There are some heavy duty alternators that can supply over 300 amps 12v, I expect that they're pricey.
https://www.merlinequipment.com/wp-cont ... ochure.pdf
Running a genny off propane or butane?
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Re: Running a genny off propane or butane?
Post office telephones, before the days of BT, used small portable LPG generators to power lighting at work sites. 27.5 volts nominal, to charge 24 volt batteries and/or power 25 volt GLS lamps.
These still sometimes turn up secondhand, and if in good working order are worth considering for the off grid home with a 24 volt battery system. Several manufacturers built these to the same Post office specification.
They worked for days from the large propane cylinders, I suspect that quite a few were "borrowed" in the 1970s power cuts.
These still sometimes turn up secondhand, and if in good working order are worth considering for the off grid home with a 24 volt battery system. Several manufacturers built these to the same Post office specification.
They worked for days from the large propane cylinders, I suspect that quite a few were "borrowed" in the 1970s power cuts.
"Installers and owners of emergency diesels must assume that they will have to run for a week or more"