this post was submitted on 28 Jul 2025
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I got an extra 30% battery life after switching to GrapheneOS. I'm guessing whatever is saving my battery, would also bring down the load on the system.
I did notice my phone heats up much less after switching to GrapheneOS.
I've been runnnng GrapheneOS with charge capped at 80%. Phone has not emulated thermite.
I haven't found any discussion about the battery issues at GrapheneOS yet.
Meaning you charge till 80% full, or at 80% max charging speed? just curious.
80% full. It drastically helps extend battery life
Yep. It's the capacity.
Anyone can cap the charging speed by using a garbage $2 700mA charger from 2008.
Is this done manually , or there’s a system thing for it ?
In GrapheneOS, Settings -> Battery -> Charging Optimization.
Many phones support it. My old mid range Samsung galaxy phone from 2020 had it, as does my Pixel 9a.
I have kinda bad battery issues on graphene and have been having it even on my old pixel 5 (currently on pixel 8a).
Could it be because I use google play services? Maybe I'll get a huge decrease in battery consumption if I cut this off. But I do need it for maps and stuff
Just here to confirm this comment from personal experience.
plan to buy a pixel just to put Graphene on. Which one do you have and any problems?
I've got a 7 and works great
Graphene lists all the pixel models they support and for how long. https://grapheneos.org/faq#device-lifetime
Finally had to ditch my 3a this month because Google is psychotic and it's too old for graphene or lineage. Sucks bc the phone still works great. I've temporarily got an 8a running graphene, and am loving it, but will be switching to a 9a shortly for non pertinent reasons. It is such a weird feeling of relief to be on a secure OS.
I have no recommendations for versions. Depends in your case.
Although I'll mention that some people don't like that Pixel by default doesn't include the bottom menu on the screen, and uses other swiping features on the screen to do the same thing.
However in your system settings you can change the UI to gave the navigation menu at the bottom of the screen similar to Samsung.
Strong recommend for learning the swipe motions. It takes a few min to learn but it’s free real-estate after that. And it’s faster. At least for me.
I'm happy that you're happy, but over here I miss the 4 button navigation bar that was standard in ye olde android.