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Battery ConditionerPosted on December 28, 2009. Can I use the car battery with power converter for an air conditioner? I want to be able to use an air conditioner car battery using an inverter say 600 units of watts of power. The question is 1.Capable a setup like this work. 2.What sheet of the battery is needed? 3.A 8000 BTU air conditioning unit for how long would it be able to run from the battery '? It can work, but the battery does not last long. A converter will produce about 600 watts 5 1 / 5 to 6 amps, not enough to even start the A / C with the normal requirements starting amps. You will not even get the a / c working with Fan Only mode converter 600 watts. Even if you have a converter rather large, the battery would last a few minutes. To put this in perspective, if you had the battery in a car with the car running, it still would not work because the generator could not generate enough power to keep the a / c being performance and battery charged. Something like this is the best solution I can see http://home-solutions.hsn.com/stainz-ro ... air conditioners draw much current. I have a 5000 BTU air conditioner that draws 530 watts. that, I would say take your 8000 BTU 800 Watts, which is more than your UPS is off. In addition an inverter of this size would be a normal car battery in minutes unless the car was running. The only other way I can think of without having to plug in your current home would be a small generator. your power converter will be massive say at least 3000watts (DC). air conditioner compressor turns on and off and the increase in power can damage the power converter if it is not big enough. by the time you want to run the a / c, I offer these batteries in large trucks CommentsThere are no comments.Leave a Comment | Popular Articles External Links |