MacBook Pro Shuts Down at 64% Battery Despite Showing 100% Capacity
I have a 2025 MacBook Pro with an M4 Pro chip and 24 GB of memory. For a while, the battery indicator has been behaving strangely: after charging…
battery calibration
My Samsung Galaxy S25 suddenly showed 100% after only a few minutes of charging
My Samsung Galaxy S25 was at 4% when I connected it to my usual Samsung fast charger. The battery percentage started increasing much faster than normal, and when…
My Samsung S25 suddenly jumped from 4% to 100%—is the battery failing?
My Samsung S25 was at 4% when I connected it to my usual Samsung fast charger. The percentage increased much faster than normal, and after roughly five minutes…
Why does my phone die suddenly and restart at 10%?
My phone had around 20% battery the last time I used it, but it was completely dead when I came home even though I hadn't been using it.…
Gigabyte G7 KF Shuts Down When Booting on Battery
My Gigabyte G7 KF is about three years old, and its battery still provides roughly two hours of use. It usually stays connected to a charger with the…
New laptop suddenly shut down after showing 50% battery—should I return it?
I bought a new Acer laptop a few hours ago. It was showing roughly 50–60% battery, and I left it unattended for a few minutes. When I came…
New laptop battery suddenly dropped from 50% to 0%—is that normal?
I bought a new Acer laptop a few hours ago. It was showing roughly 50–60% battery, and I left it alone for a few minutes. When I came…
Why is my iPhone charging past the 80% limit after the latest iOS update?
Has anyone else seen unusual battery behavior on an iPhone 17 Pro Max running iOS 27? I set the charging limit to 80%, but the phone continued charging…
Why Does My New HP Laptop Battery Drop From 100% to 20% in 30 Minutes?
I have an HP Laptop 15s-du1xxx that is about five or six years old. Its original battery had become unusable, dropping from nearly full to 20% in around…
Why did my laptop battery health drop after installing Linux?
I installed Linux Mint with KDE Plasma on my laptop about two days ago, and the battery health reading has fallen quickly—from around 60% to 40%, then 30%,…
Why Did My Laptop Battery Health Drop So Quickly After Installing Linux?
I installed Linux Mint with KDE Plasma on my roughly 2–3-year-old laptop, and the battery health reading has fallen rapidly—from 60% to 40%, then 30%, and now 20%—over…
Why is my iPhone battery percentage jumping up and down?
I have an iPhone SE (3rd generation) with 85% battery health running iOS 26.1. The battery percentage has started behaving strangely: it used to jump between 19% and…
HP Envy x360 Battery Drops 1% per Minute—Is the Battery Failing?
I bought an HP Envy x360 in July 2024 and mainly use it for school. Until recently, the battery usually lasted around five hours. After leaving the laptop…
Is My HP EliteBook Battery Failing, or Is Linux Reporting It Incorrectly?
I bought a used HP EliteBook 840 G1 and was told its battery health was about 89% of the original capacity, with 109 charge cycles. The original design…
Why does my Galaxy XCover 7 suddenly drop from 40% to 1%?
My Samsung Galaxy XCover 7 is about a year old and has started showing strange battery behavior. When the charge reaches around 40%, the phone can drop to…
Why does my iPhone battery percentage change after restarting?
When my iPhone 16 is at 38%, restarting it sometimes makes the displayed level briefly rise to 39%. After a few seconds it returns to 38%, then may…
Why is my Dell G3 laptop battery dying so quickly?
I've been having a serious issue with my Dell G3 15 laptop's battery. When I unplug it, it goes from fully charged (100%) to completely dead (0%) in…
Should I Let My New iPhone 17 Die Before Charging It Fully?
I recently purchased an iPhone 17 and I've heard it's best to maintain the battery level between 20-80%. I've been following this advice and my phone hasn't died…
My Laptop Battery Won't Charge Past 57% - What Can I Do?
I've been having trouble with my HP ZBook 15 G5 laptop battery. It's currently stuck at 57% and when I tried to fully charge it, it just dropped…