nixiebunny wrote:You can just use your car battery as your power source, since you already went to the trouble of bringing it to Burning Man.
...regular appliances like laptop or boom box or lights.
BBadger wrote:...regular appliances like laptop or boom box or lights.
Those are not "regular appliances", and why would you even bother bringing a laptop? To look at porn?
BBadger wrote:Starter batteries have about TEN deep cycles when charged by an alternator because your alternator is not a smart charger, but rather is designed for topping off batteries--not restoring them from deep discharges. They can over-charge your batteries, and couple that with high temperatures, you're asking for a nice dead battery, a lot of wasted gasoline, and all the trimmings...
maladroit wrote:That ice-based cooler will fuckin destroy your wallet as you'll become way too familiar with Arctica. Just plan on an evaporative cooler, and double your water budget.
Trishntek wrote:Okay, now that we know what you are really up to, let's take your cooler for an example of required power supply.
It consumes 45 watts. If you want to use this in your tent or van for cooling during the burn, you will have to run it continuously during the day in order for it to be effective cooling. So you run it from 10AM until 6PM which adds up to 8 hours. That is 360 watt-hours of energy per day. Divide that amount by 12volts for the batteries capacity and we have THIRTY amp hours minimum. That means you need at least a 60 amp hour battery.
To recharge this battery with solar, you would need at least a panel capable of producing SIXTY WATTS per HOUR. Prime sunshine is 6 hours per day. That is assuming it is cloud-free and otherwise clear sunshine for optimal performance.
To recharge this battery with your car, you would need to run your engine almost an hour per day.
That is a huge PITA for producing something easily accomplished with some solid shade and a spray bottle.
Andrei wrote:I will have rental car, Toyota corolla, if that make any difference. Probably will run my cooling device for 6 hours instead of 8.
The power required is 0.39 amps
Andrei wrote:...What if I pull my car battery out, use it, and charge it for an hour every day. (or how much do you think I need to charge it for?) if this would work at all?
I will have rental car, Toyota corolla, if that make any difference...
Zhust wrote: Or just buy a swamp cooler.
Andrei wrote:I also will have someone to jump my battery at BM if needed.
maladroit wrote:You don't need a whole spare battery if you bring one of those handy jump boxes. They often have a 12V accessory port, air compressor, and Ac inverter built in. You could recharge it with a small solar panel, or drag it over to Sno Koan.
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