Windows 10: 24H2: BLE Device show Battery is low with battery level 97%

Hi~Recently, I am testing on 24H2 during developing the stylus project.I found that there is low battery notification even when the pen battery level is 97%. However, in the previous version, such as 23H2, 22H2 and so on, it won’t happened.Do you know the reason?

:)

 

Extending time between second low battery notification and hibernation


The ratio is 0.63 However a new power plan was delivered to my computer, probably from Windows Update.

It was probably due to what happened on my 5th day of using my laptop, following an unexpected shutdown from 2 weeks ago, when the laptop was attempting to hibernate whilst it had ran completely out of battery before it had the chance to fully hibernate, in the midst of lots of programs running at the same time (as well as a 2.4GHz wireless mouse).

The one on the right is what Windows Update gave me (within the last 2 days, most likely today). Before there was only one power plan. The only changes I had made was

• Low battery level: 10% before and 15% after
• Reserve battery level: 7% before and 10% after
• Critical battery level: 5% before and after

I'll switch from the high performance plan to the balanced plan, to see if that helps, after a few weeks. Update: 2 weeks later

• Low battery level: 17% (+2)
• Reserve battery level: 14% (+4)
• Critical battery level: 7% after (+2)

Update: Another 2 weeks later

• Low battery level: 19% before (+2)
• Reserve battery level: 15% (+1)
• Critical battery level: 7% (no change)

Update: Another 2 weeks later

• Low battery level: 22% before (+3)
• Reserve battery level: 17% (+2)
• Critical battery level: 7% (no change)

Update: 1 week later (for when bluetooth is on)

• Low battery level: 22% (no change)
• Reserve battery level: 17% (no change)
• Critical battery level: 9% (+2)

Update: 1 week later

• Low battery level: 27% (no change)
• Reserve battery level: 15% (no change)
• Critical battery level: 11% (+2)

Update: 1 week later

• Low battery level: 37% (no change)
• Reserve battery level: 25% (no change)
• Critical battery level: 11% (+2)

Update: 1 week later

22nd of January: 0.63 30th of April: 0.49 So it continually declines by approximately 0.14 every 4 months. The weird thing I've noticed is that the lower the current battery charge is, the faster the current charge gets depleted.

• Low battery level: 40% (+3)
• Reserve battery level: 28% (+3)
• Critical battery level: 14% (+3)

Update: 1 month later in June

• Low battery level: 46% (+3)
• Reserve battery level: 34% (+3)
• Critical battery level: 20% (+3)

Update: July

• Low battery level: 49% (+3)
• Reserve battery level: 34% (+0)
• Critical battery level: 20% (+0)

Update: July again

• Low battery level: 52% (+3)
• Reserve battery level: 37% (+3)
• Critical battery level: 23% (+3)

Update: August

• Low battery level: 55% (+3)
• Reserve battery level: 40% (+3)
• Critical battery level: 26% (+3)

Update: August again

• Low battery level: 58% (+3)
• Reserve battery level: 43% (+3)
• Critical battery level: 26% (+0)

Update: August again even then

• Low battery level: 61% (+3)
• Reserve battery level: 46% (+3)
• Critical battery level: 27% (+3)

 

Window 10 - No warning for low battery.

Hi William,

Your concern about the low battery notification on your device can be facilitated by the Power Options section of Windows. To check if Low battery notification is activated, we'd recommend performing the following:

• Search and launch Control Panel using Cortana.
• In the Search Control Panel box, type Power Options.
• Click on Edit power plan.
• Locate and click Change advanced power settings.
• Locate and collapse the Battery category.
• Locate and collapse Low battery notification.
• On battery must be tagged as On.
• If it's already on, locate and increase Low battery level to at least 10%.

Let us know how it goes after you've performed the steps.

 

Battery level issue

Hi Matt, Go to Control Panel - Power Options Click Power Plan Options on your Current Power Plan Click 'Change Advanced Power Settings In the resulting Dialog at the bottom of the list, expand the 'Batteries' section Change the value for Critical Battery
Level and Low Battery Level Make sure Low Battery Notification is set to ON