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That amps/speed chart assumes 240V. Many commercial installations are on 208V instead, since that's what you naturally get from three-phase commercial power. If this charger is on 208V, then knock off roughly 13% from those speeds. Possibly more if there's a lot of voltage drop, I've often seen under 200V at public chargers.
 
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AWDtsla

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Mar 3, 2013
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That amps/speed chart assumes 240V. Many commercial installations are on 208V instead, since that's what you naturally get from three-phase commercial power. If this charger is on 208V, then knock off roughly 13% from those speeds. Possibly more if there's a lot of voltage drop, I've often seen under 200V at public chargers.
13%? as you said it's often under 200V. Add 20% to charging times. It might be worse if the car reduces charging amps due to low voltage.
 

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