How you're charging your tablet is quietly ruining the battery - here's how experts do it instead

ZDNET's key takeaways Unplug at 100%, and keep the battery between 20% and 80%.Avoid draining to 0%; store unused tablets at ...

Is The 20-80 Charging Rule For Your iPhone Really Effective? Here's What The Science Says

A long running rule known by smartphone owners is that you should keep your battery between 20% and 80%, but does this ...

Still charging your phone to 100%? What experts say about phone battery health in 2025

Wondering if charging your phone to 100% every night harms battery health? We break down what experts say about full charges, ...

After 2 years of charging my iPhone the 'Apple way' - here's how the battery has held up

ZDNET's key takeaways The battery in my 15 Pro Max was awful after 18 months of use.I did everything Apple suggested to keep ...