Battery cost is the biggest factor. If electric car manufacturers can get price down to about $300 per kWh installed, then a motorhome could have up to 20 kWh of battery capacity installed for similar price of a diesel generator, and that’s allowing for recharging. With that much battery, owner could run two efficient A/Cs overnight with ease if boondocking. Efficiency of new 48VDC Air Conditioner is quite important to lower battery size and thus cost.
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