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Just what is 'vampire drain' energy been used for?

4878 Views 25 Replies 12 Participants Last post by  donald
Last two nights we've been away from home so not plugging in the car.

Monday night parked up with 50% SOC, in the morning it was down to 45% - followed by an option to 'update' the software even though the car had no access to Wifi.

Last night parked up with 30% SOC - turned off 'always on', passive entry, turned on energy save, in the morning 29%.

So clearly when you 'turn off' some of the options the vampire drain drops dramatically, which makes wonder what on earth the car is doing to use so much energy in 'normal' mode. Is it something to do with it constantly reporting back to base , and software updates etc been pushed??
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20% when parked up last night at 530pm, 20% this morning at 8am, but dropped quickly to 19%. Arrived home with 11% tonight, in theroy enough charge to make it to the weekend but Im a chicken so plugged in just now.
It's not a great idea to let it drop so low if you can help it, anyway. Better for the long-term health of Li-ion batteries to charge whenever possible and not let it drop below ~20% for significant periods!
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