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12v Battery Is Discharging, Re-Charge Now !

Discussion in 'Prime Care, Maintenance and Troubleshooting' started by Rob43, Apr 18, 2020.

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vvillovv Senior Member

Joined:

Mar 19, 2013

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Location:

NY

Vehicle:

2017 Prius Prime

Model:

Prime Plus

Jay Seaman said: ↑

When the vehicle is left with the charging cable connected, the electricity consumption amount of the 12-volt battery increases due to controls, such as the system checking, operating. When the charging cable is not needed, immediately remove it from the vehicle.
Click to expand...

The key is when it's not needed.. Keep reading about why you might want to leave the EVSE connected to the socket of the car during low temps, below freezing, if you didn't see that part yet.
There is also preconditioning which the EVSE will support both in high temps and low.
And preconditioning can also be run several times and also while the car is not plugged in, but if the car is not plugged in than the juice to run preconditioning comes from the cars estimated EV miles.

#421 vvillovv, Nov 16, 2024 at 3:46 PM

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