We bought/leased a Niro EV about four years ago. It's doing fine and serving us well, and we just put on new tires for another 40k+ miles of quiet motion.
Right after we picked it up I bought a 220v adapter for our garage. The price was good for its time, and charging overnight is a great feature and a stupid good price compared to other fuel types. However..We got home yesterday with 23 miles left in the tank - about 9%. I plugged it in and it's plugging along, filling at 3.7kW - taking about 18½ hours to do so.
I decided to check on my fuse boxes to determine if it was doing as quickly as it could. Nowadays these cars can charge 60% or more in an hour, but that's at AC+DC charging stations ($25 bucks to go 250 miles, instead of under $10 at home). A difference in speed and expense is reasonable - but that much of a speed difference? Hmm..
Garage #1 has two 220v plugs available, and they are fused for 50A current. Wow - but the former owner did work on old cars for a living/hobby, so he needed serious juice! Garage #2 has just 30A on the 220v for the welder. I then found the obvious choke point: my 4-yr-old EV charger draws just 16A from its 50A plug.
Looking at online options I found one that can be set from 8-32A for charging. At 1/3 or less of what I paid for the new tech four years ago. Wow!
So I'll be swapping out my old receptacle again and adding an app to my phone, and local charge times will be cut by a factor of two. Yippee!!
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