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6 Posts

09-21-2019

Bulgaria

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Lenovo s730-13IWL battery discharge when power off

2019-09-24, 6:40 AM

Hi, I have s730-13IWL that looses battery charge when turned off (around 10% per 24 hours).

 

What I did so far:

- Diasable Windows fast startup;

- Turned off Always ON USB from BIOS;

- Disable WIFI from BIOS.

 

The system is with BIOS version 8HCN33WW from 11 Jul 2019.

I can`t find any older version to try downgrade.

 

When I serch the forum it looks like this is a common problem with alot if Lenovo models.

I am also working with HP, ASUS and Huawei laptops and they looses no more then 2-3% per week if not used..

 

Any suggestions on how to fix this or where to find previous BIOS?

 

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2 Posts

09-19-2019

United States of America

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Re: Lenovo s730-13IWL battery discharge when power off

2019-09-24, 7:17 AM

Yes, we are in same situation. I thought my softwares and may be sleep mode consuming battery. I have to recheck it.

Thanks.

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3287 Posts

08-02-2018

United States of America

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  • Message 3 of 15

Re: Lenovo s730-13IWL battery discharge when power off

2019-10-10, 14:34 PM

Hi there! Can you try the similar steps provided in here: https://forums.lenovo.com/t5/Lenovo-Yoga-Series-Notebooks/Battery-drain-when-710-is-off/td-p/3616800. Update us how it goes.



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6 Posts

09-21-2019

Bulgaria

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Re: Lenovo s730-13IWL battery discharge when power off

2019-10-12, 20:26 PM

Hi, thanks for your reply. Unfortunately the solutions there didn't help me. It looks like when the drain is huge (like 30% per night) the most common reason is that the laptop is hibernated or in sleep mode. When the leak is small it usually comes from AOU function or BIOS bug. I have tried to turn off AOU (as everything else that can be turned off/on in BIOS) but without any luck.

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1 Posts

05-08-2020

Spain

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  • Message 5 of 15

Re:Lenovo s730-13IWL battery discharge when power off

2020-05-08, 21:53 PM
I got the same model and I have the same problem! The Laptop only have 6 month! And after switched off during the night (8 hours) the battery is fully empty next morning. How can it be!?
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1 Posts

05-26-2020

New Zealand

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  • Message 6 of 15

Re:Lenovo s730-13IWL battery discharge when power off

2020-05-26, 21:36 PM

Same issue here. I turn the laptop off with over 50% battery and in the morning has no battery. It's only few months old!

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1 Posts

08-04-2020

Malaysia

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  • Message 7 of 15

Re:Lenovo s730-13IWL battery discharge when power off

2020-08-04, 7:33 AM

My unit bought in May 2020 also facing the same problem. As I don't use it over weekends, the battery is heavily or totally drained on Monday mornings. Any solution on how to stop this issue? Lenovo support?

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3 Posts

10-04-2020

Kazakhstan

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  • Message 8 of 15

Re:Lenovo s730-13IWL battery discharge when power off

2020-10-04, 4:49 AM

Hello there! I have the same problem. The battery discharges even from 60% to 0% overnight, only when it's 100% it stays. I have tried to do all the adjustments (turn off fast startup, update BIOS (now vesrion 8HCN36WW), etc.), but no help. I have given the laptop for battery test, but they revealed no issues with it, which seems to be a software problem. After windows 10 was reinstalled, a few days it was working in normal regime and later again started to drain overnight, although I have only installed Google and Microsoft package there. Please suggest what should be done, is it necessary to change the battery or the software problem needs to be solved somehow. Thank you in advance.

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2 Posts

10-24-2020

United Kingdom of Great Britain and Northern Ireland

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  • Message 9 of 15

Re:Lenovo s730-13IWL battery discharge when power off

2020-10-24, 16:49 PM

Hi, it seems that this issue is becoming quite common. I experienced battery drains when turned off for long periods, i.e. overnight.

Usually when battery is below 45% and I turn it off, next day it drops to 0% straight away.

Today I tried to leave it in sleep mode and I had no problems (maybe 1-2% drain), but at 39% I reboot it and this caused the battery to go to 0% again.

Tomorrow I will format the laptop and reinstall Windows, but this is really annoying.

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2 Posts

10-24-2020

United Kingdom of Great Britain and Northern Ireland

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  • Message 10 of 15

Re:Lenovo s730-13IWL battery discharge when power off

2020-11-07, 18:42 PM

I tried formatting my laptop, but battery drain it's still present when "turned off".

 

Lenovo can you please provide any help/fix?

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