Here are the "standard" EV Charging Levels with approximate charging time for modern electric vehicles:
Level 1: Uses 120-volt AC electricity to charge (i.e., a standard household outlet) with an output of roughly 1 kilowatt. Takes days to charge.
Level 2: Uses 240-volt AC electricity to charge, with outputs generally between 6 and 19 kilowatts. Can charge an EV with a modest-size battery overnight.
Level 3/DC Fast-Charger: Uses 400- or 800-volt DC electricity to charge, with output ranging from 50 to 350 kilowatts. Can charge an EV's battery from 10 to 90 percent in as little as a half-hour.
The 24KW figure mentioned (240v x 100a) would be the high end of a Level 2 and half the low end of a Level 3. Level 3 fast chargers are rarely found in homes from what I read.
While it is true that batteries of yore had lower capacities, reality is that instead of comparing charging time for current chargers charging smaller batteries, we need to compare both doing a x% to y% or compare charging time for the same range for each.
Different - agree, so that makes comparisons important to be toward equivalent range/etc.It's different. It's not unreliable. It's expensive because of lack of competition.
Not unreliable - disagree, too many battery fires in modern electric vehicles, very corrosive and deadly gases produced in combustion.
Expensive because lack of competition - disagree, they are expensive because they use lots of costly materials. One could argue that if there was more demand, the price might fall, however, despite years of government rebates, electric vehicles are not wanted by the consumer.

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