Laptop battery health suddenly dropped to 60%—what should I check first?

[Raveen Paswan]

Hi,
After a Windows update, my battery wear level increased drastically. Is this a calibration issue, firmware bug, or a real sign of hardware failure? Any proven solution for this?

[devraj]

So, your laptop battery health just plummeted to 60% out of nowhere? that sucks. I remember when mine did the exact same thing. I thought my laptop was dying. But hold on, don’t freak out just yet. There are a few things you can check before you start shopping for a new battery.

Start with the basics: did anything change recently?
Like, did your laptop do a major update? Or maybe you started using it while it’s always plugged in? Honestly, keeping your charger in 24/7 seems convenient, but over time, it can mess with your battery’s long-term health. I learned that the hard way.

Check for heat issues.
You won’t believe this, but once I left my laptop in the car on a hot day and boom, battery damage. Heat is a battery killer. If your laptop’s been running hot lately or sitting on a soft surface like a bed or couch (which blocks airflow), that could be the reason.

Run a battery health report
If you are on Windows, just open the Command Prompt as admin and type:
powercfg /batteryreport
It’ll give you a full rundown of your battery’s life and what it’s been through. Honestly, it’s kinda interesting to see the data.

Try recalibrating it
Sometimes your battery just needs a reset. Fully charge it to 100%, use it until it dies, then charge it back up again. That little trick has worked for me before.

[Author]

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