Tesla Wall Connector App not correct?

[ocdxfv]

I charge my Mach E at home using a Tesla Gen 3 Wall Connector running at 24a (5.76kW). Last night it charged for 8-1/3 hrs (8:18) which should be about 47.8 kWh. The Tesla App reported that I consumed 45.7 kWh, which is pretty close. The Ford App (black w/white) showed the car accepted 42 kWh, (about 10% loss) which makes sense. The odd thing is that the Tesla App (black w/red) showed the charge dropped considerably about 1/3 of the way in, while my solar app (white w/orange) shows a steady charge all the way through. A third party app (Wall Monitor) shows a steady temperature through the whole charge. I’m thinking the Tesla App is unreliable. Any thoughts?

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[AliRafiee]

I’ve yet to find an app that reliably conveys this info. ?‍