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I need to run something that is 2 Volts off of my car battery, how can i most efficiently reduce my voltage? Answered

can i make a step down transformer that will reduce my volts from 12 to 2? However it needs to be able to handle about 40 Amps.

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steveastrouk

9 years ago

All 12V Lead acid batteries are 6 sets of 2 V cells in series. With a bit of ingenuity, you could access the individual cells. If you have a brandnew battery, the cell performace will match closely enough that you can parallel connect the cells. Have fun. Remember that a car battery can supply 1000Amps without too much trouble. Metal tools will MELT if you aren't careful.

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frollard

9 years ago

40 amps at 2 volts or 40 amps at 12 volts? Either way, thats quite the load.

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frollardthagen

Answer 9 years ago

what is 2 volts that you need to run? is it possible to operate multiple of them in series?

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thagenfrollard

Answer 9 years ago

No, its not. Actually have built a Hydrogen generator. My target voltage is 1.743 V and the more amps the better. so yeah, i just need to find some way to reduce my Volts to around 2 Volts.

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frollardthagen

Answer 9 years ago

I've never heard of a DC-DC converter capable of those currents - Would it not be possible to run your generator in a slightly different configuration (more cathodes and anodes)? Sorry I'm not more help.