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Are you using an extension cord to plug in? The extension cord must be a heavy gauge wire cord or it wlll pop the breaker. Don't use a small, wimpy, Christmas light extension cord.
Why would an extension cord that is too small in gauge (and thus draw less current) cause an over-current-based circuit breaker to pop? The device at the end of the cord would see a lowered voltage due to current-limiting, and the cord would likely see resistive heating.

Am I missing something?
 

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I'm not sure about this, but I assume since the car charger can regulate the incoming power, it can call for full power even if there are resistive losses in an extension cord. The power drawn would be the sum of what is lost in the cord, and that demanded by the charger.

We've determined with some certainty that it's noise from the car that is causing the GFCI to trip, which is different than overcurrent.
 

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My charge tracking so far... first hour got 2% charge, based on recent efficiency equals 6 miles.


TimeRangeBattery
17:1165%
18:2522168%
18:3522269%
18:5022469%
19:2822770%
19:4223071%
19:5623171%
20:1323272%
20:2623572%
20:4223573%
 
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