131 kwh used in two months. Truck hasn't moved!

[Solardude]

This is ridiculous, we've been out of state for two months now. I noticed the charge dropped substantially and didn't want to come back to a dead battery so I had one of my adult children plugged it in. No climate control and no sentry mode. What the heck is going on? $22.00 of electricity just sitting?

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[carsly]

That's about 2 kwh/day. Or one kwh every 12 hours which isn't much at all. What's that, about 80 watts/hour or about 1-2 incandescent light bulbs of power? Your TV you may have left plugged in but not on will also consume energy when not used.

In the case of the truck, you've got app access which means the computers in the truck need to stay somewhat awake. It also has to know when to top off the charge, so again the computers are still on. It will also check for updates regularly, which means the computers are on and connectivity to your WiFi or via cell is happening.

I think the question you should ask is what happened the few days you had excess power draw? back to back days of 29kwh aren't possible if the car is stationary and the battery level isn't changing. Same goes for the three days in a row of 16ish kwh. Almost seems like someone changed the charge level or was driving the truck.

 

[Solardude]

The first spikes for days was when I had it plugged in. It was charging. It's plugged into the mobile charger to 120v outlet. You're not seeing usage but charging. 131 kwh in two months of sitting is a lot of power. When I left it was charged to 80%.

 

[carsly]

The first spikes for days was when I had it plugged in. It was charging. It's plugged into the mobile charger to 120v outlet. You're not seeing usage but charging. 131 kwh in two months of sitting is a lot of power. When I left it was charged to 80%.

Most of the 131 kwh of charging (usage = charging if battery level is held constant necessarily) was 65ish kwh in the first few days. If that was topping up to your designated charge level then you can't really include it in your calculation since that energy was largely unconsumed as your battery state of charge was raised from when you plugged in. Maybe you went from 30% to 80% charge here? In which case the energy was not consumed, it was stored in your battery.

That isolates the real question to what happened in the 3 or 4 days at the end of the period. It's not using 16ish kwh/day just sitting. Did you raise the charge level there as well?

Between those two windows at the beginning and end it used almost no power, which is consistent with what I've seen. I typically have my charge level set to 70% and if it's sitting it and plugged in it will run down to 64-65% before turning on the charging circuit to top off - it's not charging every day. That's the one bump you see on the 13th or 14th and then another around the 24th/25th.

 

[Solardude]

The battery was at 80% June 1st. It drained just sitting. It was finally plugged in and you can see what it took to charge back up to 80%. The truck hasn't been used or moved in two months. We will be returning home end of next week.

 

[Boyne]

This is ridiculous, we've been out of state for two months now. I noticed the charge dropped substantially and didn't want to come back to a dead battery so I had one of my adult children plugged it in. No climate control and no sentry mode. What the heck is going on? $22.00 of electricity just sitting?

Was Cabin overheat protection on? Hot weather could cause that usage if it was on.

 

[Baldyloxx]

The HV battery is constantly maintaining optimal temps… this is the biggest constant draw, you can not/should not ever eliminate it..

 

[mongo]

It's plugged into the mobile charger to 120v outlet.

This is likely the problem. 12A @ 120V is only 1.44kW . The pack is barely getting any energy. Especially if cabin overheat or sentry are active in addition to pack temperature control.

The recent charge days are half the energy of the older ones.
16kW/ day is 670W, is the mobile connector faulted to a 6A charge current?

 

[Travis64]

The HV battery is constantly maintaining optimal temps… this is the biggest constant draw, you can not/should not ever eliminate it..

Why does my model 3 never lose any power for weeks?
Cybertruck about 2-3 miles a day in the summer nothing on

 

[L3it3R]

I can go days without losing any energy while it's in the garage. This is odd to me

 

[REM]

This is likely the problem. 12A @ 120V is only 1.44kW . The pack is barely getting any energy. Especially if cabin overheat or sentry are active in addition to pack temperature control.

The recent charge days are half the energy of the older ones.
16kW/ day is 670W, is the mobile connector faulted to a 6A charge current?

Absolutely this. People tend to vastly underestimate how much goes on in the background to keep your Tesla available at a seconds notice.

These things are robots on 4 wheels. They are a 24/7 connected device. Most people don't turn their cell phones off anymore.

 

[BlueLightning]

This is ridiculous, we've been out of state for two months now. I noticed the charge dropped substantially and didn't want to come back to a dead battery so I had one of my adult children plugged it in. No climate control and no sentry mode. What the heck is going on? $22.00 of electricity just sitting?

Out of State “IDLE” fees

 

[Jedi2155]

Something is keeping your vehicle on, and that isn't normal. It should not drain as much as it did.

 

[SCTesla]

I left for 14 days and the truck was in an airport parking garage and it lost 2%.

 

[CyberGus]

What the heck is going on?

The app should show the vehicle as "Sleeping for X hours/days", which draws about 20-25W. If the app shows "Parked" then it has not gone to sleep, and is thus using more power.

It's probably not COP, which is only active for 12 hours after the last drive or charge. If you enabled "Keep Accessory Power On" then the DC/DC converters are active, using power.

It "might" also stay awake if it detects a BlueTooth key nearby, but I assume your phone is with you.

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