Battery won't reach 100% (Stuck on ~80%)

This topic has 11 replies, 1 voice, and was last updated 4 years, 9 months ago by Blackhat911.

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December 8, 2018 at 6:09 am #148909
Anthony
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- Posts: 12
I have that issue too, although mine won’t charge over 50-60%.

You have a faulty BMS (Battery Management System). It cuts off the charge to the battery for some reason. You have two options:

Return for refund/exchange

Solder a bypass wire from one cell of the lithium ion battery directly to the output pin of the BMS. That’s what I did, but I added a switch so that I could control when it charges and when it stops charging.
December 8, 2018 at 5:17 pm #148923
Anonymous
Inactive
- Posts: 56
You could also try a complete discharge (i.e. down to 0% or as close as you can possibly get), then charging back up again. It’s unlikely to work however, and if it does may only be a temporary solution. The long term solution as Anthony has mentioned is to send the laptop back to the seller for a new battery, replacement laptop or a refund.
December 9, 2018 at 7:58 pm #148941
Tierri
Participant
- Posts: 5
Hello Anthony,

Take you very much for your answer. Would you give me please more detailed proceders on how to do that? I didn’t understand well the idea.

Thanks,

Tierri Santos
December 9, 2018 at 7:59 pm #148942
Tierri
Participant
- Posts: 5
Hello Olly,

Thanks for your answer, but unfortenately i already tried that once and didn’t work.

Thanks,

Tierri Santos
December 15, 2018 at 7:51 pm #149164
boccon
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- Posts: 1
I have the same problem. the battery does not exceed 83%. And the LED never turns green, always red …
December 19, 2018 at 12:58 pm #149265
Tierri
Participant
- Posts: 5
Yes, that´s the same for me!
December 19, 2018 at 1:48 pm #149266
Tierri
Participant
- Posts: 5
Actually, after i calibrated the battery i could it to get to 93%
December 19, 2018 at 5:42 pm #149281
vcm
Participant
- Posts: 2
Hello Anthony, can you show us How to do this bypass? I really need It, because mine just go until 72%. Im using a usb-c charger, I dont know If this is a problem or not. Thanks in advance.
January 8, 2019 at 12:32 pm #149870
korea 1
Participant
- Posts: 2
My F6pro can not be fully charged as well.

I do not like Teclast.

If it can not be improved, I do not want to buy it again.
June 18, 2019 at 9:05 am #175115
xiangqin
Participant
- Posts: 55
You all have the same confusion. Maybe this is the inadequacy of this computer. The key functions of each computer are different. I read a lot of information and said that this computer has less power storage. It may be possible to battery the computer by replacing the battery in time. I found a replaceable battery in aliexpress. I hope to help you.

https://fr.aliexpress.com/wholesale?catId=0&initiative_id=SB_20190618010513&SearchText=Teclast+F6+Pro+Battery
September 17, 2021 at 7:48 am #222000
Blackhat911
Participant
- Posts: 12
The issue could be:
1. Faulty battery with dead zones.
2. Faulty BMS (which is generally linked to the charging board)
3. A driver issue.
You can try installing the ACPI battery driver. F6 uses an NEC battery chip and so NEC battery driver should work.

https://www.driveridentifier.com/scan/teclast-x6-pro-driver/desktop/5A7D6DA205D04DD1B876E5FCB56DB4B4

You can try changing the battery with a new one. Its available in aliexpress/ebay

If that does not solve, replacing the charging PCB is the only solution, but I am afraid, that might not be available.
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