Quote:
Originally Posted by chillywilly
Anything that provides enough voltage for the starter will do the trick, you can also rig up a set of rechargeable batteries to start your car but it doesn't mean its a good idea. The biggest problem here is reliability and extreme weather and temperature cycles the batteries have to withstand. Another thing is safety, failure of a fully charged capacitor is a very dangerous fire hazard. My advice, leave the engineering to the professionals.
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Professional engineer here. My advice, leave the engineering to the car enthusiast.
Jokes aside, supercapacitors and ultracapacitors perform very well at extreme temperatures, especially compared to your standard lead-acid batteries. I can't speak to other aspects of their performance, but I'd be interested to see someone (safely) do this.
For a more expensive but ostensibly safer option, someone in another thread was looking at swapping the standard battery out with a lithium-ion one, also used in the TRD Griffon.