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3 Posts

08-03-2018

FI

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Thinkpad L580 drain battery while off

2018-08-07, 18:07 PM

Hi,

 

As with many others my thinkpad started to drain the battery while off. I think it came up after i made a bios + other updates that the Lenovo vantage wanted me to do. I noticed the same problem at this thread https://forums.lenovo.com/t5/ThinkPad-11e-Windows-13-E-and/High-Battery-Drain-When-Powered-Off/m-p/4061717#M29349 and it got solved by a bios update. Now i currently run the latest bios i can find for my laptop.

 

Would be greatful if someone came upp with a solution. I'm not able to use the powercord everywhere and it drives me nuts when i run out off juice while traveling.

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365 Posts

05-28-2017

CA

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Re: Thinkpad L580 drain battery while off

2018-08-07, 20:46 PM

standby uses some power so you need to fully power down to eliminate the battery drain when the machine is not being used for a while

I own: T400 T500 X220 X230 all running Windows 10 Professional
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3 Posts

08-03-2018

FI

9 Signins

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  • Posts: 3
  • Registered: ‎08-03-2018
  • Location: FI
  • Views: 63
  • Message 3 of 4

Re: Thinkpad L580 drain battery while off

2018-08-08, 15:18 PM
Sure, i meant the power drains during total shutdown.
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365 Posts

05-28-2017

CA

477 Signins

3143 Page Views

  • Posts: 365
  • Registered: ‎05-28-2017
  • Location: CA
  • Views: 3143
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Re: Thinkpad L580 drain battery while off

2018-08-08, 15:25 PM

there is a small deline in battery power over time in power down, this is due to internal resistance of the battery

 

given it is not infinite, there is a small current flow that ends up discharging any battery chemistry

 

lithium batteries are not as bad as older metal hydride for that, but they still might be dead over a period of several weeks

 

if you need them to stay more then remove the battery completely and store them with 50% charge in a cool storage area (0°C) which is best for protecting the battery generally

I own: T400 T500 X220 X230 all running Windows 10 Professional
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