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The extremes I'm reading on the Droid DNA battery are just ridiculous. It's the worst thing in the world. Or it lasts for more than a full 24 hours.

Outliers get tossed for a reason.
Steve Tama's profile photoB Blair's profile photoKent Glisson's profile photoWilliam Martin's profile photo
That's why I like that battery widget I use. It averages together all of those numbers to a reasonably accurate number. 
We need a legit battery benchmark testing process. Just to ensure some level of consistency.

Browser tests put anything with an AMOLED display at a disadvantage, most others are meaningless, just make a nice test to average across the color spectrum and utilize hardware efficiency and put a realistic predictable load on a device and see how it fares
+Jonathan Franklin there's a lot of variables to consider. At the end of the day, I'd much rather use a series of real world use cases than benchmarks. 
+Russell Holly true. Itd be nice to see something users could have for comparison, like a power efficiency version of antutu or other.

Just so people that claim "ZOMG THIS PHONE IS HORRIBLE ON BATTERY" can see that it is their usage pattern that is killing them and not a grass is greener thing as if another device would save them there.

Most people are letting their new devices sleep overnight and keep them on WiFi and lightly use them just to brag about their new device's great battery life and it ends up giving a lot of people false hope

Hell im guilty of that. I wanted to believe my Verizon Galaxy Nexus was good on battery......
+Ross Turner

+Jonathan Franklin So, if you create a series of real world tests that can be re-created over and over again you get exactly what you are looking for... only useful because it applies context to the data. 

For example, when testing headphones I have a spreadsheet with notes from the exact same five songs that I have played with each pair. The same thing is done by reviewers who actually care about delivering quality information. 
+Russell Holly for sure and we as the readers of said reviews appreciate that consistency and that is a big reason why reviewers have that trusted an opinion.

I just wish that the same mentality and standards would trickle down to the general user to have access to (or said users agreed upon one to use) even if it were by means of an application that automated the process for them. something a bit more standardized when theyre giving their own real world scenarios instead of people trying to one-up the other one, or the inverse where people dont have a reference to compare to and go out telling everyone their phone has horrible battery life like what Phil is mentioning
Play a 3 hour hd video on auto brightness in a dark room. Repeat until phone dies. Report.
Stream hd movie on Wi-Fi on auto brightness. Repeat until phone dies. Report.

All this "battery life is great" or "battery life is crap" is pretty much like me saying my chicken tastes like chicken.
I think battery actually potentially is something that could be benchmarked, to a certain extent, certainly more usefully than performance. The biggest battery drain is the screen, followed by data. A benchmark that tests different types of usage scenario could easily be made. The problem is of course it would take hours to run and get accurate results, and people could actually use the phone and give similarly accurate results (if they report the circumstances properly)

It doesn't take that long. 2:15-minute movie from Google Play (720p), 40 percent battery life used, streamed and pinned.

1080p video played back in BS Player ... 50 percent battery used.

Nothing like a BS player.
I don't know how it compares from device to device (ie is one better than another for this), but being in areas with poor cell coverage, even when on wifi, seems to have dramatic impact on battery. Would love to know which device performs best in that situation.
At this point people need to know what they are getting, a 1080p, 5"display with 4G LTE is going to require a trip to the charger. Motorola seems to get the battery thing right in the RAZR HD and Maxx HD with a 2500 and 3300 mah battery. If your battery is non removable those specs should become standard from manufacturers. 
poor cell coverage is likely to kill pretty much any phone, i'd guess phones with better radios would cope better because they'd get a better signal and wouldn't have to search as hard
B Blair
Thus far my iPhone5 beats my Note2 on battery life. Everyone's battery life will vary greatly depending on usage though. Don't read so much into specs 
+William Martin Radio is by far the biggest battery killer. Pull the sim from a thunderbolt, and you can use it on WiFi for days.
Maybe an lte radio +Kent Glisson , on both my desire hd and galaxy note, the screen has had a far bigger impact on my battery stats, whether on Wi-Fi or mobile data (most of my screen on time is browsing), although if I have no signal the radio can destroy my battery in a couple of hours
Even a 3g radio.  Android battery stats do not list radio usage.  Try it for yourself.  Pull the sim, look at pics, watch local videos, and play games.  You will be astonished by the battery life.
My desire hd has been working without a Sim for months now, and I've had my note in flight mode a few times when i didn't want to be disturbed, neither last any longer during use, although obviously if they're not being used the radio will be the biggest drain. 
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