This thing can go 9hrs. I thought they say Xperia 1 ii and iii doesn't have good battery optimizations? : r/SonyXperia
google play services not optimized for battery
Xperia 1 II is equipped with “HS power control” that suppresses heat generation and battery deterioration, which is excellent as a game console | GADGETALERTS.IN
How to remove Android apps from the battery optimization list | TechRepublic
New firmware (32.2.A.0.305) rolling for Xperia Z5 family [Update: Z3+ too] | Xperia Blog
How to save battery life on SONY Xperia XZ3? - HardReset.info
For those complaining about the battery life on Xperia 5, 10, i/ii/iii etc here is the solution. Look at the pics : r/SonyXperia
Optimize battery settings for Sony Xperia smartphones
Xperia Beta update with 'Soft Charging' feature now rolling (23.5.A.1.238) | Xperia Blog
Battery on Sony Xperia 5iii. Love this phone but any tips or settings suggestions to improve battery life? Thank you. : r/SonyXperia
Sony Xperia XZ2 battery test: Even better than it is on paper | NextPit
For those complaining about the battery life on Xperia 5, 10, i/ii/iii etc here is the solution. Look at the pics : r/SonyXperia
Google has quietly introduced a Pixel battery optimization feature for extreme charging conditions - PhoneArena
How to Save Battery on Sony Xperia Z Ultra | CellPhoneRepair.com
How to save battery life on SONY Xperia XZ3? - HardReset.info
Battery Optimization on Sony Devices – Bark
Sony Xperia Z1 Review > Battery Life, Who Is It For? | TechSpot