This is a complete article about battery and life .This is a fairly complete and accurate article by a reputable source.
As Example , did you know this :
If you do find yourself regularly operating at or below 20% charge, it's entirely possible you will notice a degraded battery after a year of use.
( i saw many screenshots here with less than 20% of battery) Don't forget to read the Conclusion and to give me your feedback !
Vous aimez la photographie ? Si OUI, cliquez ici : https://eu.community.samsung.com/t5/parlons-photographie/bd-p/photo-club-forum-fr
You like photography , if YES, Click here : https://eu.community.samsung.com/t5/photography-talk/bd-p/photo-club-forum-uk