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- HP omen 15 - battery drain when powerd off

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12-05-2021 03:30 PM
Hi,
A few months ago, I noticed that even if the laptop is completely turned off, it consumes about 3% of the battery in 24 hours. So it consumes 30% of the battery in ten days, which I find quite unacceptable. Local HP service says this is normal but as I mentioned earlier this does not seem normal to me. What do you think about that? Is this normal?
Thanx
12-05-2021 05:23 PM
Modern laptops with enclosed battery use the Main battery for powering the motherboard even when off. There used to be a CMOS or RTC battery but no more. Also Windows 8 and higher have a weird sleep state that is not 100% asleep so the system can power on faster. This explains the power draw when you think the laptop is off. 3% per day is a bit much but the current setup is going to draw at least 1% or more every night.