Outdated regulations are hindering smartphone battery development in Europe, US

A couple of days ago, the new EU regulation on disclosing energy efficiency for mobiles and tablets using an extended version of the A-F rating familiar to all European consumers.

https://single-market-economy.ec.europa.eu/news/new-eu-rules...

All manufacturers are required to disclose the time to depleat as well as number of charge cycles before the battery is down to 80% in the searchable database

https://eprel.ec.europa.eu/screen/home

Not surprising, Samsung has phones running circles around xiaomi's best performing phones, with battery times almost 3 times that of X's, and number of charge cycles twice that of X's.