But you don’t want to fully drain your batteries either. It makes sense to have such a smaller fridge if you are more into boondocking. But the surprising thing was that they didn’t beat them by much. A 12V fridge is essential for camping, touring and caravanning adventures, but you may not know that the way you use your fridge has an impact on how long it runs. Final Answer: 600 watt hours from Battery / 50.59 watts per hour by Fridge = 11.86 hours when running 20 minutes per hour until 100% discharge. Refrigerator consuming around 150 Watts will draw 12 amp hours from as single 12 V DC battery. Let’s assume this is tested in a laboratory where the outer temperature is 90°F or 32°C. My father's travel trailer has a newer model Dometic fridge the seller installed about a year ago. Coronavirus - is it going to become pandemic? Monitoring your Dometic CFX50 off-road fridge. The only addition is the EMS. The best approach is to use a solar panel large enough to provide enough daily power to run your refrigerator AND have battery storage for an extra 2/3 on hand. The fridge consumes 9 watts per hour and it will run for 24 hours each day. It should not be possible to run the fridge on the leisure battery at all. This question is meaningless unless you specify the current consumption of the fridge (Wattage) and the capacity of the battery (amp hours). on a single charge (When fridge temperature is 5°C). A popular fridge/freezer combo that works great with a Yeti and a regulated 12V cable is the Dometic CFX 50W. Read on to find out all the trips and tricks we recommend for those who want to lower power consumption of your portable fridge. by JC Dil » Thu, 21 Jun 2007 06:21:14 . If the refrigerator does not work when there is working 120 volt electricity and LP gas lines it might be necessary to conduct further RV refrigerator troubleshooting to find out the problem. Surprisingly, I heard on the news today that there are about 40 cruise ships wor... RV: Can I use two 30A outlets to feed a 50A cord? There are no replies made for this post yet. if it was left in freeze mode and drew the 3.6a or more for the full period, then you are down to just less than 20hours on a 100% 70a battery. For example, a fridge only draws power when the compressor is running. Next step is to divide the amp hours of your battery by the current to find how long the fridge will run, 180Ah/37A= 4.86 hours. So finally you installed a new battery, wired a new constant on cig plug, and have your fridge running. It would be wise to only run it for 5-hourly cycles of 20-minutes each to still have a prayer at starting your car. Many vanlifers wonder how long their fridge can run just on battery power. Check Price at Amazon Description of your first forum. Even going down the road, I. This time is less for a long road trip. A regular 6 cubic RV fridge will use around 0.8 amps every hour. I find it hard to imagine a fridge can run for very long before depleting the coach's 12v power. So in theory the battery when full should sustain the fridge 102/2=51 then 50/2.5=20 hours ? What Can we Learn from This? power, Extremely lightweight, ergonomically designed stainless steel Click to see full answer Designed for powering powered coolers and other 12 V appliances while being off-grid. levels of mobile power – up to 40 hours of Dometic CFX 40W cooling Copyright Mitsumedia - All Rights Reserved Usage of this website constitutes acceptance of the website's User Agreement and Privacy Policy: About | Contact | User Agreement | Privacy Policy. A deep cycle house battery will only last a few hours. Start by checking the 12 volt battery to ensure there is at least 10.5 volts of power available to operate the valves. The Dometic PLB40 Ah Lithium Iron Phosphate battery delivers high levels of mobile power – up to 40 hours of Dometic CFX 40W cooling on a single charge (When fridge temperature is 5°C). So the battery will drain out quickly. This means that the fridge will consume 216-watt hours per day. The WFCO and one battery in the trailer are original as is the wiring. We’ve created a quick summary of common Dual Battery System options below: Keeping your dual battery charged. You will need to be logged in to be able to post a reply. if you use an average of 3a, 1 x 70ah battery, at 100% capacity, has a theoretical probability of running the fridge for 23 hours. The only challenge with this fuel source is the ability to fail working when placed on a surface that isn’t flat … The reason for that is so your fridge will not run on 12 V unless the alternator is supplying 12 V power to the fridge. As far as size compared to the power used the Dometic 40W 40 quart portable 12V fridge is by far the most efficient. If you want to run your refrigerator on an inverter, you may need to upgrade your battery bank, by adding extra batteries. For a smaller RV fridge that only consumes less than 70 watts of power can last up to 30 hours with a single 12 Volts battery. Most Dometic refrigerators specifically made for RV can run approximately 6 to 8 hours on a single 12 Volts DC battery. If the fridge is running from the battery without that alternator assistance it will flog your battery to death. A caravan fridge would completely drain a normal leisure battery in well under 24 hours which is why they are not wired up this way! One of the benefits of a 12V compressor fridge is that it can be set up to run straight off of a battery – whether that’s your car battery or a separate solar-powered system for your van’s domestic electronics. Keep in mind that not all appliances constantly need power. 3.9/5 (826 Views. Find your nearest dealer or service partner >, Window & Door Accessories for Motorhomes & Caravans, Motorhome & Caravan Ventilation Accessories, Enables you to travel off-grid for longer, Three-way charging via 12 V socket, solar panel or AC house Most common dometic or narcold refrigerators made specially for RV can last for around 6 to 8 hours on 12 V DC battery depending on the size of the refrigerator. carry-handle, Specifically designed for Dometic CFX and other powered Designed to supply power to powered coolboxes and other 12 V appliances while being off-grid. Login using the form on the right or register an account if you are new here. The Dometic PLB40 Ah Lithium Iron Phosphate battery delivers high Given I have a 2019 315RLTS with a Dometic 12 cu ft refrigerator, what will it take to pull that off? The Dometic portable 12V fridges that were closest in size to the Alpicool ones still beat Alpicool in average power consumption even at hotter temperatures. What Is A Good 12V Fridge/Freezer To Use With A Yeti? What are … Changing your Community Profile: password issue. Welcome to this new forum about van build-outs and. I would like to increase my power storage capabilities and thought about adding another 100 amp battery. He currently has just 1 12v battery but is going to upgrade (replace the 1 with 2 new batteries) in the next week. Usage of this website constitutes acceptance of the website's User Agreement and Privacy Policy: About GPS Coordinate Locations and Distances, COVID-19: United States Travel - Information & Testing, What is the longest continuous direct driving rout. A refrigerator requires lots of power. eg 500Ah battery will give you (500*.8)/50 hours total run time. while being off-grid. Dometic sells fridges and freezers in several different sizes and is one of those devices that need a regulated 12V port to run properly. A smaller boondocking fridge consuming less than 70 watts can last longer than 30 hours. Be sure to check out the newly revamped and expanded forums. Read : How long will the rv refrigerator run on DC battery. How do you monitor your fridge so that it doesn’t kill your battery and leave you stranded in a remote campsite? DOMETIC PLB40 coolers. hiPSI , Jul 1, 2019 #5 The only time we ever run the fridge on 12 volts is while driving down the road. I have since been able to rectify the switch which was originally not working. So, if your refrigerator (or any other appliance) will consume 30 amp-hours per day, you should have battery storage of 90 amp-hours capacity and a solar panel of around 80 watts or greater capacity to ensure you won't have problems. Example: 35W portable fridge/freezer: estimated run … 10 Votes) So, if your refrigerator (or any other appliance) will consume 30 amp-hours per day, you should have battery storage of 90 amp-hours capacity and a solar panel of around 80 watts or greater capacity to ensure you won't have problems. See Also: Best Heated Drinking Water Hose For RV, Campers + DIY Method Dometic 40 l fridge freezer 12v/220v Second battery in national luna box with national luna solonoid sytem -Deep cycle battery 12 volt 102 amp We measured what we could and the fridges seems to draw between 2.5 amp and 3 amps per hour. you can enjoy true independence and travel off-grid for longer. Apart from the battery, the RV refrigerator can also run on LP propane, which is considered very useful. So, if your refrigerator (or any other appliance) consumes 30 amp-hours per day, you should have battery storage of 90 amp-hours capacity and a solar panel of around 80 watts or greater. Fridge draws 12 amps....solar puts out 10 amps...so not quite keeping up with fridge, but it helps as it takes a lot longer to flatten battery....which means we don't have to hurry over lunch etc. A starting battery will be discharged in 30 - 60 minutes. LP Propane Gas. Corona Virus (Covid-19) - What is your experience? Tug charges battery at 30 amps once we get moving again...and it generally recovers in a couple of hours or so. Okay, I don't have the skills and tools to do a full customized van build. Ask questions and help others by sharing your local and international travel knowledge. Your refrigerator will run for 8 – 10 hours with the batteries on. how long can a dometic fridge run on 12 volt. 13 post • Page: 1 of 1. how long can a dometic fridge run on 12 volt. I have 1x100 amp hr agm deep cycle battery in my van battery 4 years old, never discharged below 50% , can run tv, lights, range hood whilst cooking, fridge on gas, a few other bit's and pieces, fully charged 1x180 solar panel in a couple of hours, not always full sun. I don't have that fridge but, judging by how long headlights or stereo take to run down the battery, I would think the battery life would be measured in minutes, not hours. If you fully charge your battery and let it sit for 6 hours before turning the RV furnace on your RV fridge may have taken around 5 amps from the RV battery. Welcome to this new forum which is about van build-outs and conversions. Additionally, how many solar panels does it take to run a Dometic fridge? Dometic CFX 50W. The Problem May Lie in the Batteries A refrigerator needs a lot of power, and your RV battery bank is finite; unlike being plugged in, your batteries will be drained in as little as one day running a refrigerator. Only the engine battery.There should be a relay that only switches the fridge to 12 Volts when the engine is running, When you stop the engine the relay drops out and disconnects it from the engine battery. Thanks to its lightweight and compact design you can enjoy true independence and travel off-grid for longer. Don't plan on using the 12V mode at all. Thanks to its lightweight and compact design Look for the watt rating of your appliances, and make an estimate of how long the appliance will run in one day. In modern vans however, the fridge controls will run from the leisure battery so that the fridge can run on gas. How long can a dometic fridge last on battery power only? I am having problems with the 12v side of my dometic fridge. Thanks to its lightweight and compact design you can enjoy true independence and travel off-grid for longer. It now includes a &... We can do this about anywhere but what I really like about Missouri is that as a... Would you like to setup your own blog related to travel? supply power to powered coolboxes and other 12 V appliances Since I would not want to deal with diesel engines in the Sprinter vans, the two... Got a bucket list for your travel in the USA? The manual says it is tri-mode, runs on 12 volt in addition to 110 and propane. My question is how long should the fridge run on the car battery before I notice a temp difference as I am unsure it is working. Dometic PLB40 - The Dometic PLB40 Ah Lithium Iron Phosphate battery delivers high levels of mobile power – up to 53 hours of Dometic CFX3 45 cooling on a single charge. Or 400/50=8 hours run time dropping 80% of the battery charge. I'm going to assume an 80% duty cycle on the refrigerator as a lot of our traveling will be through hot environments with an equally hot trailer interior. How long you need to run the fridge; How long you can go in between charges; Like everything in life, there are lots of options. 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