how long will an rv residential fridge run on battery

But, the question is “How Long will an RV Fridge Run on Battery?”. But there is no hard and fast rule, it’s more a matter of what you are comfortable with. This will allow you to convert the electricity stored in your battery bank for use by the fridge. Under this circumstance, the RV refrigerator could run for about 4 to 5 hours using a single 12 Volts battery that can supply 100 amp-hours. Say you have a 12-volt battery with a rating of 100Ah, or amp-hours. Knowing how long you have to run your refrigerator is a matter of understanding your setup, and I’ll help you figure out how much time you actually have.eval(ez_write_tag([[250,250],'lifeonroute_com-medrectangle-4','ezslot_10',104,'0','0'])); There is no single answer to this question, unfortunately, other than it depends. This is primarily because the RV refrigerators operating off of 12-volt would tend to drain the battery down after six to eight hours of use. However, in reality, if you discharge a lead-acid battery (what you likely have in your RV) more than 50% of the rated capacity you will greatly shorten the life span of the battery. 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. A residential RV fridge will last for about 12 hours on batteries. But you can find more efficient, smaller 3-way fridges. Therefore, when calculating the reserve amp-hours of your RV’s batteries, the usable power will be … While the battery is mainly used to power the front thermostat and control panel, the front LEDs, and any other added features, the refrigerator is not able to run without these. In short, a residential fridge is much more energy efficient than an RV fridge on AC, but because the inverter is on more, you will consume more overall battery power in a given day. If I can get 10-12 hours out of it then it just might be worth the $$ so Fran doesn't have … It is highly important that we know the answer to this question so that we can do some adjustments and prepare ahead. To ensure that you get to maximize the amp-hours the battery can give, you have to make sure that they are in good condition. But do RV fridges need battery to run on propane? This factor is also affected by the size and age of the refrigerator. With size, the larger your refrigerator the more power it consumes. I did see one Dometic that was a 3 way and 5 cubic feet (think mini fridge) that only used 175 W, so that baby would have about 6 hours of useable battery run time. On the other hand, connecting batteries in parallel will increase the apps. You may have wondered if your RV refrigerator will run off your battery if you find yourself having to dry camp with a stocked fridge. The answer is.... 25AH at 12volts WHEN the compressor is running. As with age, the older the refrigerator the more power it also consumes. However, when you are out there camping, it is not readily available. This actually causes damage, and doing this will degrade the battery over time. Check out the Fix It Yourself RV Repair Course. On average residential fridges tend to run for up to 12 hours on battery. Will an RV Fridge Work Without the Battery? Lastly, it will be close to impossible to run an RV fridge when using a battery as a source of power because it will last only for 3-8 hours. RV refrigerators are not meant to run on battery alone for long periods of time, and it depends on your RV model, but exactly how much time you have is going to depend on a number of different factors. Since all batteries put out DC power, you’re going to need an inverter to run these refrigerators on batteries. The amps drawn are on a per hour basis, so you can easily calculate how many hours your refrigerator will work. With the help of an inverter, the DC from the battery will be converted to AC to power the refrigerator. Knowing what kind of battery is in your RV and what its battery rating is will let you calculate how many hours your refrigerator will run. If you store a lot of food consistently then you may want to go for the compression fridge, not only for the added space they tend to have but also for the higher battery life (10-12h) and the more even cooling on the go. Diane and Beau, are a family obsessed with getting the most out of life. And that’s for chilling food that is already cold, let alone food that’s at room temperature. One good way to prolong RV refrigerator use while boondocking is to get multiple batteries connected together. As for whether or not you should get an absorption fridge or a compression (residential)  fridge, that is going to depend on how you camp more than everything. The number of hours is also affected by the power consumption of your RV refrigerator. But wait! You need a lead-acid battery of 104 Ah to run an efficient top-loading fridge for two days. If you are using your refridgerator on LP while driving you should be take the necessary steps to shut down the LP prior to entering a gas station, boarding a ferry or entering a long tunnel. There are actually several factors affecting the number of hours an RV fridge lasts. This is also variable depending on your battery’s strength. First of all, residential fridges operate way differently compared to RV fridges.For one, they are only powered by AC power, and using an inverter, the DC from a battery can be converted into AC and then power the refrigerator. The residential refrigerator has been introduced in exchange of stock refrigerator in RV. Some RVs run off of a single 12-volt battery, while others run off of four 6-volt batteries. As I mentioned above you don’t want to fully drain lead acid batteries so really you can get about 3.5 hours of fridge usage on battery. But for us 12V-only boondocking types, that means that the fridge would drain a 300-amp-hour battery pack every day . The Good And The Bad PROS. fridges don’t cool property if they aren’t completely level. When I was pregnant with my first daughter I wondered how to fit a high chair into our 25ft RV. Start by checking the 12 volt battery to ensure there is at least 10.5 volts of power available to operate the valves. Hey RVer! Storing your RV’s battery over the winter is a great way to increase its lifespan. Then I was given a Summer Infant... How to Store an RV Battery for the Winter. Knowing that you have a 2-way fridge running on an inverter, the information out there states that your battery will last about 3 hours. Our 2-way fridge uses around 400 watts on AC power, and we have 2 12-volt deep cycle batteries which rate around 90Ah each. 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. RV house batteries expel less energy (measured in amps) at once, but must last for a longer period of time, as they’re responsible for routing electricity to an RV’s cabin. But let’s check the math.eval(ez_write_tag([[336,280],'lifeonroute_com-leader-1','ezslot_11',108,'0','0'])); I sourced a similar sized fridge to my current 6 cubic foot 2-way absorption fridge and found it used a bit less power, about 324 watts. Often they have two ways of powering the compressor either through 12-volt battery power or 110-volt power, hence the name two way refrigerator… It does not matter whether you are using a newer or an old version; the ground needs to be level to get the best out of your RV’s fridge. Another thing to consider is what kind of battery you have. None of the sources of power RV fridges use are perfect since 120 AC power source requires you to have a battery that can generate enough power to keep the fridge running at all times. So, we need 160 Amp-hours of battery. These work almost exactly the same as the 2-way fridges in regards to their power use while on LP gas, and they are the most common refrigerator type in newer RV models. Copyright text 2020 by RV Living. Another time you may want to switch to propane is while making longer stops during your travel. Tired of Expensive RV Repairs? Thus, before you go, you have to make sure that your RV refrigerator can last throughout the whole journey. 3-way fridges are very similar to 2-way fridges in that they are absorption refrigerators that can run on LP gas and AC power, but they have the added ability of being able to run on DC power directly. RV refrigerators are available in two styles, either a compressor-powered refrigerator or an absorption refrigerator. How Long Will an RV Fridge Run on a Battery? That just wasn’t sufficient! At this rate, the residential fridge would use about 8amps each hour while on inverter and batteries. Your refrigerator in your RV will run off of propane with the control board running off of 12 volt battery power. If you have a 240 watt inverter that you want to plug into this battery, divide the watts by the volts to get the number of amps needed per hour. RV refrigerator is an essential appliance needed to keep foods fresh and cool while camping in RV. However, the modern RV refrigerators have been designed with features that ensure cold temperatures for up to 10 hours. When you are on a road trip or camping perhaps, a handy RV refrigerator is very important because it will store and keep your foods fresh for consumption. If you’re in the market for a new RV refrigerator and you want to be conscious about its battery usage, you’re definitely better off getting a 3-way fridge over a 2-way. We run our 10 cuft residential fridge on 4 12v Interstate batteries that offer about 160 usable amp hours and 300 watts of solar. by: Anonymous . Sick of wasting your time at the Mechanic? Under this circumstance, the RV refrigerator could run for about 4 to 5 hours using a single 12 Volts battery that can supply 100 amp-hours. Will an RV Fridge Run off the Battery While Driving? So the battery will drain out quickly. Many don’t recommend running your fridge on liquid propane gas while driving. Multiple batteries can be combined together to add even more capacity, but a 10 kWh home battery is usually what most homeowners install. Find a Power Source. But there are so many factors that can affect this so I’ll show you how to calculate the length of time you can run your fridge on battery only. Now, that we already have a sort of idea of how long RV refrigerators last using batteries, then here are some tips that you can use to be able to utilize these RV refrigerators for long. Fridge Power x 1/Inverter Efficiency = Power Needed, Power Needed / 12V = Current Needed From Battery, Battery Amp Hours x # of Batteries = Total Battery Amp Hours, Total Battery Amp Hours / Current Needed From Battery = Total Fridge Run Time on Battery, Total Fridge Run Time on Battery / 2 = Useable Battery Run Time. We also have to take into account our inverter. Fortunately, depending on your set-up and your fridge, you may be able to use your battery to keep your fridge cold while driving, which saves you from having to mess with LP gas on the go.eval(ez_write_tag([[300,250],'lifeonroute_com-large-mobile-banner-2','ezslot_14',110,'0','0'])); Driving is one of the best times to use the battery to power your fridge, because the battery is constantly getting recharged by the alternator. That being said if you are driving with your fridge on LP, you are driving down the road with an open flame. Diane is a lover of all things travel. 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. What Are the Best RV Refrigerators? We found that the quoted price for an RV or residential fridge equipped RV to be similar but the profit margin on the residential fridge to be larger. They are so small and do not hold enough food for people who live their full time are on long trips. Now convert the power to amps by dividing by voltage, 444W/12V= 37A. 240W/12V is 20A. Our calculation is a bit easier since the inverter is out of the loop but the process is similar. 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. Some batteries are also built for heavy use and can be drained to only 20% remaining. A residential RV fridge will last for about 12 hours on batteries. The refrigerator is about a 0.6 amp load in my RV, while the CO and propane monitor and refrigerator run about 1.8 amps per hour 24/7. Not only that how would it work at campsites and on picnic tables. A 2-way refrigerator refers to an absorption refrigerator that can run off of either LP gas or AC power. There are several systems in your RV that run constantly and will drain your battery, and even worse - your... RV Repairs are the most expensive part of RV Ownership. So if my fridge needs 324 watts I convert the power to amps by dividing by voltage, 324W/12V= 27A. We found that the salesman pushed the residential fridge, saying that they could run off of the battery for up to three days and that they will stay cold for up to eight hours while traveling. You cannot run a 2-way refrigerator without an inverter. You now know how to calculate it once you have all of the information, but you don’t have to revisit your high school physics class to get the same answer easier. For a plugged-in RV, this is no big deal. This site is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to Amazon.com. Since you can ditch the inverter and run just off of DC power this does increase your run time a bit, according to some internet sources it can bump up to 6 hours, with other sources even claiming 8-10 hours. If you have more batteries on hand, then you can run the RV fridge for more hours. Before you go out and buy yourself the latest residential refrigerator, consider the list below. This time is less for a long road trip. -  Designed by Thrive Themes In order for these refrigerators to run, you need batteries to power them on. Using my Amazon-linked example, we need to store at least 1920 watts a day, at 12 volts. Hotter temperatures may make the fridge work harder and consume more energy, as would opening and closing the fridge repeatedly throughout the day. Compression fridges or “residential” fridges tend to run for much longer on battery – up to 12 hours – compared to absorption fridges that usually last around 3 hours. Your refrigerator will run for 8 – 10 hours with the batteries on. While various conditions will dictate how often the compressor runs, during my test the compressor ran about 20 minutes each hour. eval(ez_write_tag([[300,250],'lifeonroute_com-box-4','ezslot_6',105,'0','0'])); You should never drain a battery past 50% that isn’t meant to be used heavily, so realistically with the above setup you would have 2.5 hours to use your fridge. One factor that is going to have the largest impact is whether your refrigerator is a compression fridge or an absorption fridge. | Powered by WordPress, Actual power consumption of RV refrigerator, Check the actual power consumption of your RV refrigerator, Make sure the batteries are in good condition. link to Pop and Sit Portable Booster Review - Reasons to Love It, link to How to Store an RV Battery for the Winter. Our camping experience would not be complete without a running refrigerator that stores all our food. An absorption fridge will run on batteries only for about 3 hours but if using propane too it will last for weeks. Thanks to batteries, having a fridge in RV is still possible. For instance, if you have a refrigerator that utilizes 150 watts of power, your refrigerator is only expected to last for 4 to 5 hours. During a power outage, assuming you have a fully charged home battery, you will be able to use almost all of the 10 kWh of stored energy. These factors include: One of the factors that affect the number of hours RV fridge lasts is the number of amp factors afforded by batteries. Hey Traveller! Testing one 12 volt battery in winter to find out just how long you can run your RV furnace to stay warm. While it is certainly possible to run a refrigerator off of battery power, you’re going to want to know as accurately as possible how long that is in order to keep your food from going bad while you’re camping. Lead acid batteries should not be drained more than 50% so for our case we can only run our fridge for about 2.5 hours on battery only. A normal residential refrigerator or an RV fridge that consumes 150 watts of power would approximately draw 12-amp hours from a 12 Volts battery. However, if it is running on Dc electricity, it will drain the batteries within three hours. A regular 6 cubic RV fridge will use around 0.8 amps every hour. Assuming I am running just the 12cu Dometic refrigerator off of an inverter hooked to two Battle Born batteries (in parallel), how many hours will the refrigerator run? However, there are other factors to consider. Let us get to know the answer as we get along. Although times will vary depending on the battery and fridge, the average RV fridge will run for 8 to 10 hours with the batteries on. To check the actual power consumption of your RV refrigerator, put off all the devices connected to your battery except for the fridge. You’ll need to find out the following information, how much power you fridge uses, how many amp hours each of your batteries are, how many batteries you have, and how efficient your inverter is (if you can’t find this assume 90%). A typical 120V fridge will chew up nearly 200 watts of power when running, and burn through almost 2000 watt-hours in a day. When we divide the capacity of 75 Amp-hours by the daily consumption, we arrive at an approximate range of time- about five to ten days. A refrigerator requires lots of power. On the other hand, if you are using only a 70 watts RV refrigerator, then you can enjoy more hours as compared to a 150-watts refrigerator. So how long will an RV fridge run on battery? An RV refrigerator will run off of the battery if your fridge model is set up for it or if it uses propane too. However, there are two ways to connect your battery. How long will an RV fridge run on battery? While the RV is running on-road go for DC battery but if you happen to make in … How Long will an RV Fridge Run on Battery? That said, this setup will really only keep you running for a few hours. I have a 2004 National Tropi-Cal T396 the refrigerator works on AC power or propane brand Dometic when going down the road I do not use the propane an the fridge is not connected to the inverter I have used the generator to power the fridge .Can the fridge be … 1920/ 12 = 160. In order to keep your RV fridge up and running for longer than those few hours, you will need a way to recharge the battery bank you’ve built. Pop and Sit Portable Booster Review - Reasons to Love It. Absorption fridges don’t cool property if they aren’t completely level, so if you do a lot of boondocking then you may want to consider a compression fridge.eval(ez_write_tag([[300,250],'lifeonroute_com-large-mobile-banner-1','ezslot_13',109,'0','0'])); Compression fridges tend to be a lot bulkier, however, so the space you have available may or may not accommodate a compression fridge. It is more efficient and requires lesser power to be operated. One is by connecting it to a series; with this, you don’t increase the amps but only the volts. Because this will be four times the demand as the battery rating, the battery will last for a fourth of its normal time or 5 hours. You just put your food in your refrigerator, the last thing you want now is to lose it because your battery can’t go the distance.

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