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Model 3 discharge rate (lemmy.world)

submitted 2 years ago by [email protected] to c/[email protected]

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My model 3 long range is sitting in my garage. I charged it to 80% on Thursday night and unplugged it on Friday morning. It's just been sitting since that time unplugged but undriven. It's down to 51% on Tuesday morning. Down 30% in 4 days seems kind of bad. Sentry mode is on despite me having it set to not be on at home. Still seems like a lot of energy usage for a couple of low resolution cameras. Anyone else noticed this substantial energy usage when not in use?

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[–] [email protected] 5 points 2 years ago* (last edited 2 years ago) (5 children)

Sentry mode drains your battery. It uses a few hundred watts. It's not just the cameras, it's the computers (running ML models to detect pedestrians/etc) and 12v charger too: the whole car is awake and powered.

Mine uses 1% (of 60kwh, so 600wh) every 1.5-2.5 hours. So, in 72 hours I would say 30% drain is completely normal and expected. You can disable Sentry mode in the car or in the app.

[–] [email protected] 3 points 2 years ago (2 children)

Permanently "a few hundred watts" (or something around 300 W according to your calculation) sounds excessive for a passive surveillance system. That's what a gaming PC uses while playing a somewhat demanding game, or a cyclist going uphill.

[–] [email protected] 2 points 2 years ago

Yes, and I would expect my gaming pc to be working pretty hard if it's running several ML models on four video feeds in real time.

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