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In 20 years the tech might advance so much that we could be charging them at home, like iPhones.

(maybe it's impossible, not a scientist, but I'd like to dream)

I charge my i3 at home right now and it's feasible. European AC plugs have 220V and can supply up to 16A before melting the socket. That is 3.5kwh charging. 33kwh battery in i3 can be charged in around 10 hours from zero which provides around 200km (~130 miles) of comfortable driving. More if you go for economy.

Tealas have much larger batteries though.

Teslas also come with a domestic charge adaptor, in case you really have to use it. As you point out, it takes a very long time - something like 25 hours for 90kWh battery.

> That is 3.5kwh charging

Nitpick: Either "3.5 kW" or "3.5 kWh per hour".

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