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Re:Mozilla has stopped all commercial development on Firefox OS by mike-cardwell on Tuesday September 27, 2016 @02:25PM (#12591759)
That page implies good battery life:

"A 6000mAh battery means you have a companion that will be there for you, through use and at times other devices have given up long ago."

But if you look deeper you find on their wiki:

https://pyra-handheld.com/wiki/index.php?title=Battery

"Everyday work load: 8 hours (without any power management features, tested on prototype April 2016)"

8 hours? This is a toy. Why is their headline figure "6000mAh" instead of "8 hours"? Because they know it's shit.

Re:Mozilla has stopped all commercial development on Firefox OS by _wmd on Tuesday September 27, 2016 @02:53PM (#12592016)
I guess you have little experience with embedded bring-up, "without any power management features" is a fairly whopping qualifier, and quoting battery capacity is a far more useful indicator for a prerelease device.

I've been on projects where the dev builds would last 30 minutes on battery right up to days before initial factory run

Re:Mozilla has stopped all commercial development on Firefox OS by cheiVia0 on Tuesday September 27, 2016 @02:47PM (#12591952)
It's in your own quote - it was on a prototype, without any power management features. Once power management features are enabled, it will last longer.