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Charging loss

Erewegoagain

Member
Aug 29, 2020
23
4
Toddington
I used to have the cheapest commute possible as on arrival at Cheshire Oaks after my 170 mile journey there were 2 Tesla destination chargers and I could fill my car for free.

Sadly all great things come to an end and today I arrived to see them replaced by ChargePoint chargers. I’m wondering if I therefore plan in a stop at Keele…..

which brings me to my question. If I charge with a supercharger I believe that is DC charging and there is little loss compared with a non Tesla charger. Can anyone tell me how much the loss is when converting AC to DC as the superchargers are slightly more per KW but I wonder if they aren’t dearer in reality

thanks
Andrew
 

LukeUK

Member
Feb 25, 2020
437
268
Shropshire, UK
Based on the new chargers at Rugby, it was around 13%, based on the data from TeslaFi, compared to the charger itself.

See this post;


Luke
 
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26ct2143

Member
Nov 22, 2020
219
92
Burton-on-Trent, UK
The AC chargers bill you per kwh used, so some energy is wasted by the the car's onboard AC-DC charging system.
Anyway, I'd say if it bothers you, simply choose a charger that has the lowest £/kwh.
 

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