Its nominal gross capacity or energy is 21.6 kWh with only 18.8 kWh usable.RyanI3 said:My i3 is 22kwh battery
Where are you located? In North America, residential power is nominally 240 V. In much of Europe, it's 230 V, but there are many local variations which could be as low as 220 V.RyanI3 said:For 3pins charger : 220V x 13A / 1000 = 2.86kwh
Charging efficiency at 240 V and 30 A has been measured to be 94% and 91% at 6 A. Assuming 92% under your situation:RyanI3 said:22kwh / 2.86kwh = 7.69 hours
Is it I need 7.69 hours to fully charged my i3, my calculation is correct?
4U8 Fast Charging AC (Schnell-laden Wechselstrom)bwilson4web said:Not mentioned but our BMW i3 come with two maximum charging rates:
Use your VIN and a VIN decoder to check your car options. I don't remember the specific options but search the forum and you should quickly find out.
- 3.7 kW - mostly found in the EU, many early versions had this limit
- 7.4 kW - standard in North America and also found in the EU, this is the fastest, built-in charger
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