Also protects the vehicle charging system from over depleting the vehicle battery. 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. DCC30S 12V 30A Dual Input DC-DC On-Board Battery Charger with MPPT. 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. Location Make sure to install the B2B charger in a well vented space, and do not obstruct the hot air exhaust: Wiring and Electrical just something to consider. We only added one ring connector, because we were going to pull the other end, then cut to the perfect run length to terminate on the tail of the truck. 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. How to choose a suitable battery charger? Also note, I increased the breaker amps in a subsequent edit to this post. 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. 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. Step 5 : make a nice ring connector on the engine end of the #4 wire. Please note the LC cable is not included. 1. here is a closeup of the anderson connector on the tail of the Truck (source) and the trailer side (load) the garden hose connector. In Theory. Please allow up to 1 to 2 business days for processing and 3 to 5 business days for shipping. 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. Most folks would just add a gas or propane generator to recharge their batteries and/or just create temporary shore power. 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%. The manufacturer knows their product better than anyone else. 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). Renogy's DC to DC MPPT on-board Battery Charger is designed to give you options! For additional safety, it isolates the input from the output preventing incorrect voltage transmission. SW5 switch is the selection switch for switching between lead-acid batteries and lithium batteries. However, we arent most folks I guess specifically because my wife is NOT a fan of generators. Renogy 40A DC-DC Charger 60 Amp Switchable Breaker 50 Amp Switchable Breaker Battery Terminal Fuse Holder (if not already on battery) 60 Amp Terminal Fuse 4 GA Cable 20 FT 100% Copper Booster Cables Anderson Type Connectors 4 GA Lugs and Heat Shrink Hydraulic Crimper Bernzomatic Torch Vamplier Electrician Scissors Uni-T Clamp-On Amp Meter 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. Do not reverse the polarity since the reverse polarity of the battery connections can cause injury and damage to the device. step 17 : So now that we knew everything was rewired and working properly, it was time to connect the DC ON wire to a 12 volt source, in our case, some running lights so that when the truck is in tow mode you could send power, if desired, to the DC Charger. Polycrystalline panels are cheaper, but they are also less efficient. yowza. We tested out our Renogy 40A DC-to-DC charger, tried to install our plywood roofing, and put in some potlights to finally give our van some much needed light! 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. 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. We decided to try a DC-DC charger from Renogy . Make sure that the plug cannot tough the post by pushing it down out of the way. But in the UK, PV output isn't great. For added safety to personnel, the DCC12 isolates the input from the output preventing incorrect voltage transmission. If the efficiency of the DC charger is 95% then that would need 49.8A @ 11.5V. So if you leave the solar on on a cloudy day, yo will get 25 amps from the alternator and maybe 1 amps from the solar, you are then losing around 24 amps. 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 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). 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. See owners manual for more details. 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). 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). Click here for prices on amazon.com victron orion tr smart dc to dc battery charger Get Started With Off-Grid Solar Power 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. 12V 20A DC to DC On-Board Battery Charger. The key components of a solar van installation are: Solar panels: Solar panels come in two main types: monocrystalline and polycrystalline. 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. The wire gauge is so small (like 12g?) 50A DC DC Board Battery Charger with MPPT Renogy 20/40/60A DC to DC Battery Charger Rover 20/30/40/60/100 Amp MPPT Charge Controller Rover Elite 20/40A MPPT Solar Charge Controller 40A Set w Holder ANL Fuse, 40 amp (40A ANL Fuse Set w/Fuse) Renogy One All-in-One Smart Panel System Energy Monitoring ; Nominal System Voltage : 12V DC : 12V DC So I chopped the alligator clips, and these wires had an impossibly small #20 wire. The Renogy DC-DC Battery Charger is multi-certified to CE, FCC, and PoHs. I anchored these to the wall so there would be no real stress points and tested all connections. And what the heck does that mean ? The charge wire comes out of the split loom over to the copper bus side of the circuit breakers. The DC-DC will not power on or operate until the D+ ignition cable is connected. UPDATE Feb 27th, 2020 - I decided to buy myself a Renogy DC-DC charger meant for the task. The RV came with a mechanical solenoid isolator b. While we were on the road, and waiting for Renogy to return our call (which they tried to call a few times, but we were always in a no-cell zone when they did) , Eddie called up Ray from Love Your RV to get some troubleshooting advice, as well as doing some research on forums and on the web to see what we might have missed, just in case it wasnt a defective converter that caused the issue. The new ground wire was working as expected, and the red dc wire was turning on the DC unit. welcome to our little blog. Below is a proud Eddie, and his new Load side Anderson connector. CaptainMitch. I had seen Ray over at Love Your RV do this upgrade on his 5th wheel, so we were hoping to do the same. 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. Its a great MPPT Solar controller/DC to DC battery charger. I also test out using an old Bogart SC2030 solar charge controller I have laying around for alternator charging. What types of battery does the charger support? 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. Easy to install and well made. 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. Special thanks to Matt for helping us out ! 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. 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. What is a DC-DC charger? Posts: 8. 4. document.getElementById( "ak_js_1" ).setAttribute( "value", ( new Date() ).getTime() ); im out at Hartman Rocks, just outside of Gunnison, CO. 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 It came with a positive / negative alligator clip that you can just connect to your battery. If the Alt. 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. 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. This means that, all I had to do was run a #4 cable from the shunt, snake it through the existing wiring, and terminate that cable in the back of the DC Charger, on the Input side. Step 2 : contact Eddie ! As I mentioned if its a 40 amp charger ampacity doubles. Then, connect the Truck Anderson connector to the Camper Anderson connector, fire up the truck, flip the breaker and send power to the Camper. What is its purpose? 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. Install is pretty simple. 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. Renogy Dual Input DC-DC On Board MPPT Battery Charger with its built-in VSR allows vehicle owners to enjoy the benefits of fully charged deep cycle service batteries while reliably isolating it to the engine starting battery with one easy-to-install charging system. 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