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Comment by Rychard

I wonder what the efficiency losses become in this configuration; using the grid to charge a battery to charge a vehicle.

A quick google query says that efficiency of L2 residential EV chargers is somewhere in the neighborhood of 85%, and for DC-DC chargers the efficiency is in the order of 90%. I don't know nearly enough about this to state anything definitively, but it sounds like the efficiency losses start to accumulate pretty quickly.

I wonder what the break-even point is in terms of cost compared to an average ICE vehicle.

Apply a healthy dose of "Don't let perfect be the enemy of good enough" of course, but I am curious about the economics at play.

parent Rychard 2 years ago

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