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. The increase in battery life is incredible and you don’t have to worry about having an inverter. This will allow you to convert the electricity stored in your battery bank for use by the fridge. Sick of wasting your time at the Mechanic? More Space – The biggest problem with stock RV units is the size. Dec 20, 2013: Solar Power. 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… If you want to run your refrigerator on an inverter, you may need to upgrade your battery bank, by adding extra batteries. Your refrigerator will run for 8 – 10 hours with the batteries on. 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. HI, I would expect a single battery to go dead running the propane and CO monitor in about 3 days. To check the actual power consumption of your RV refrigerator, put off all the devices connected to your battery except for the fridge. 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. 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. Some batteries are also built for heavy use and can be drained to only 20% remaining. Make sure the batteries you are going to use do not lose the charge to less than 50 percent. As with age, the older the refrigerator the more power it also consumes. How long will a RV Fridge run on battery? 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. RV refrigerators are available in two styles, either a compressor-powered refrigerator or an absorption refrigerator. After fully rehabbing a 1994 Safari Trek, they set out to explore both Canada and the USA. The Good And The Bad PROS. The next step is to divide the amp hours of your battery by the current to find how long the fridge will run on battery, 180Ah/27A= 6.66 hours. You need a lead-acid battery of 104 Ah to run an efficient top-loading fridge for two days. 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. Now convert the power to amps by dividing by voltage, 444W/12V= 37A. 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. Can I run an RV fridge on batteries? 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. With a gas of around 10 kg you can run the refrigerator for more than 2 weeks. So the battery will drain out quickly. 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. Many don’t recommend running your fridge on liquid propane gas while driving. This time is less for a long road trip. Find a Power Source. 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. Another time you may want to switch to propane is while making longer stops during your travel. An absorption fridge will run on batteries only for about 3 hours but if using propane too it will last for weeks. 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. While various conditions will dictate how often the compressor runs, during my test the compressor ran about 20 minutes each hour. There are actually several factors affecting the number of hours an RV fridge lasts. 300 times 4 is 1200 watts. 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. One factor that is going to have the largest impact is whether your refrigerator is a compression fridge or an absorption fridge. Thus, if you expect your RV fridge to run for about 6 to 8 hours with a single 12 Volts battery, then it is much better to load 2 or 3 more batteries to keep the fridge working. Pop and Sit Portable Booster Review - Reasons to Love It. Thus, using only minimal features will yield lower power consumption. Some RVs run off of a single 12-volt battery, while others run off of four 6-volt batteries. 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. In order for these refrigerators to run, you need batteries to power them on. 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. At this rate, the residential fridge would use about 8amps each hour while on inverter and batteries. Check out the Fix It Yourself RV Maintenance Course. That just wasn’t sufficient! A refrigerator requires lots of power. However, if it is running on Dc electricity, it will drain the batteries within three 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 refrigerator performs optimally when the motorhome is on level ground. Diane is a lover of all things travel. How long will an RV fridge run on battery? 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. On the other hand, connecting batteries in parallel will increase the apps. Residential refrigerator has been praised as they found out that it only consumes one-third of the total power consumption on a daily basis. Another thing to consider is what kind of battery you have. This removes the need for a power inverter, and overall increases the efficiency of the refrigerator. An absorption fridge will run on batteries only for about 3 hours but if using propane too it will last for weeks. 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. The fridge will run for 2-3 days if you are using the trailer, or about 6-7 days if you are conserving power and have little other use in your trailer. That battery can receive a maintenance charge from the 12 volt circuit on a 7-Way trailer connector but the fridge would draw power faster than the 12 volt circuit can charge. A typical 120V fridge will chew up nearly 200 watts of power when running, and burn through almost 2000 watt-hours in a day. A regular 6 cubic RV fridge will use around 0.8 amps every hour. Tired of Expensive RV Repairs? 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. However, there are two ways to connect your battery. Therefore, you need to calculate first the power consumption of all appliances before you configure the batteries. 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. Another factor affecting power consumption is how often you use the refrigerator. All it takes is knowing a little more about what your RV setup looks like. But wait! They are so small and do not hold enough food for people who live their full time are on long trips. You can connect them either in series or parallel to get the required volts or sufficient amps to keep your RV fridge working. This factor is also affected by the size and age of the refrigerator. The awesome course Project 24 by Income School taught us everything we know about building an online business so we have the freedom to travel in our RV. RV refrigerator is an essential appliance needed to keep foods fresh and cool while camping in RV. But do RV fridges need battery to run on propane? 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.
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