Windows 10: Battery health, and how long will 24,375 mWh last?

Jihan Thakor_278 · May 16, 2024

Hello, my friend has a computer, it's design capacity for battery is 53,010 mWh, computer purchased and use since 2021 and now has a full charge capacity 24,375 mWh. I was wondering how long this would last if used continuously. I was also wondering are battery's able to be replaced in a laptop. -Jihan

:)

Rajat Rawat1 · May 16, 2024

Why did my battery capacity drop from 27000 mwh to 4300 mwh suddenly?

I have had this laptop for 3 years now. I was working yesterday and my battery percentage was showing around 90%. Suddenly my laptop shut down. I plugged in the charger and saw that battery had drained to zero. I checked the battery health and it shows that my full charge capacity is 4200 mwh. And it was 27000 mwh just few hours ago. It is providing battery backup of around 1 hour 10-20 minutes without charging.

baskhara · May 16, 2024

Acer battery won't charge

What if the battery unremoveable? Should I disassemble and remove it? also there is a switch underneath the case and around the RAM slot that prevent the laptop to turn on when the case is open and without the charger. Is that the same as removing the battery? although when turned on with charger, the laptop still see the battery. Thanks

If the laptop works without the battery then charger is functioning correctly. Take a cloth with a bit of rubbing alcohol on it (or some on-the-go alcohol swabs), and clean the metal contacts that connect your battery to your laptop.

Make sure to install all Windows important updates.

Install latest versions of your laptop device drivers you can download the latest device drivers from the device manufacturer or from your laptop manufacturer website.

Step 1

1. Shutdown your laptop.

2. Remove the battery.

3. Connect the AC power adapter to your laptop.

4. Power on the laptop

5. Open the Device Manager by typing Devmgmt.msc into Start Menu or from Control Panel.

6. Under the Batteries category, right-click all of the Microsoft ACPI Compliant Control Method Battery listings, and select Uninstall (it’s ok if you only have 1).

7. Shutdown the laptop.

8. Insert the battery.

9. Power on the laptop.

If above suggestions wont resolve the battery charge issue then follow below steps.

Step 2

1. Shutdown the laptop.

2. Remove the battery.

3. Start the laptop with only AC adapter connected to laptop.

4. When you login to Windows OS connect the battery while Windows OS working.

Step 3

Reset the System Management Controller. Use one of these methods to reset the SMC, which controls battery management, battery status light.

1. Shut down the computer and disconnect the power cord.

2. Remove the battery.

3. Press and hold the power button for ten seconds.

4. Reattach the battery and AC power adapter, then start up the laptop.
Click to expand...

- - - Updated - - -

Generate a battery report. Amongst other things, this should tell you the design capacity of the battery and its current maximum charge capacity. All batteries loose capacity with use so don't expect the charge capacity to be 100% of the design capacity, but for a useable battery it should be well over 50% design capacity.

Generate Battery Usage Report in Windows 10

I second Freebooter's suggestions for checking other reasons the battery may no be charging, but if it's health has deteriorated it may be time to replace it.
Click to expand...

I took the report, the design capacity was 41.440 mWh but full charge capacity is now 25.752 mWh. Is it that bad? Before this happened I believe HWMonitor also show the same number with 38% Wear Level.
Here's the report file

havx · May 16, 2024

Battery problems after windows 10 upgrade!

Thanks for your reply. I tried what you've told, but it did not help.

powercfg /batteryreport contains the following:

Battery capacity history

Charge capacity history of the system's batteries

2014-10-20 - 2015-03-09
41,880 mWh
45,300 mWh

2015-03-09 - 2015-03-23
41,628 mWh
45,300 mWh

2015-03-23 - 2015-03-30
40,785 mWh
45,300 mWh

2015-03-30 - 2015-04-06
40,486 mWh
45,300 mWh

2015-04-06 - 2015-04-13
39,777 mWh
45,300 mWh

2015-04-13 - 2015-04-20
39,570 mWh
45,300 mWh

2015-04-20 - 2015-04-27
38,765 mWh
45,300 mWh

2015-04-27 - 2015-05-04
38,145 mWh
45,300 mWh

2015-05-04 - 2015-05-11
37,624 mWh
45,300 mWh

2015-05-11 - 2015-05-18
37,141 mWh
45,300 mWh

2015-05-18 - 2015-05-25
36,547 mWh
45,300 mWh

2015-05-25 - 2015-06-01
35,899 mWh
45,300 mWh

2015-06-01 - 2015-06-08
35,277 mWh
45,300 mWh

2015-06-08 - 2015-06-15
34,822 mWh
45,300 mWh

2015-06-15 - 2015-06-22
34,105 mWh
45,300 mWh

2015-06-22 - 2015-06-29
33,611 mWh
45,300 mWh

2015-06-29 - 2015-07-06
32,985 mWh
45,300 mWh

2015-07-06 - 2015-07-13
32,465 mWh
45,300 mWh

2015-07-13 - 2015-07-20
31,875 mWh
45,300 mWh

2015-07-20 - 2015-07-27
31,266 mWh
45,300 mWh

2015-07-27 - 2015-08-03
30,586 mWh
45,300 mWh

2015-12-21 - 2015-12-28
17,713 mWh
45,300 mWh

2015-12-28 - 2016-01-04
17,391 mWh
45,300 mWh

2016-01-04 - 2016-01-11
17,385 mWh
45,300 mWh

2016-01-12
17,385 mWh
45,300 mWh

2016-01-13
17,385 mWh
45,300 mWh

2016-01-14
17,385 mWh
45,300 mWh

2016-01-15
17,385 mWh
45,300 mWh

2016-01-16
17,385 mWh
45,300 mWh

2016-01-17
17,385 mWh
45,300 mWh

2016-01-18
17,385 mWh
45,300 mWh

2016-01-19
16,830 mWh
45,300 mWh

It seems that the battery is not good.

Update 1:

Aditionally, I found a link that reports the same problem:

Toshiba laptop drains battery life quickly but stops draining at about 5 %

My Toshiba Laptop (Toshiba Satellite P55t-B5262, bought from Microsoft Store) will drain battery quickly on very light use (word processing, browsing pictures, etc.) down to 9% in about an hour. Then, it will stick at 9% and tell me it has only a few minutes
left, but actually last for another 1.5 hours more.

Battery usage

2016-01-20 14:50:32
Active
2:29:27
91 %
14,145 mWh

I recently also calibrated the battery (discharged it to 5% and put it in sleep mode for a few hours, then charged it back up to full,...) and still this problem is occurring.

Update 2:

I have just restored the Laptop back from Windows 10 to Windows 8.1, and run powercfg /batteryreport. The above issue seems disappeared:

Battery capacity history

Charge capacity history of the system's batteries

2015-03-06 - 2015-03-13
41,776 mWh
45,300 mWh

2015-03-13 - 2015-03-20
41,554 mWh
45,300 mWh

2015-03-20 - 2015-03-27
41,235 mWh
45,300 mWh

2015-03-27 - 2015-04-03
41,235 mWh
45,300 mWh

2015-04-03 - 2015-04-10
41,235 mWh
45,300 mWh

2015-04-10 - 2015-04-17
41,235 mWh
45,300 mWh

2015-04-17 - 2015-04-24
41,235 mWh
45,300 mWh

2015-04-24 - 2015-05-01
41,235 mWh
45,300 mWh

2015-05-01 - 2015-05-08
41,235 mWh
45,300 mWh

2015-05-08 - 2015-05-15
41,235 mWh
45,300 mWh

2015-05-15 - 2015-05-22
41,235 mWh
45,300 mWh

2015-05-22 - 2015-05-29
41,235 mWh
45,300 mWh

2015-05-29 - 2015-06-05
41,235 mWh
45,300 mWh

2015-06-05 - 2015-06-12
41,235 mWh
45,300 mWh

2015-06-12 - 2015-06-19
41,235 mWh
45,300 mWh

2015-06-19 - 2015-06-26
41,235 mWh
45,300 mWh

2015-06-26 - 2015-07-03
41,235 mWh
45,300 mWh

2015-07-03 - 2015-07-10
41,235 mWh
45,300 mWh

2015-07-10 - 2015-07-17
41,235 mWh
45,300 mWh

2015-07-17 - 2015-07-24
41,235 mWh
45,300 mWh

2015-07-24 - 2015-07-31
41,235 mWh
45,300 mWh

2015-07-31 - 2015-08-07
41,235 mWh
45,300 mWh

2015-08-07 - 2015-08-14
41,235 mWh
45,300 mWh

2015-08-14 - 2015-08-21
41,235 mWh
45,300 mWh

2015-08-21 - 2015-08-28
41,235 mWh
45,300 mWh

2015-08-28 - 2015-09-04
41,235 mWh
45,300 mWh

2015-09-04 - 2015-09-11
41,235 mWh
45,300 mWh

2015-09-11 - 2015-09-18
41,235 mWh
45,300 mWh

2015-09-18 - 2015-09-25
41,235 mWh
45,300 mWh

2015-09-25 - 2015-10-02
41,235 mWh
45,300 mWh

2015-10-02 - 2015-10-09
41,235 mWh
45,300 mWh

2015-10-09 - 2015-10-16
41,235 mWh
45,300 mWh

2015-10-16 - 2015-10-23
41,235 mWh
45,300 mWh

2015-10-23 - 2015-10-30
41,235 mWh
45,300 mWh

2015-10-30 - 2015-11-06
41,235 mWh
45,300 mWh

2015-11-06 - 2015-11-13
41,235 mWh
45,300 mWh

2015-11-13 - 2015-11-20
41,235 mWh
45,300 mWh

2015-11-20 - 2015-11-27
41,235 mWh
45,300 mWh

2015-11-27 - 2015-12-04
41,235 mWh
45,300 mWh

2015-12-04 - 2015-12-11
41,235 mWh
45,300 mWh

2015-12-11 - 2015-12-18
41,235 mWh
45,300 mWh

2015-12-18 - 2015-12-25
41,235 mWh
45,300 mWh

2015-12-25 - 2016-01-01
41,235 mWh
45,300 mWh

2016-01-01 - 2016-01-08
41,235 mWh
45,300 mWh

2016-01-09
41,235 mWh
45,300 mWh

2016-01-10
41,235 mWh
45,300 mWh

2016-01-11
41,235 mWh
45,300 mWh

2016-01-12
41,235 mWh
45,300 mWh

2016-01-13
41,235 mWh
45,300 mWh

2016-01-14
41,235 mWh
45,300 mWh

2016-01-15
41,235 mWh
45,300 mWh

2016-01-16
41,235 mWh
45,300 mWh

2016-01-17
41,235 mWh
45,300 mWh

2016-01-18
41,235 mWh
45,300 mWh

2016-01-19
41,235 mWh
45,300 mWh

So, I may conclude that it's the problem of upgrading frome Windows 8.1 to Windows 10.

Ha.

Thank you for posting in Microsoft Community.

We suspect that the issue might arise due to incorrect power settings or corruptions. Hence we suggest you to follow the methods and check if it helps.

I would suggest you to reset and restore all of the default Power Plans back with their default settings. Follow the steps.

Press Windows Key + X.

Select Command Prompt (Admin).

At the command prompt, type
powercfg -restoredefaultschemes, and then press ENTER.

At the command prompt, type
exit to exit the Command Prompt window.

Restart the computer and check with the issue.

Run the power troubleshooter.

Step 1: Press Windows +R
key on the keyboard.

Step 2: Type troubleshooting in the pop-up box and press
Enter.

Step 3: Click System and Security on left panel.

Step 4: Click Power, new window will popup.

Step 5: Follow the on screen instructions.

Hope this helps, let us know the status of the issue.
Click to expand...

Windows 10: Battery health, and how long will 24,375 mWh last?

Battery health, and how long will 24,375 mWh last?

Battery health, and how long will 24,375 mWh last?

Battery health, and how long will 24,375 mWh last?

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