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W10M Battery Life Better on older Devices?


New member
Oct 24, 2014
I have 4 devices all running W10M 15254.1
Lumia Icon - DD
Lumia 928
Lumia 822 - Glorified MP3 player
Samsung Ativ SE

and while the Lumia 822 is obviously the most sluggish running on W10M (though not by a lot) I've noticed the battery life is much better than on the other devices.
To prove this theory I had the Lumia 822 & Ativ SE sit idle and after 3 days the Lumia 822 still had 50% battery life draining at ~1.0%/hr...while the Ativ SE basically tapped out at a little over a day.
I also put all 4 devices through a multi-tasking test playing videos from YouTube @720p, music & had the maps application going & the 822 & 928 drained at ~10% while the quad core phones (Ativ & Icon) drained 20-25%.

Obviously there are various factors for this, but the biggest one to me seems to be the home/start screen. The 2 quad core phones have the bigger screen/more icons that seem to drain the phone more.

I'd be curious to know if anyone else has older devices or has observed this.


New member
Aug 25, 2016
My 1520 runs for a few days. I use it as a 6" book reader. Just finished It by Stephen King. Fun to read a throwaway novel once in a blue moon.

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