My laptop always turns off automatically when the battery is about 80%. What is wrong and how can I fix it? - Quora
Why does my laptop suddenly turn off even though I still have more than 50% battery capacity? - Quora
Should you Charge your MacBook to 80% or 90% or 100%? • macReports
Windows laptop turns off when unplugged even with new Battery
3 Ways to Maximize HP Laptop Battery Life - wikiHow
How to Care for Your Laptop's Battery and Extend Its Life | Digital Trends
Solved: Why Is My Laptop Losing Battery When It's Off?
How to recalibrate the battery in your Windows 10 laptop | Windows Central
Keeping Your Laptop Plugged in All the Time Will Kill Its Battery Faster | WIRED
4 Ways to Revive a Dead Laptop Battery - wikiHow
Is It Safe To Play Games On A Gaming Laptop For Hours?
Amazon.com: SinKeu 88.8Wh|65Watts Portable Laptop Charger with AC Outlet, A Super Travel Portable Battery Pack & Power Bank for HP, Notebooks, MacBook, Laptops : Cell Phones & Accessories