phone charging

Next year, you don't need to plug in the charger but the phone is still full of batteries
Real wireless charging technology is being developed, allowing the battery to be charged without plugging in at a distance of 1 meter.
How to use and recharge the phone battery properly?
Whenever owning a new phone, some salespeople still advise users to discharge the battery, then fill it before starting the first use.
Nokia is developing battery technology without charging?
The news site WMPowerUser has published an article from the Guardian's source since 2009 that provides an interesting information that many people may not know.