Sentry Mode Battery Usage Over 3 Days Parked

[C T Rick]

Wouldn't it be possible to install a dash cam and keep the draw to a minimum.
Even run it off a usb battery pack so not to draw anything from the truck?

Rick

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[Gurule92]

What was the temp like? Battery conditioning will also use energy. Cabin cooling too (overheat protection), make sure to change that setting to a higher temp.

 

[Diveflyfish]

Is the cause for the excess consumption due to data pushing in a place that has sub optimal connectivity such it is requiring the WiFi or other RF to up regulate wattage to ensure connection and therefore higher energy use?

 

[Texarado]

So, "turn off sentry mode if you don't want drain" isn't relevant to this conversation. Something is definitely out of whack.

Wasn’t suggesting that. Was showing the collective impact of overheat protection and sentry.

 

[agordon117]

Wasn’t suggesting that. Was showing the collective impact of overheat protection and sentry.

I also wasn't singling anyone out, just to be clear.

 

[Ward L]

My M3 went through 19 (6%) miles a day over 7 days with Sentry Mode on. It captured videos of people walking by and getting in their car next to mine. I only checked it once mid-trip to see if I was going to run out of battery. It is reasonable for the CT to consume more power than a M3. Faster processors usually consume more power. When Tesla upgraded my hardware from 2.5 to 3 it required 4 new processors, how many HW 4 processors does the CT have? Also, checking the the vehicle with the app consumes energy. The most confounding part of this story is that Sentry Mode did not capture any events! It does not seem reasonable the CT wouldn’t have people checking it out frequently!

 

[Woodrick]

Wouldn't it be possible to install a dash cam and keep the draw to a minimum.
Even run it off a usb battery pack so not to draw anything from the truck?

Rick

Sounds like a good idea, but it also sounds as if you haven't used one. Those things are power hungry.

There's a LOT more functionality to Sentry mode.

 

[Woodrick]

Everyone saying "well duh it's sentry mode", the point isn't that there should be zero draw. The point is that the draw is way higher than any reasonable person should expect.


If a model 3 loses 5-7% per day with sentry mode on, a cybertruck should lose no more than 2.5-3.5% per day, because the battery is much bigger, but the power draw for sentry mode would be the same.

Instead, the cybertruck lost 8.14% per day. To equate that to the model 3 example here, that's equivalent to the model 3 losing 13.33% battery per day to sentry mode.

Put another way, this cybertruck example burned 10kWh in a day, where a model 3 would only burn 4.5kWh in a day (taking the average of 6% loss per day and 75kWh usable capacity in the battery pack)

So, "turn off sentry mode if you don't want drain" isn't relevant to this conversation. Something is definitely out of whack.

Yes, it does appear to be a little higher than expected. But this is one of those things that Tesla has shown the ability to tune over time.

 

[fdon1]

I would at least put in a service request so that Tesla is made aware officially. This way they can log these action and determine if your vehicle needs something else looked into or if the fleet of CTs needs an update to address this

 

[C T Rick]

10kWh a day is way too high for a few sensors and 4 cameras.

Amazing. I just read my house electric meter this morning..I use approx 7 kwh a day in power for 3 people..gas tankless heater and dryer..otherwise house is all electric. 421 kwh in 60 days. Will be less next read as I got rid of my plasma TV for a led. About a 3x savings that runs about 14 hours a day..
So how can a tesla consume more power per day in sentry mode than me?

No new construction is allowed gas anymore out here kinda crazy as the power company uses natural gas to generate power by making steam or if need be to run a gas turbine. They are the biggest commercial user of gas in all of Los Angeles.

Rick

 

[C T Rick]

Sounds like a good idea, but it also sounds as if you haven't used one. Those things are power hungry.

There's a LOT more functionality to Sentry mode.

As I noted. My house of 3 people consumes 7kwh a day. Pretty sure sentry mode can't consume
more than a family of 3. Something is drawing alot of continuous power.. 10kwh is 416 watts an hour over 24 hours. That's a ton of power with just sentry running and no climate control..

Rick

 

[Woodrick]

Amazing. I just read my house electric meter this morning..I use approx 7 kwh a day in power for 3 people..gas tankless heater and dryer..otherwise house is all electric. 421 kwh in 60 days. Will be less next read as I got rid of my plasma TV for a led. About a 3x savings that runs about 14 hours a day..
So how can a tesla consume more power per day in sentry mode than me?

No new construction is allowed gas anymore out here kinda crazy as the power company uses natural gas to generate power by making steam or if need be to run a gas turbine. They are the biggest commercial user of gas in all of Los Angeles.

Rick

I have one wall of stuff in one room that uses 500W, which translates to 12kWh/day.

And then there's the remainder of the house.

Take a look at the power requirements of some of the gaming computers.

Tesla will probably optimize this, but it is still easily understood to me.

 

[CyberGus]

Sentry-Mode drain has been discussed at length on TMC, it draws approximately 300W, and probably more on HW4. Which is just nutty.

The consensus is that the main culprit is the FSD computer, which is being used to detect events. However, Sentry Mode doesn't require the same performance as FSD, so you'd think they could save energy by dropping the CPU frequency, or camera framerate, until there was an event of interest.

Apparently this is not a priority for Tesla, and/or too tall of a technological challenge.

The "good" news is that Sentry is disabled when capacity hits 20%, so at least it won't strand you with a dead battery.

 

[BChiesa]

Also worth pointing out, that the every time your app connected to the truck for you to monitor the drain, you were waking up the truck and causing additional drain. Not blaming or throwing shade, just wanted to make sure people factored that in as well.

 

[C T Rick]

3 of my vehicles are connected 24/7 to tracking and other obd2 events. At any time.i can look at all the parameters of the vehicle and instant location, electrical, fuel, along with my driving history from day 1. I doubt it uses 5 watts of power. Sure it's not capturing video, but it is waiting for events, like the time I caught a thief in my truck at 10:30 pm..

Rick

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