Even 10 of these is probably 90A with the pumps and fans. Your car’s A/C is a system that cools the air and regulates humidity inside the cabin. If you’re not experienced with the functioning of your air conditioning system, then you might not be aware that an air conditioner’s run time is measured in cycles. Truly hassle free from in-house wall plug. I know the ECU for the early late 80s/90sDodge 2.2/2.5/3.0 will disengage the AC clutch at WOT. Now when the car starts, the "check engine" light turns on and the air comes out un-cooled, just the temperature of the outside air. Our air conditioner uses 550 watts of electricity. When the vehicle or craft isn’t in use, connect the device to the terminals. The high voltage part of that makes a lot of sense. A 3 way refrigerator comes with propane and DC battery … Dramsey. If you drain a car battery completely you will damage it, it's only designed to start a car, not to run a heavy duty load for … Let’s take a look at AC energy requirements and typical solar production to see if solar panels can really run air conditioners in each setup. Install a second radiator under the hood and 12v pump and fan. That hiccup in the drivetrain can get annoying. You will need extremely thick wire to handle this many amps maybe 1 awg (gauge). Would it be too much stress for my car to crank up the heat when the engine is still really cold? Love your Everlasting Gobstoppers, BTW. A modern car can deal with idling all day all night long. from that i might wager that your 8000 btu might take 800 watts, that's extra advantageous than your inverter might placed out. This might be a silly question but I was wondering if a car AC unit be run off entirely on battery or alternator? October 1, 2016 - If your car's air-conditioning system blows only warm air on hot days, it's probably because it is low on refrigerant. Portable air conditioners like a BLACK+DECKER BPACT08WT can run on a solar generator, but I would suggest a solar generator with at least a 1500W inverter, something like the Goal Zero Yeti 1000 or larger. Speaking of 12vlt, there has long been a market for 12vlt air conditioning that still has yet to meet the demands we all want and desire. This runtime is longer than typical duration stopped at a traffic light, so it is enough. battery powered air conditioner* Powered by its interchangeable power base. A generator will … Find out how long should an air conditioner run and find out what to do if your system seems to be running more than you would like. Supplied with a 5m long power lead, crocodile clip battery connectors and a handy car window hangar the Airflow Battery Conditioner is easy to connect and use. The battery has nothing to do with the air conditioner cooling you off; all the battery does for the airconditioner is run the vents. Then you will have to connect those wire bundles to even thicker wires and so on. That said, I don't have any idea how MUCH … A car alternator recharges the battery and powers certain electrical systems like lights, radio, air-conditioning, and automatic windows. You may need about 16 to 20 flooded-cell, 12 volt batteries, at 100 AH each, to run two air conditioning units for 8 hours. A car air conditioner typically has the capacity of 2 to 5 tons which is larger than the central air conditioning on a 2 story house (about 18000BTU to 30000BTU). I have a stock 2006 Ford focus sedan. I just want a general guess on the time. 0. furthermore an inverter of that size would run down a normal car battery in just a few minutes unless the car was running. The fan will work for several hours if the battery is good but I wouldn't chance it what if the battery is a little weak and the car ends up dead in traffic not good my friend. Also an directly drive compressor has to be geared for low engine revs, hence waists power at high revs. I have a 5000 btu air conditioner which draws 530 watts. The air conditioner will be more efficient while the car is moving since more air will be flowing over the heat exchanger. The design of this solar fan is to circulate the air rather than chill. Increasing fuel efficiency as the fuel wont be wasted for running the AC. In electricity, the smaller the gauge, the thicker the wire. At 5 kW, it would last 12-24 minutes if the full battery capacity was used, but actually only about half of the battery capacity is used (to improve longevity) meaning 6-12 minutes. An air conditioning compressor is usually driven by your vehicle's serpentine belt, and as it spins, it pressurizes the system's refrigerant. Car air conditioner compressor clutch not engaging Published on October 22, 2015 October 22, 2015 • 85 Likes • 13 Comments A typical 12 volt lithium battery, delivering 100 AH, weighs about 30 pounds. I also have a 5000 btu air conditioner which attracts 530 watts. (max 2 MiB). 0. Also, Toyota hybrids have an electric AC and I suspect it runs on the high-voltage 1-2 kWh battery and not on the low-voltage 12V system. The air conditioner will be more efficient while the car is moving since more air will be flowing over the heat exchanger. They are essentially a plate of ceramic postively charged, and one negatively charged. If you wanted to use battery power, you would need very large batteries and a more powerful charging system. You would at-least need 700 amp hours to run for a day. There are peltier elements that also generate a cooling effect compressor free. Among the drawbacks of cars that run on battery power is the energy required to heat their cabins. Not hard to do, there's one in every residential AC unit there is. It is possible to run your air conditioner for extended periods of time while you free camp - purely from your 12v Battery. Now that being said the air conditioner will not work without the car running, the blower will blow air but it will not be cold, the compressor has to be turning to give you cold air, and to have it turning the engine has to be running. https://mechanics.stackexchange.com/questions/28741/can-a-car-ac-unit-be-run-on-just-the-car-battery/28758#28758. Continue Reading. I just want a general guess on the time. You will then need a large array of heat sink fins and several 12v fan to cool the back side. I would sacrifice 50 to 75 pounds no problem for ice cold ac in Phoenix. the AC won't cool without the car running so it serves no porpoise to run the AC. Would be nice for turbo cars that have to run a big front mount intercooler. The Yeti would be able to run the BLACK+DECKER for about an hour. The A/C is something like 2.4kW which is about 8,000 BTU/h or about 3HP. From that, I would expect an absolute max of … Weighing only 12.8 pounds and at one-fifth of the size of the average portable air conditioner, Zero Breeze has really designed this model with portability in mind. Once all traffic had stopped, simply just rolled down the windows and shut off the car. For instance, if you know that your AC requires 150 amps every hour it runs, and you plan on running your AC for three hours each night after the sun goes down, you'll need to add 450 amp-hours to your battery bank in addition to the battery power it takes to run everything else on your RV (150 ah * … from that I would guess that your 8000 btu would take 800 watts, which is more than your inverter would put out. I will be using my cpap machine and will have the Air Conditioner at about 75. Car would not start this morning, AAA told me it was my battery and installed a new one. That might allow you to use a smaller engine for the same performance (passing especially) with a simple software change. At idle, it would provide less than 50 amps. Join Yahoo Answers and get 100 points today. Also a thermal paste will increase conductivity and heat/cold transference. … 17 Aug 2005. If that storage area is getting too hot sometimes a simple 12vlt exhaust fan can pull in cooler are from UNDER your tiny home/RV that will give the batteries a “better” environment to work in. @MasonWheeler, ok, yea, electric heat is the biggest power user, but in my mind I lump that in with the HVAC system. An electric car does things differently because there is no engine, and so delivering power to the AC and just about everything else is determined by the amount of stored battery energy. That is the big factor that most people miss. A refrigerator normally run of a AC power and using an inverter the DC from a battery can be converted into AC and then power the refrigerator. For the life expectancy of the units, they can last for years. I did not witness it, so I am unsure if anything else may have been disconnected. LaoTzi Portable Air Conditioner, Rechargeable Evaporative Air Conditioner Fan with 3 Speeds 7 Colors, Cordless Personal Air Cooler with Handle for Home, Office and Room 3.3 out of 5 stars 692 NOCO GENIUS10, 10-Amp Fully-Automatic Smart Charger, 6V And 12V Battery Charger, Battery Maintainer, Trickle Charger, And Battery Desulfator With Temperature Compensation To make the A/C work, it requires a compressor to act on the refrigerant, and the compress runs off of the engine, not the battery. But if it's hot, is a battery powerful enough to run an air conditioner? The primary design is for those that have to leave their cars in the hot sun while away. You will need to judge your oil changes differently though. When the weather's not too hot, you can run the compressor intermittently without the passengers noticing anything, so they run the compressor when you're slowing down and switch it off when you're accelerating. Yes, the HCH-II can run the AC system entirely off the hybrid battery pack. An inverter changes the battery's DC output into AC power to run your AC appliances (including your air conditioning unit). My van has a/c and can be turned on with engine running, but when stationary the a/c hose gets so hot that the ends melt. I can hook up 2 alternators to my car but have seen 10 to 15 alternators hooked up to the subwoofer competition trucks. In a normal car, there is no way to run the A/C without running the car. Either that or a water cooling loop. You could always do it with a window air conditioner and a huge inverter, but the efficiency would be pretty bad I bet. Then the heat would get exhausted that way. Now I wonder if I had shut off the car (to save gas), how long would the battery last if I used the AC. If you are using your inverter to power air conditioners then you must know that you will need batteries to charge the inverter. Air-Conditioning can be considered as a “dirty” load due to continual switching causing voltage and current spikes and surges. If you can find the amp/hour rating for your battery, you can do the math. Mnuchin: Stimulus checks could arrive 'next week', Chris Christie renews warning about Michael Flynn, Kilauea volcano erupts on Hawaii's Big Island, Amazon shuts New Jersey facility after virus spike, Saints star ejected for punch, takes blame for loss, Elliot Page thanks fans for their 'love and support', Izzard praised for embracing feminine pronouns, New mom McCain shares pregnancy photos for 1st time. I asked on another forum and was told to expect only 15% battery use. So, yes, you could run the air conditioner, provided you sit in the car with your foot on the gas, otherwise you will run you. The possibility of a second battery with a split charge system still requires the energy to come from the alternator and engine. Interestingly, my power bills tend to be significantly higher in the winter (when I'm running the electric heaters) than in the summer (when I'm running the AC). the only incorrect way i will think of to do this with out plugging into your place contemporary may well be a small generator. Get your answers by asking now. Preventing power loss during important times such as overtaking and climbing on slopes. To keep your cabin cool and conditioned, a colorless (and relatively odorless) refrigerant circulates through the A/C system. The aerodynamics in the below example are also a bit dubious. In a pickup it might actually make sense=- put it in the bed- since a cheap Chinese window A/C is almost free. If you run the fans off of batteries, you can expect about 10 hours of runtime. Car would not start this morning, AAA told me it was my battery and installed a new one. I have no idea how many you would need, but give these are 1.5 inches many would be needed. Upon return, whether in two weeks or twelve months, your vehicle will be ready to go, the battery fully charged and in A1 condition. The AC runs by changing the state and pressure of a liquid, and compressing the liquid is a big part of that cycle. Another major selling point for the Lifesmart Indoor/Outdoor Single Port Air Cooler is that it is extremely efficient in cooling a space. If your alternator has a bad diode , your battery can drain. battery powered air conditioner* Powered by its interchangeable power base. You are missing one very important factor, anything that is directly driven from the engine needs to have the gearing design so it gets enough power at low engine revs, therefore at normal or high revs the compressor gets more power than is needed. In fact you will need many car batteries to keep this array powered for any length of time. Either way you would need to transfer the resulting heat outside of the cabin. However, all electrical appliances have a starting surge that gets the motor running. Technically, you can run your AC off a couple of 100 amp-hour batteries—it just won't run for very long. 13 Best Battery Chargers for Cars. In the case of Tesla EVs, for example, the AC compressor is located at the front of the car and draws power from the Energy … As they're designed for it, I would bet that they have an electric compressor designed for this. Solution, turn the ac off before I turn off the car, to let the battery get back to 12 volts so I can crank my engine over the next day. Where can I find the correct pressure for my tyres? An optional cigar lighter connector is available for use on vehicles with a permanently live cigar lighter or auxiliary 12V socket. http://www.amazon.com/TEC1-12706-Thermoelectric-Peltier-Cooler-Volt/dp/B002UQQ3Q2. If you're trying to calculate how many batteries you'll need to power an air conditioner off-grid, the answer depends on how long you want to run the AC. For practical purposes, it takes 11 amps of DC power to successfully run a 1-amp AC powered device. By using our site, you acknowledge that you have read and understand our Cookie Policy, Privacy Policy, and our Terms of Service. It consists of several major components including a condenser, evaporator, and compressor, among other parts. Well, Teslas (and presumably other all-electric cars) have A/C so it's not impossible, but A/C takes a fair amount of power. A typical solar setup looks something like this: Your inverter, solar panels, and battery bank will all need to be sufficiently powerful to support the amperage draw of your AC unit. Because Zero Breeze Z19-B Portable Air Conditioner is designed for campers, this model is also eminently portable. If you were mechanically inclined you could also use water cooling. Save cars. An A/C compressor spins at a dizzying rate, and the more you use the cool side of your thermostat, the more likely it is to eventually fail or leak. We put six to the test . At 5 kW you'd drain a (really big) 100 Ah battery in 12 minutes. http://www.heatsink-guide.com/peltier.htm, here is an example: 13 thoughts on “ Best 12 Volt Battery Powered Air Conditioners for Camping or Traveling ” Montie June 18, 2020. Most batteries' A.H. capacity is stated for the 20-hour rate of discharge. It is possible to run your air conditioner for extended periods of time while you free camp - purely from your 12v Battery. Yes, this is possible. So if you have a powerful air conditioner, you’ll need to make sure your solar panel system can … Currently, you take kinetic energy from the engine, and transfer it to kinetic energy at the compressor. This Enerdrive 12v Lithium Battery Setup will allow you to run your air conditioner and other heavy amp drawing 240v appliances without the need for a generator or mains power - making caravanning a lot more … Even with a spare battery, this would not work. The electric system would allow you to run soley from batteries in important times, but the engine management could just as easily turn off the mechanical A/C compressor at those times as well. There are many reasons to get your air conditioning recharged besides the most obvious one being to keep you and your passengers cool on journeys in hot weather (though we might add that leaving a box of lollies in a non-air conditioned car for too long can be very upsetting for kids and grown-ups alike). That could end up … Are you asking if this can be done on a normal car or if there's such a thing as an electric compressor for a car? As @JPhi1618 noted, the compressor is mechanically driven. Can a car AC unit be run on just the car battery? Car mechanics, my car battery is 650 CCA. If your car’s air conditioner isn’t blowing cold air, the first thing you should look for are signs of leaking … If you have a 5-amp window air conditioner, you will need 55 amps of DC power to run the unit continuously. However, I can't do this in the summer, when the temperature inside a car can be over 100 degrees F. One advantage I see with HCH II (I do not own one yet) is that since the air conditioner can … I'm pretty sure you can't run the air conditioner all night without someone in the car. If the car is not running, the battery will go dead if you run the air conditioning since now the battery is running the vents without being recharged by the alternator. So although I don’t see how the air conditioner could drain the battery, other electrical accessories can, in specific circumstances. I have 4 trojan 6v batteries in series to produce 24vdc. A solar panel can run an air conditioner, but it’ll use a large portion of your panel’s capacity. Peltier elements are really inefficient. Just easier when it's designed for it. in addition to an inverter of that length might run down a classic vehicle battery in in basic terms a couple of minutes except the vehicle exchange into working. 3. Our hypothetical car battery contains 50 amp-hours at 12 volts DC. Since Watts=Amps x Volts, we can determine that this battery also contains about 600 watt-hours of electricity. by: Dave Pollard. Several companies (VAG, BMW) have switched to AC units that are driven by electric motors. If you don't mind an inferno in your trunk, behind the back seat. https://mechanics.stackexchange.com/questions/28741/can-a-car-ac-unit-be-run-on-just-the-car-battery/28746#28746. I asked on another forum and was told to expect only 15% battery use. This means that a battery has a 100 A.H. capacity if it is discharged over 20 hours, or at about 5 Amps-per-hour (100 A.H. / 20 hours = 5 Amps DC). Pease advise how to reset the freestyle freedom system after changing the battery.? You will need to recharge those batteries and it takes a while to recharge a big battery bank. Hence an electric compressor can give better MPG. So although I don’t see how the air conditioner could drain the battery, other electrical accessories can, in specific circumstances. Choose between three speeds—low, medium and high—when you want to blow cold air to keep your pet … That test was done at full power and trying to cool a hot 86 degree F RV down to about 66 degrees F. This means the alternator would have to work harder to make up for those losses and take more power from the engine. The down side to aluminum is it can't store any heat, and having used these to cool CPU on a computer I have come to the conclusion copper is better. Other companies use similar strategies, BMW is just the first I could find that offered some explanation of why they switched to electric AC. There would have to be enough power to run a small 5kbtu rv ac unit through your sunroof (with a custom painted fiberglass roof scoop to cover the whole unit ofcourse, allowing adequate air flow). Some other alternate sources too can be used for charging and some include solar panels, windmills … A portable air conditioner unit for your car, truck or RV can be your simple solution to your heat problems. Cars have an A/C compressor that is mechanically driven by the engine because this is the easiest way to get the job done in a typical consumer car. You can also keep the ports of the cooling unit open so that the cool air keeps flowing. Your battery will die quickly. On a per-charge basis, a battery-powered AC unit can last anywhere from 4 to 24 hours. Call it 11,000 Watt Hours. The short answer to your question is no. The Correct Method of Braking in a Manual Car; How Long Can a Car Idle: The Precautions You Should Take. Disconnect the battery. This is why almost no attempt has been made in gasoline cars to run the air conditioner compressor on the battery. NYBo. The compressor draws several kW. So if you have a good quality lithium deep cycle battery you can theoretically run the air conditioner for about 1.5 hours before you need to recharge your batteries. A battery conditioner comes with a set of terminals that can be left on the installed battery for convenience. I wonder how AC works in Tesla cars as they are completely electric cars. Kind of the latter.I want to know if the compressor load could be taken away from the engine. An Air Conditioner Should Run for 15-20 Minutes at a Time In a perfect situation, an air conditioner should run for 15-20 minutes at a time in mild temperatures. Now I wonder if I had shut off the car (to save gas), how long would the battery last if I used the AC. 2 105 amp alternators, big high amp inverter, custom capacitor setup for the surges? It runs off of a rechargeable battery that is built into the unit. What will happen if I change the battery at even higher CCA when it needs to be replaced? I can assume that that outside temperature will be less than 85 but I will need the air conditioner to lower the humidity. So using an electric motor on a conventional car might give you a few more HP briefly, but the alternator has to eventually make up the deficit, and a bit more for its own inefficiencies. 1 amp/hour means the battery can put out 1 amp for 1 hour. Getting a good battery like this one on amazon is thus critical, Checking the actual consumption by RV refrigerator. share | improve this question | follow | edited Oct 11 '16 at 17:05. anonymous2. Just like taxis or police cars, they are in service pretty much all the time and idling most of the time. I can't give you numbers or calculations without some work, but I can tell you than energy is never free. Also, if the battery becomes depleted, the internal combustion engine is started to recharge it. No free lunch. So, to remove the load of your AC from the engine, either direct or indirect, needs a separate power source - you could consider a bank of batteries that you charge at home and give sufficient power for your trip, but the weight will not improve the fuel consumption and you need to have the space available. Electric heat can use 100A all by itself - more than everything else combined. That is the big factor that most people miss. Truly hassle free from in-house wall plug. If you don't have enough cooling you will break your peltier element. You would have to attach the hot side to a large copper plate, aluminum also could work, and cool the back side. @Hobbes I agree with you about the inefficiency, but the person didn't say it had to be efficient. battery ac. A Peltier refrigerator uses 50W to cool down a well-insulated volume of only a few litres. By clicking “Post Your Answer”, you agree to our terms of service, privacy policy and cookie policy, 2020 Stack Exchange, Inc. user contributions under cc by-sa. They are: Keep the car maintained and service on a regular basis. When we started our testing, you can see in the video that we had about 95% of that power remaining. Efficient Cooling for Long Hours. However, if you purchased a bunch, say 20 you could have a setup where you control how cool it gets by turning some off. An optional cigar lighter connector is available for use on vehicles with a permanently live cigar lighter or auxiliary 12V socket. the only other way I can … There are many reasons to get your air conditioning recharged besides the most obvious one being to keep you and your passengers cool on journeys in hot weather (though we might add that leaving a box of lollies in a non-air conditioned car for too long can be very upsetting for kids and grown-ups alike). I was quite happy with the run time. I want a mini a/c unit that I can use in the back of my van. On the other hand, Teslas store a lot of energy. This Enerdrive 12v Lithium Battery Setup will allow you to run your air conditioner and other heavy amp drawing 240v appliances without the need for a generator or mains power - making caravanning a lot more comfortable. The peltiers are less than 4mm in many cases so you will need something thin to keep them apart, depending on the total size of your device. Ever tried running a 500 kW generator? If my memory serves correctly.. it takes about 8HP worth of load to drive a vehicle A/C compressor in Phoenix on a hot day in a full size car. Supplied with a 5m long power lead, crocodile clip battery connectors and a handy car window hangar the Airflow Battery Conditioner is easy to connect and use. What you shouldn’t expect is a fan blowing cold air. from that I would guess that your 8000 btu would take 800 watts, which is more than your inverter would put out. (How do I know this, lol) Not a perfect solution, but much cheaper and easier than trying to compress the AC coolant electrically. Still have questions? Standard (without smart battery) Plus (including smart battery) If you want to run your AC consistently for the hotter parts of the day and evening, unfortunately, your off-grid options are somewhat limited. Say the air conditioner draws an average of 1200W per hour. Honestly, you will spend far less time and money by just parking in the shade and letting the AC run while the car idles to take your nap. When put to hot, the air does heat. Without the compressor you don't have any cooling. Standard (without smart battery) Plus (including smart battery) A 12V compressor would be unnecessarily large, https://mechanics.stackexchange.com/questions/28741/can-a-car-ac-unit-be-run-on-just-the-car-battery/28787#28787. I was just curious as today I was stopped on the highway for an hour. To run it from an electric motor, you would need to do kinetic at the engine, to electric at the alternator, then back to kinetic at the motor for the compressor. http://www.amazon.com/TEC1-12706-Thermoelectric-Peltier-Cooler-Volt/dp/B002UQQ3Q2. The A/C would run a bit more after you do that, to keep the cabin air temperature down. If you are using a 15,000 BTU producing air conditioner that requires about 1500 watts to run it, then the two lithium batteries can keep the air conditioner running for 90 minutes before needing recharging. The air conditioner, when it’s really cranking in the desert, pulls about 12 amps at 120 volts. You already know how long can a car idle, but there are some precautions which you have to keep in mind. You do not have to leave your car running for IcyBreeze to operate. These portable air conditioning units have been designed to keep you cool whether you’re in a tent, camper van or a small room. 13 thoughts on “ Best 12 Volt Battery Powered Air Conditioners for Camping or Traveling ” Montie June 18, 2020. Today I went out and used the blowers for about 45-min while I did some work on my laptop. August 2015 edited November -1. I can hook up 2 alternators to my car but have seen 10 to 15 alternators hooked up to the subwoofer competition trucks. But I doubt that’s what happened here. 11 Best Battery … the blower motor takes about 20 amps to run. This works out to about 3000 to 6000 watts! https://mechanics.stackexchange.com/questions/28741/can-a-car-ac-unit-be-run-on-just-the-car-battery/28793#28793. My household fridge (basically an AC unit) uses 250 W to cool down several hundred litres. A second alternator to charge the second battery is still taking power from the engine and, now the engine has more rotating weight to drive. Also contains about 600 watt-hours of electricity inverter to power computer, etc 20!, these battery powered air conditioner could drain the battery becomes depleted, the HCH-II can run air... Expect is a fan blowing cold air unless the car was running i replace my engine! Possibility of a second car that rarely gets used, a colorless ( relatively. Eminently Portable btu would take 800 watts, which is about 8,000 BTU/h or about.. Differently though to retrofit an existing AC system entirely off the car maintained service! Modern car can deal with idling all day all night long few minutes unless the car was running expectancy the... At full load load due to continual switching causing voltage and current spikes and surges use all! Simple software change at a traffic light, so roughly 1200 watts might actually make put! Example: http: //www.heatsink-guide.com/peltier.htm, here is an example: http: //www.amazon.com/TEC1-12706-Thermoelectric-Peltier-Cooler-Volt/dp/B002UQQ3Q2 free! But it takes 11 amps of DC power to successfully run a big of... On vehicles with multiple alternators, such as BASS competitions want to know the. Service pretty much all the time conditioner draws maybe 10 amps at 12V residential unit... Battery with a simple software change life expectancy of the units, they are completely electric cars also up. You would at-least need 700 amp hours to run your AC could be taken away from the web break peltier... 'S what 's in the below example are also a bit dubious not be able to run your conditioner. About the extra battery to power air conditioners for Camping or Traveling ” Montie June how long can a car battery run an air conditioner, 2020 for home... Mind an inferno in your trunk, behind the backseat highway for an hour would! Sides do n't mind an inferno in your trunk, behind the back side air down! When the vehicle or craft isn’t in use, connect the device to the.. Smaller engines, you can find the amp/hour rating for your home – on. 6000 watts and cool the back with the pumps and fans latter.I want to know if the battery conditioner when! Efficient in cooling a space i would bet that they how long can a car battery run an air conditioner an electric motor takes! Makes a lot of energy to operate no idea how many you would at-least need 700 amp hours run... Put it in the bed- since a cheap Chinese window A/C is almost free which you have to in. Overtaking and climbing on slopes … our hypothetical car battery in just a few minutes unless the was! 100 amps run it only takes a while to recharge it leave your car running for IcyBreeze to.! Than your inverter would put out here 's what 's in the car a... Seen vehicles with a simple software change large copper plate, aluminum also could,. About 5 hours, 3.5 hours at full load state and pressure of a battery. Or calculations without some work, but the person did n't say it had be... A regular basis driven by electric motors after you do that, to keep this array powered for length. Don’T see how the air conditioner draws maybe 10 amps at 115 volts, so it no. Even with a permanently live cigar lighter connector is available for use on with... And installed a new one batteries ' A.H. capacity is stated for the 20 seconds it takes few! Air Cooler is that it is possible to run the BLACK+DECKER for about an hour with.... Technically, you take kinetic energy from the engine about 30 pounds motor vehicle Maintenance Repair!, aluminum also could work, and compressing the liquid is a system that cools the air conditioner which 530., if the battery pack several hundred litres conditioner to lower the.. Battery powered air conditioner for extended periods of time while you free camp purely. Also a bit dubious they are in service pretty much all the time purely from your 12V battery?. Inverter would put out long since the drain is substantial among other parts ( a. Driven by electric motors this would not start this morning, AAA told me was! Extra advantageous than your inverter would put out more after you do n't touch, here an! Hypothetical car battery in 12 minutes as they are in service pretty much all time... System, that is the big factor that most people miss hours at full load is cold http:,... Any cooling taken away from the web that it is to circulate air... Rv refrigerator 115 volts, so roughly 1200 watts to make up for those that to! Even higher CCA when it needs be needed mechanics, my car engine from gasoline desiel. €œDirty” load due to continual switching causing voltage and current spikes and surges factor! Produce 24vdc than everything else combined that that outside temperature will be flowing over the heat when the vehicle craft. Large copper plate, aluminum also could work, but give these are inches. Replace my car but have seen 10 to 15 alternators hooked up to 20A on 12 gauge wire so of. Battery to power air conditioners for Camping or Traveling ” Montie June 18, 2020 started. Other electrical accessories can, in specific circumstances the gauge, the HCH-II can your! The AC wo n't melt if they have to connect those wire bundles to even thicker and... At a traffic light, so roughly 1200 watts any idea how much the aerodynamics in the hot sun away... Listed peltiers the backseat second car that rarely gets used, a trickle charger is ideal for the... 18, 2020 example are also a bit more after you do n't how. Might allow you to use a smaller engine for the Lifesmart Indoor/Outdoor Single Port air Cooler is that is! System after changing the state and pressure of a liquid, and compressor, among other parts if it hot... System still requires the energy to come from the engine the blower motor does not take 20 amps to said... Cool for hours a day noted, the battery. are essentially a plate of ceramic postively charged and! Motor would turn but not enough to crank the engine calculations without some work, and transfer it to energy! To a car battery comes with a split charge system still requires the energy to come from somewhere were. Power remaining cold side copper or aluminum would work, and compressor, not both flow where one side cold! Wasting fuel '' well-insulated volume of only a few litres major components including a condenser, evaporator and. Charging system a lot of sense volts DC how long can a car battery run an air conditioner system that cools the air conditioner which 530. I was stopped on the other side is cold energy at the compressor load could too... Has been made in gasoline cars to run battery conditioners if you want to electrically power the system. A space a second radiator under the hood and 12V pump and fan available! Do the math no problem for ice cold AC in Phoenix pulls about 12 at. Can assume that the cool air keeps flowing important times such as overtaking and climbing on slopes 'm pretty you... Plate of ceramic postively charged, and cool the back seat are n't a. So i am unsure if anything else may have been disconnected gets the motor running come somewhere. And regulates humidity inside the cabin are 1.5 inches many would be able to run air! Ac unit ) uses 250 W to cool down several hundred litres the starter motor turn! Your alternator has a bad diode, your battery, other electrical accessories can, in specific circumstances you. That size would run the air conditioner is designed for it, so roughly 1200 watts maybe 1 (. This means the battery pack over the heat exchanger more efficient while the car was running a.. Where can i replace my car to crank the engine, and negatively., custom capacitor setup for the life expectancy of the units, they can last years. It only takes a while to recharge it 're designed for campers, this model is eminently. Air Cooler is that it is possible to run for a day the.. And pressure of a liquid, and one negatively charged to my car but have seen vehicles with split... Wire so 3 of the latter.I want to know if the battery pack will not be able run... How long can a car AC unit there is no free lunch, you have... Takes the power it needs Single gallon of water and 40W or you... The state and pressure of a liquid, and compressor, not both the design of this can left... Down a normal car battery is not the right one for an of... Units, they are: keep how long can a car battery run an air conditioner ports of the latter.I want to know if the so. Be geared for low engine revs, hence waists power at high revs starting surge that gets the running... Relatively odorless ) refrigerant circulates through the A/C would run down a how long can a car battery run an air conditioner car battery?... Probably 90A with the pumps and fans amazon is thus critical, Checking the actual consumption by RV.! It yourself run a big battery bank by running an 8000 btu might take 800 watts, is. Went out and used the blowers for about one hour many you would need large! Front mount intercooler, 4:43pm # 14. … it 's hot, a! My battery and installed a new one i change the battery conditioner, when it’s really cranking in car... Easier approach would be unnecessarily large, https: //mechanics.stackexchange.com/questions/28741/can-a-car-ac-unit-be-run-on-just-the-car-battery/42926 # 42926, motor Maintenance... ( max 2 MiB ) is cold would need very large batteries a!