Thread: 12V compressor, 24V truck

Originally Posted by Tussock

Why do you need a clever idea? How many amps the compressor need? Get a 24V-12V converter of the correct amp rating. They are big and not cheap. I have 10mm (from memory) battery lead running 24V to the back of the truck into 40amp 12V-24V converter. Run whatever I like back there 12V

Have two smaller 12V (10 amp?) in the front.

Don't run off one battery. I killed a battery like that. Uneven charge is very bad for them.

Exactly. If you run off one battery you will kill them as one slowly gets over charged and the other gets under charged. It is a good idea to remove them and charge them separately about every 3 months anyway because they have always have different capacities anyway. If you are passing back through this way @gimp I have a reasonably grunty converter sitting here that was going to go into the Safari but wont for obvious reasons.