I know this is an old thread, but there are devices to charge batteries from other batteries. "Sterling Power" in the UK have some, but I am sure there are others.
Quote:
Originally Posted by CyberSam
I have a requirement for both 12V DC system and a 24V DC system.
Is it possible to charge both from a single alternator? Or should I use a
Voltage Reducer to power my 12V load from my 24V batteries?
Thanks for your inputs!
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