4 g cable? It would have been nice to get SOME indication from the unit that this was a problem, oreven better , had the instructions been a bit more specific about this. 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. I am experiencing the same problem for my 2.0 amp Renogy charger no green light. 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). And finally, connect the a DC positive wire to switch ON the converter and see if it works. 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. It allows me to charge my batteries with proper multi-stage charging by both my alternator AND solar panels. 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. Love it. Check out Rays video on this subject at this point of the video linke : https://youtu.be/ww_4yhQPGwY?t=643 . Charger Bob L on Jun 23rd 2022 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 you need to have active cooling like a small inbuilt fan to fix the overheating? See photo 5.8. 3-phase MPPT Charging Technology I used some WAGO connectors for both the positive and negative side of this marker light, because I had multiple things I wanted to connect to this marker light power, now that I had it available. Why it does this, the lithium battery will take the full 50 amps until it reaches 14.4 volts. 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: . 12V 40A DC to DC On-Board Battery Charger. This can be configured to do just that. Thanks for the update. 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. 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. The charger needs to select the charging mode according to the battery voltage. CE certification. Renogy's DC to DC MPPT on-board Battery Charger is designed to give you options! If the battery charger is connected to the starting battery and solar panels at the same time, the maximum input current will be 15A for each; if the battery charger only connects one of the two DC inputs, the maximum input current will be 30A. : The theory was, wed use one long run of the #4 welding cable to run from the Trucks battery, all the way to the tail of the truck. step 13 : old lucky 13 ! 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+). Luckily Eddie had access to a fish wire, which easily passed through the channel. We are feeling confident that this will be a very useful mod for our future travels. 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. About 15ft ( 5-ish meters ) one-way outgoing power, which easily through! 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