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Original topic:

Samsung S21 8/256, super bad battery life

(Topic created on: 14-04-2021 01:58 PM)
Stacey S21
Apprentice
Options
Galaxy S21 Series

Enabled all possible battery life saving methods, still my Samsung S21 still drain my battery: FAST.

I got my new phone (model SM-G991B) on Monday, April 12 2021 > and have not yet used my full workflow on it. Screentime is aprox 3 hours. Still I must charge my battery 2 times a day. This is a big No Go. 

With this drainage, I can't rely on this phone for a full workday outside without any charging outlets available. 

I hope Samsung will fix this with a software upgrade. 

40 REPLIES 40
Pugs1957
Samsung Maker ★
Options
Galaxy S21 Series
Can you post your battery stats? Go into battery and device care,tap the graph and you should see what's eating your battery.
I'm getting just over 2 days on one charge so something isn't right.
Maria_vm
Helping Hand
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Galaxy S21 Series
If you have only had it 2 days then its still learning your usage pattern so battery may be a little all over the place for 5 days to a week. If it continues past a week then something isnt right at all.
Thesld
Pioneer
Options
Galaxy S21 Series
it's across all. I have s10 and s10e.
ruined both.
tried everything.
built in obsolescence.
samsung are *****! trying to be apple
Stacey S21
Apprentice
Options
Galaxy S21 Series

Thanks for the information. WhatsApp is eating the battery (more than when I'm not active). I could place it on Deep Sleep mode, but then I won't get any push notifications. 

If I look at my battery usage it states that "A full charge will last about: 14 h 51 m > so not 48 hrs (just like yours).  

WhatsApp: active 1hr 40 m (background 3h) > 24.1%
Teams: active 55 m (backround 32 m) > 12.5%

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Stacey S21
Apprentice
Options
Galaxy S21 Series

I will check this. If it's not adjusting after 1 week, I will let you guys know.

Maria_vm
Helping Hand
Options
Galaxy S21 Series
Ok fingers crossed the battery settles down on your phone. It must be mega annoyibg to have bad battery life on your phone. Im lucky my phone's battery life is super good. Keeping my fingers crossed that the battery on your phone inproves once it has learned your usage pattern 🤞🤞
Pugs1957
Samsung Maker ★
Options
Galaxy S21 Series
Please don't hijack other people's threads, it's bad netiquettte.
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Stacey S21
Apprentice
Options
Galaxy S21 Series

Huh? I don't understand your message. Please do explain. 
I hope I will get 48 hours of battery life (like yours), but for now, I don't get this. I will check if the battery life adjusts within 5 days, and if not, somethings definitely wrong with the battery

0 Likes
Thesld
Pioneer
Options
Galaxy S21 Series
oh hi the thought police. seeing as the OP liked the message and it was a confirmation, how about you don't tell people what they can and can't do, that's bad etiquette.
if you can help, awesome, not here for speech policing pal 👍