The other day, I was on a road trip trying to stretch as far as possible between DC chargers.
I had it all mapped out, I was to have 18Km left when I hit the Tesla Supercharger for my second DC fast charge of the day.
Alas, my exit was blocked by a broken down transport, no biggie, I'll take the next. Right?
10 km later, driving along at highway speed in full adaptive cruise mode, I still had not seen an exit.
It turns out, my next exit was still 20 km away with a solid median between East and Westbound 401.
My actual Charge level was still over 10%, so lots of juice left, right?
I pulled onto the shoulder 4 ways on and reduced my speed to 70 km/h.
Once I hit 0%, 0km displayed, I had driven 19 km, pretty accurate.
With some crazy hypermiling, I managed to squeeze another 12 km or so out of it.
I was on the exit ramp, 800 meters from the charger, when she quit.
My actual state of charge was 3% when it shut down.
Once I got off the tow truck and charged, the actual vs displayed SOC seemed to be more similar.
Lessons learned?
Repeated DC fast charging, five in 36 hours, results in less km per each consecutive charge.
Plan an alternate "landing site" when pushing the limits of the battery.
Start reducing your speed as soon as the Displayed Charge remaining hit 10%.
There seems to be a 16 km buffer once you hit zero km remaining.
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I had it all mapped out, I was to have 18Km left when I hit the Tesla Supercharger for my second DC fast charge of the day.
Alas, my exit was blocked by a broken down transport, no biggie, I'll take the next. Right?
10 km later, driving along at highway speed in full adaptive cruise mode, I still had not seen an exit.
It turns out, my next exit was still 20 km away with a solid median between East and Westbound 401.
My actual Charge level was still over 10%, so lots of juice left, right?
I pulled onto the shoulder 4 ways on and reduced my speed to 70 km/h.
Once I hit 0%, 0km displayed, I had driven 19 km, pretty accurate.
With some crazy hypermiling, I managed to squeeze another 12 km or so out of it.
I was on the exit ramp, 800 meters from the charger, when she quit.
My actual state of charge was 3% when it shut down.
Once I got off the tow truck and charged, the actual vs displayed SOC seemed to be more similar.
Lessons learned?
Repeated DC fast charging, five in 36 hours, results in less km per each consecutive charge.
Plan an alternate "landing site" when pushing the limits of the battery.
Start reducing your speed as soon as the Displayed Charge remaining hit 10%.
There seems to be a 16 km buffer once you hit zero km remaining.
