May post your battery usage page to see what drains that much. The more experienced guys here may correct me but i guess without rooting there arent too many options to safe battery.
---------- Post added at 04:57 PM ---------- Previous post was at 04:27 PM ----------
Thanks adding screenshots. As i thought facebook is an hughe drain factor as i see it also id suggest adjusting you screen brightness. Idc about uc browser tho
If you find any kind of typo, don't blame me. Blame the guys planning streets in Germany.