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I agree, thinking internal combustion engines will be around in large numbers for a while still. If or when electric cars become cheaper to manufacture is when they will take off in large numbers IMO.
It may also take years for motorhomes to adopt 48V battery systems, but since Volta has had relative success, progression may speed up now, particularly if another company emerges to compete. Or if some RV manufacturers start to go to 48V on their own.
I mentioned benefit of smaller wiring sizes if switching from 12 to 48 Volts, but didn’t say the lower current rate could also reduce size of fuses, switches, relays, etc. Also the size/rating of solar controllers is reduced. Many solar controllers are rated at four times the wattage at 48 vs 12 Volts.
The remaining piece that’s still missing is the 48V (~ 56 for charging) alternator. As long as chassis manufacturers don’t offer an easy way to install a 48-Volt alternator, progress will continue to be slow in my opinion.
I’m hoping the new Ford electrical architecture they have been announcing with dual alternators may make the conversion simpler and much less expensive.
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