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MarkoChesh
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Posts: 4
Registered: ‎09-21-2019
Location: BG
Views: 206
Message 1 of 4

Lenovo s730-13IWL battery discharge when power off

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?

 

AYoung8
What's DOS?
Posts: 2
Registered: ‎09-18-2019
Location: US
Views: 194
Message 2 of 4

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

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

Thanks.

Support Specialist
Posts: 1,576
Registered: ‎08-02-2018
Location: US
Views: 137
Message 3 of 4

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

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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MarkoChesh
Fanfold Paper
Posts: 4
Registered: ‎09-21-2019
Location: BG
Views: 117
Message 4 of 4

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

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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