For example, how long can you run your mini-fridge off of a battery and how many cells would it take you to run a mini-fridge for a year? My fridge (an bottom mount not so large LG) records a peak of 500W when the motor kicks in which drops to ~130W when the motor is running If this is an LG inverter fridge under 340L you can use an inverter like the Morningstar Suresine 300W with 600W capability for 10 minutes. your appliance should have a label that shows the running(not start up surge) watts. i have a 2500 watt AIMS i run the tv, microwave, charge the computer, run my bipap at night. btw my house bank consists of golf cart batteries Home electric systems and most appliances run off of AC. Your refrigerator will run for 8 – 10 hours with the batteries on. If you’re looking at a mid to long term solution for running your fridge, then I’d suggest using the solar-deep cycle rotation-inverter combo to get the most bang for your buck. By multiplying 2 Amps x 120 Volts, you find out the refrigerator uses 240 Watts. An inverter is a device that will convert DC electricity from your RV batteries into AC electricity. Don’t run a full-sized refrigerator if you live alone and only need a few cubic feet for an emergency. They’re designed for more prolonged use. You can end up shorting yourself with the wrong calculation. An inverter rated for 1,500 watts continuous power and 3,000 watts of surge power is what you’ll need to run a 16 cu. Save my name, email, and website in this browser for the next time I comment. Once you know how many watt-hours you need per day, check your batteries amp ratings. Yours will probably vary. Our camper refrigerator and freezer draws 30 amps (at 13.8 volts) from the inverter when running on 120 volts (300-310 watts on the kilowatt meter). I have a 2000 Freedom Inverter in my 2001 National Tradewinds but I just installed a residential fridge and this inverter is a MSW. It should run off that inverter easily, but be aware that an inverter has losses and draws power to run it, regardless of the output, so it will drain your batteries much quicker. That’s alternating current, not air conditioning. Not to mention it will keep your food from spoiling and your beer cold. Alternately, if you have nothing to start with, make sure you choose compatible items.eval(ez_write_tag([[300,250],'newbieprepper_com-box-4','ezslot_5',110,'0','0'])); Since they don’t run continuously, you need a reliable estimate of how long your mini-fridge runs in an hour. Excellent read, I just passed this onto a friend who was doing a little research on that. Helpful Expert Reply: In order to convert the AC power your mini fridge uses to the DC power your RV runs on, I recommend the Three AC Receptacle Power Inverter part # WC3720. Batteries are a form of DC or direct current. An inverter is a device that will convert DC electricity from your RV batteries into AC electricity. Car batteries are intended to give a large current for a short time.eval(ez_write_tag([[300,250],'newbieprepper_com-banner-1','ezslot_11',111,'0','0'])); Deep cycle batteries, on the other hand, can give current over an extended period of time. Creekmore Springs LLC 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. The solar panels have to be connected to a battery and inverter to provide power to your fridge. If this is an LG inverter fridge, they don't like modified square wave. It depends on the power requirement of the refrigerator (particularly during compressor startup). coffee maker, toaster etc.. and sometimes a 120 v mini fridge from time to time when we have a big raft up and need the extra food space. Re: Running Refrigerator on an Inverter I am not going to get into the propane danger debate but I have to state for the record that propane under the right conditions is extremely dangerous. If your RV refrigerator can run on propane,  it will draw very little DC electricity, only enough power to run the electronics and interior light. Multiply that by 24 hours to get a maximum daily run-time. However, they’re not all headed in the same direction, which works pretty much the same as having one continuous unending flow. Fridge: The manual says 115volts, 60hz, I can't find more specific info on watts. With the car running, hook the pure sine wave inverter to the battery (black clamp on negative, red clamp on positive), turn the inverter on, plug an extension cord into the inverter, and plug the fridge into the extension cord. An incredibly energy efficient mini could run as little as 8 hours a day at 85 watts for 680 watt-hours per day. However, if you’re worried about using propane, or have a “residential refrigerator” which will only run on AC power, you may be able to use an inverter to keep it running when you’re not plugged in. Inverters are rated in watts, so i try to calculate watts for a mini fridge. Fridge is a Haier 9.8cf. These switches turn on and off very quickly changing the direction. We use it as a beverage fridge and it works great. Choose the right batteries and inverter for your needs. In short, it turns battery power into useable household-type power. Learning to use what you have efficiently is one of the best and most essential skills a prepper can possess. I have often been argued with over weather this 5KW Power Jack inverter will run a standard fridge. Buying A Dinette Table for Toy Hauler RVs? Larger and less efficient models typically range from 100-110 watts. Travel Trailer King-size Bed: Choosing The Right Bed, The Automated Safety Hitch for Towing a 5th Wheel, The Difference Between 193 and 194 Bulb For Your RV. And i am glad reading your article. You can even replace a gas-powered generator with this system. Since mini-fridges don’t run continuously, so you need to know how long yours is actually running each hour. A decent car battery with a 90-hour amp rating can only run about 400v for a couple of hours. within which will save your batteries. Here’s a Guide! The run from the inverter to the power supply is less than two feet, standard household three-prong wire. You can also put ice packs inside the refrigerator to help keep it cool when the power is off. So then I bought an inverter to run the fridge but it didn't start the fridge. The fridge doesnt run off of it. It’s called direct current because the flow is constant and runs in one direction. Likewise, some RVers may be able to afford extra batteries and solar panels, but that sort of upgrade will cost thousands of dollars. Because of current threats, I am providing FREE to you these two Highly Authoritative & Complete Guides that may help you better prepare for the difficult times that lie ahead. Hence a car, or remote control, or anything battery powered is a DC device. If you plan on staying in RV parks or campgrounds with power, running your refrigerator on an inverter will be unnecessary. A decent inverter will give you enough juice to run a sixteen cubic foot refrigerator. If the fridge is strictly AC powered then you would need to wire a power inverter such as # WC3720 to the trailer/RV battery and plug the fridge into it when you go to tow the trailer. Use the middle of the day on a hot day and time it each time it runs for 2-3 hours. Running a Mini Fridge That will give you a good average. Literally, electricity in the DC form is just a flow of electrons around a circuit. Running Your RV Fridge on an Inverter Instead, RV Troubleshooting Tips: 12-volt System Not Working, RV GPS Comparison: Rand McNally vs. Garmin. How long does 1000 watts last? If you have an onboard generator you’ll need to run it almost constantly for the refrigerator, which could disrupt the quiet hours and noise restrictions at the campground you’re in. Yes, a standard refrigerator can run on the power of a single medium-sized solar generator for about twenty-four hours. You’ll also need to keep the extra batteries charged up, which may require additional solar panels. I do still recommend using a DC to DC charger to reduce the chance of the fridge draining the battery. They aren’t compatible if you try to jam them together. Inverters are all too often ignored by preparedness experts because there are more permanent solutions. In short, you can run more than just a mini-fridge off an inverter if you have the right one. A refrigerator requires lots of power. You can run RV refrigerators on batteries, but practically, it is not the best. Inverters come in different power ratings; for example, an inverter that’s rated for 200 watts will easily run a laptop. Remember that leaving the door closed will extend the cooling time and doing so will allow intermittent inverter use just to regain the temp. However, a refrigerator draws much more power. So the battery will drain out quickly. they are very nice things to have. The less you use, the more you’ll have and the longer you can survive on your supplies. How To Clean The Underside Of A Camper Awning? When the batteries are full, it will also run a … This is one of the best improvements in the refrigerator industry, it allows the fridge to stay at the programmed temperature without the compressor cycling off and on (one of the most inefficient ways to run a fridge), start up of any motor is the the most costly part of running it. The US Military Contamination Guide gives steps you can take to prevent the spread of disease. First, a quick lesson in electronics for those who don’t quite understand what an inverter does. A fridge motor also needs a jolt of about three times its running wattage to start up, but this surge is needed for only a fraction of a second. AC power is a little different. Before you decide what to do about your refrigerator, decide on the style of RV travel you want to do, as well as your budget. Why Does My RV Generator Putting Out Too Much Voltage? If you want to run a refrigerator on AC power when you are not plugged in at an RV park, you will need a large inverter. A fridge motor also needs a jolt of about three times its running wattage to start up, but this surge is needed for only a fraction of a second. However, having an inverter, like this one on Amazon, around can help stop your food from spoiling or keep your fans running in the middle of a heatwave. So it was … This means that a mini-fridge can run for about 3-6+ times longer, due to the size differences. And he actually bought me lunch since I found it for him smile So let me rephrase that: Thanks for lunch! Creekmore Springs LLC also participates in affiliate programs with Clickbank, CJ, ShareASale, and other sites. The difference is all in the plates. Owned and operated by campers. If I can get 10-12 hours out of it then it just might be worth the $$ so Fran doesn't have to … The swift and dirty version of the story goes something like this:eval(ez_write_tag([[300,250],'newbieprepper_com-medrectangle-4','ezslot_9',109,'0','0'])); Thomas Edison wanted to run everything off of DC power. Basically any fridge will do but the more energy efficient means a smaller solar setup is needed. Download these guides below for FREE (no email needed). Creekmore Springs LLC is compensated for referring traffic and business to these companies. More importantly, it lets you run your appliances off of stand… 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? Wiring: I've got a heavy gauge copper wire running about 20 feet from the battery to the inverter. That is, it works great while we are plugged into shore power. A mechanical inverter uses electromagnetic switches. To make a battery compatible with an AC device, you need to convert one form of power to another, which is precisely what your inverter does. Just as you need a bug-in plan and a bug-out plan, or EDC and long term storage, you need more than one power source. Let’s say you stocked up on some car batteries last time you saw a sale. Car batteries, which give that massive burst of energy needed to start a car, use very thin plates. An incredibly energy efficient mini could run as little as 8 hours a day at 85 watts for 680 watt-hours per day. I would expect around a 30% increase in power consumption overall - even when your fridge switches off, the inverter will still draw around an amp just doing nothing. Keep the cord as short as possible. Solar is even better. In short, it turns battery power into useable household-type power. 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