... 15bulbs 6watt each,2freezers and ac pump.how many watt Parnell I need and how many batteries for ,6hrs. Can you Use solar Panels to Run the RV air Conditioner. The number of batteries you will need to use will depend on how much power they can hold, how often you use your RV’s air conditioner and how many BTUs the air conditioner produces. Generators work well but they can take up a lot of storage space when not in use. Most boondockers don’t camp in places where they’ll need air conditioning. How many 12v batteries would i need? To support 150 amp hours of battery power, 300 amp hours of battery capacity is required. If you are using normal lead batteries then you may need about 3 or 4 at the very minimum. The key to running your AC unit off of batteries is that the batteries will need plenty of power. This ability makes them perfect to use when you cannot find an electrical outlet to plug your RV into. Another factor to consider when trying to figure out how many watts you need to run your air conditioner is the make and model of the air conditioner inside your RV. 1584 watts / 12 volts = 132 DC amps. Therefore, using more batteries than the minimum will result in longer life for the battery bank. But while we can’t give an absolute answer, we can answer for any given day – and that’s what we do in this video, which we made for WinnebaGoLife’s blog . To size a battery bank we take the hours needed continuously x watts = total watts/DC volts=amps needed. has anyone tried to run a single 15K dometic ac unit in a fifth wheel while trailering. But if you are running into a device that will only run on one then you just need to stick with a standard and go with it. So, if that system will get you just 1 hour of running two air conditioning units, then think about what you will need to run that system for 8 hours. If you are using a small air conditioner that puts out about 6,000 BTUs then you will need approx. Solar panels have also become popular with increasing efficiency and the cost not so very high. Each different style has its own wattage requirements. A power inverter converts a vehicle’s battery from 12-volt direct current to 110 volts alternating current (AC). Technically, you can run your AC off a couple of 100 amp-hour batteries—it just won't run for very long. If one has any DIY skills, You can purchase 4x280AH LifePo4 Cells from AliBaba/China for $500 from very reputable dealers, $100 for a BMS, and another $100 for Box/Misc parts and you can build a 12v 280AH LifePo4 Battery for roughly $700. A typical 12 volt lithium battery, delivering 100 AH, weighs about 30 pounds. How Many Solar Panels Do I Need for Boondocking? How Much Battery Power Will I Need for Boondocking, RV technician that installs Tesla battery banks, How Many Solar Panels Do I Need for Boondocking. A 15,000 BTU air conditioning unit is what most RVs come equipped with these days. You need a lead-acid battery of 104 Ah to run … If a boondocker still needs AC electrical power, it’s usually for something light duty, like powering a blender, a C-PAP unit, or a television. Solar power, combined with a decent sized battery bank, and a small to medium sized power inverter, is still affordable for RVers who spend most of their time boondocking. Abhisek Behera12. Need a light? But, if you want to run that air conditioning unit for a minimum of four hours, perhaps up to eight hours, and still be able to run all of your other 110 volt and 12 volt components, you’re going to need LOTS of power. What AC units are you running? Some people have gone to Lithium batteries that bring that power but they are not inexpensive. The average AC unit uses a… That could end up weighing as much as 1,000 pounds, and take up a lot space. This conversion is not necessary for DC components and fixtures such … What if you wanted to run your house on AA Cell batteries? You can get solar panels to handle this amount of wattage, but the inverter would be impractical and not be of any help. Now we need to find out how many watts the air conditioner uses. The more deeply the battery is discharged on each cycle, the shorter the battery life will remain. There are a lot of variables that can affect how long your battery power might run the AC, which means any answer we give has to be qualified with a whole bunch of modifiers. In general, you should plan on at least a 700 amp-hour battery bank if you plan to run an AC with solar. In a 12V system , that is 100 Amps. Echoing Dana’s question, is it correct to just halve your numbers to run one 15000btu ac for eight hours? Good point on adding a soft start. Is it Illegal to Live in a Tent in Your Backyard? For a lead-acid battery, the efficiency is 80%, for lithium, this is 99%. Dometic RV Air Conditioner Not Blowing Cold Air (How to Fix), Why Does My RV AC Smell Like Rotten Eggs? A 3000 watt inverter can only deliver 1,200 Watts @ 120 VAC using your vehicles existing DC charging system. A Goal Zero Yeti 1000 would run a small portable 800W AC for about an hour. 132 DC amps * 2 = 264 ah Some batteries can hold lots of electrical power. No RV or motorhome comes equipped with that high of an inverter. It does get hot in the great outdoors in the spring, summer and fall. This can power an inverter that will deliver about 1,200 watts @ 120 VAC. Running a 120V AC Xmas lights off batteries. Multiply the wattage of each device by its run-time to get the energy in watt-hours per day. Your results will differ as you may be using a different sized air conditioner that producers fewer BTUs. Just switch it on. Your owner’s manual should be able to provide you with all the information you need to find the right wattage to power your RV air conditioner. 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