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Murtazin: Samsung Galaxy S7 to feature up to two-day battery life

Posted: , by Alan F.

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Murtazin: Samsung Galaxy S7 to feature up to two-day battery life
Russian tech blogger Eldar Murtazin disseminated a tweet last week, claiming that the Samsung Galaxy S7 battery would be able to play 17 consecutive hours of video at full brightness on a single charge. Without hearing that from Samsung, we certainly have to take Murtazin's tweet with a grain of salt.

Murtazin posted a follow-up tweet on the subject just the other day. This one contained a diagram implying that the Galaxy S7 will provide users with up to 48 hours of power on a single charge. The screen-on time measured about four and a half hours, and the brightness was set at 75%.

The Samsung Galaxy S7 is expected to carry a 3000mAh juicer inside, up from the 2550mAh battery powering the Samsung Galaxy S6. Speaking of the Galaxy S6, our custom battery test showed the handset running 7 hours and 14 minutes before demanding to be fed. To put that in perspective, the top phone on the list when the test was run last March, was able to ride its battery for 10 hours and 42 minutes. That model was the Motorola DROID Turbo, which carries a 3900mAh cell.

The Samsung Galaxy S7 and Samsung Galaxy S7 edge should be unveiled later this month, February 21st to be specific, during the Samsung Unpacked event. That is the day before MWC kicks off in Barcelona. Battery life should be improved with the Marshmallow feature Doze included. With Doze, inactive handsets are put into a deep sleep state, and apps are cut off from the network until they are needed.

Thanks for the tip!

source: @eldarmurtazin via Phandroid

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posted on 05 Feb 2016, 12:11 8

1. Wiencon (Posts: 1870; Member since: 06 Aug 2014)

Z3 Compact was able to easily pull 2 days on single charge, mine worked usually for 4 days with my type of usage

posted on 05 Feb 2016, 12:22

9. Xperia14 (Posts: 428; Member since: 01 Sep 2015)

My Z2 gets 7-8 hours of SoT with two days of usage. So this 4,5h seems weak to me, I expected more.. If this will be actual battery life I'll wait for the Z6 for sure.

posted on 05 Feb 2016, 13:24 7

26. tedkord (Posts: 11626; Member since: 17 Jun 2009)

What 4-5 hours? This said 17 hours at full brightness.

posted on 05 Feb 2016, 13:41 2

30. iamfury (Posts: 62; Member since: 07 Oct 2012)

there's a difference between SoT and video playback time.

posted on 05 Feb 2016, 13:59 4

32. tedkord (Posts: 11626; Member since: 17 Jun 2009)

The screen is usually in while watching video, otherwise you're not watching video.

posted on 05 Feb 2016, 20:09

47. TechieXP1969 (limited) (Posts: 10115; Member since: 25 Sep 2013)

That's what I said to someone as well.
The screen is on while watching a movie for 17bstraight hours. So an idle phone would last even longer.

I can get 2 full workdays of usage on a single charge with my Note 5 and it has way more features that the Galaxy S. So an SD with a battery of the same size should get better life over the Note because it has mess features.

Which makes you wonder how another very popular phone which has even less features that the Note, only last equally as long. After, how does a phone with less features, last only as long with more features? Shouldn't it last longer?

Risk could be great news. Wonder what the edge model will get.

Oh and imagine the S7 Active which already gets more life over ant of rhetoric Galaxy models.

posted on 05 Feb 2016, 22:13 1

54. tedkord (Posts: 11626; Member since: 17 Jun 2009)

To be fair, I can't get anywhere near two full workdays on a charge on my Note 5. I can get a full day.

posted on 05 Feb 2016, 14:06 3

34. rd_nest (Posts: 1593; Member since: 06 Jun 2010)

Depends on lot of factors, primarily the display.

1. An HD display vs QHD display is very obvious issue.
2. What you do on that SOT is important parameter again.

So, it's oranges vs mangoes vs grapes etc., comparison

posted on 05 Feb 2016, 12:37

14. wargreymon (Posts: 712; Member since: 05 Nov 2013)

I got 10h SoT over 100h before, not at 75%, but would easily beat this even at 75%.

posted on 05 Feb 2016, 12:53

16. Switch00 (Posts: 472; Member since: 04 Sep 2013)

Note2 optimised, 2 days normal use no problem. Not a minute more, though.

posted on 05 Feb 2016, 12:48 11

15. maherk (Posts: 3724; Member since: 10 Feb 2012)

720 vs 2k, there is no comparison here.

posted on 05 Feb 2016, 12:59 3

17. Xperia14 (Posts: 428; Member since: 01 Sep 2015)

Weak argument. Like resolution is the only factor for battery life.. Aren't Amoleds supposed to be more efficient anyways?

posted on 05 Feb 2016, 13:11 11

24. maherk (Posts: 3724; Member since: 10 Feb 2012)

How is it weak smartass?
Screen resolution and cpu plays a huge factor in battery life.
And there is really no point in debating you, you will run and hide as always when faced with facts.

posted on 05 Feb 2016, 13:34

29. Xperia14 (Posts: 428; Member since: 01 Sep 2015)

Because you CAN compare them as they are both high-end smartphones. Do you also say that you can't compare the image quality of let's say the Z5 and the S6 because they both have a different sensor? No of course not, as it's the end product that matters, regardless of the specs they use. And besides screen resolution, there are more factors contributing to battery life, ike the type of panel etc. So do you also say that you can't compare the battery life of the Z2 and S5 because one has LCD and the other has Amoled?
Oh, and swearing and personal attacks because I have a different opinion/ use another brand are so childish.

posted on 05 Feb 2016, 13:03 2

19. Wiencon (Posts: 1870; Member since: 06 Aug 2014)

I ,personally, don't care about it. I didn't ask for useless pixels in phone. As a consumer I would assume that if they went to 2K they have all this figured out. And I care much more about battery than stupid resolution, 320ppi is enough for me

posted on 05 Feb 2016, 13:07 7

22. maherk (Posts: 3724; Member since: 10 Feb 2012)

I am with you on this one, I would rather take a 1080 screen over a 2k and 4k one. But the point is that you can't compare the battery life of those 2 devices because of the massive difference in screen resolution. But if battery life is the goal no matter what is underneath the hood, then let's compare the Z3c and S7 with the Nokia 3310

posted on 07 Feb 2016, 12:27

60. phonegeek1212 (Posts: 52; Member since: 14 Aug 2015)

I charged my Nokia 3310 in 2005...will charge it again in 2020!!

posted on 05 Feb 2016, 20:16 2

48. TechieXP1969 (limited) (Posts: 10115; Member since: 25 Sep 2013)

The Note 5 actually has. Better yet battery life vd some other popular phones, when you consider it's doing 4 times as much. A phone with 1/2 the features or less should do better, yet they don't and they cost more.higher resolution and and fancier hardware need more power. The fact they can balance it to get 48 full house would be amazing. I get 2 full work days on a single charge. I haven't gotten 2 full 24 hour days and I don't know of any that can, though I am not saying one doesn't exist.

posted on 06 Feb 2016, 06:53

58. chenski (Posts: 409; Member since: 22 Mar 2015)

Not everyone use their phone the same way, im pretty sure once you install chinese rogue games it wont last half a day unless you greenify

posted on 08 Feb 2016, 14:17

61. zacsaturday (Posts: 209; Member since: 09 May 2014)

That is actually wrong

for example, The QHD Screen on the MX4 takes 10% less power than the one on the MX3.

I using this example because their power consumption were both given

posted on 05 Feb 2016, 14:28 5

37. suavemezie (Posts: 84; Member since: 21 Jun 2012)

Z3 is a crap of a phone

posted on 05 Feb 2016, 16:11

39. Xperia14 (Posts: 428; Member since: 01 Sep 2015)

If you hate great battery life, IP68, micro SD, FM, a good camera with a dedicated button, a great design and build quality and Sony's software then it must be crap. Otherwise, if you care about these, like me, it's one of the most complete packages. But hey, you probably haven't even owned one.

posted on 05 Feb 2016, 17:34

43. srgonu (Posts: 251; Member since: 13 Feb 2012)

I like Z3 for what you mentioned except the display. Display doesn't judge the brilliant photos taken by this phone. Also, front facing camera is crap.

posted on 05 Feb 2016, 20:17

49. maxha97 (Posts: 93; Member since: 28 Aug 2012)

There was so many qc problem and call quality was better after z2 but not best and camera picture was inferor than other smartphone. Also there was flying hovering touch which makes user irritating. when you see design and features it looks like very good handset, when you go inside it's just like it's not something consider to buy

posted on 05 Feb 2016, 14:30 1

38. suavemezie (Posts: 84; Member since: 21 Jun 2012)

Z3 is a crap of a phone

posted on 05 Feb 2016, 16:19 1

40. QWERTYphone (Posts: 654; Member since: 22 Sep 2014)

If true, 2 days makes the NON-removable battery easier to deal with.
But, having a removable battery REMAINS the BEST DESIGN.

posted on 05 Feb 2016, 20:22

50. TechieXP1969 (limited) (Posts: 10115; Member since: 25 Sep 2013)

No it is not a useful design. It was simply the norm. This is better.

You can swap a fresh battery but you aren't going to get 48 hours of usage unless you use maybe 3 or 4. Who is going to carry 4 full charge batteries around, unless you're travel on a transcontinental talk flight. Which you still.dont need because planes have a place to charge a phone.

If this is such a big deal to you, why are you constantly look at Samsung high-end phones which have left this feature behind?

It's like saying you hate doges, but you still go out and buy one. The Galaxy Saturday and Note are never going to have a removable battery...EVER AGAIN. Get the he'll over it already and .keep on to their line of phones that do or pick another brand. It's simply that easy.

You sound like a whining wife. Wah Wah wah.
Geezer dude give it up already.

posted on 06 Feb 2016, 00:19

56. tedkord (Posts: 11626; Member since: 17 Jun 2009)

That's not true. A 3000mah battery is going to get you roughly the same life whether it's removable or not. I fact, after a year or so of recharges, a new removable one is going to get you more life.

Removable is better. And, it seems like Samsung is listening to its users (microsd returning, bigger battery), maybe they'll listen to us on this.

posted on 06 Feb 2016, 02:24

57. TheNeighbor (Posts: 232; Member since: 15 Nov 2013)

Yes, it is very useful. I have recently started using double-capacity (6800mAh) batteries on my Note 3. I pretty much consume some 4 to 8 GB at times on LTE in a day. I can still get over 10 hours of SOT on 17.5 hours stretch with 6 GB torrent downloads.


I don't have to change or recharge before I go back home. No need to carry any charger/powerbank/extra battery/extra phone.

I can get probably 4 days with the same amount of SOT if I never download torrents and just for email checking, social media alerts, sms and phone calls. But I'd like to make full use of my unlimited LTE plan and not be bothered worrying about rubbing out of power.

posted on 05 Feb 2016, 12:12 5

2. MrElectrifyer (Posts: 2934; Member since: 21 Oct 2014)

Still only 4 hours and 32 minutes of screen on time during that 2 day period...not really ground-breaking considering what I've experienced:


posted on 05 Feb 2016, 12:16 7

6. TyrionLannister (unregistered)

You realise that WiFi and 4G are extremely different scenarios. And 75% brightness too.

Based on my personal experience and this screenshot, with Wifi, 30% brightness(my preference), this phone should easily break 6, if not 7 hour SoT.

Regarding achieving high battery life, this is what I was able to achieve with S6 on 5.0.2( it has decreased tremendously with 5.1.1):


posted on 05 Feb 2016, 12:31

13. MrElectrifyer (Posts: 2934; Member since: 21 Oct 2014)

That's very impressive SOT on Lollipop! Would probably be even longer when Marshmallow lands for the S6 with Doze. Here's hoping the S7 only improves on that.

posted on 05 Feb 2016, 13:02

18. TyrionLannister (unregistered)

That glory was short lived. Once 5.1.1 dropped, battery life tanked. Now it's hard to get past 5 hours SoT.

posted on 05 Feb 2016, 13:11

23. Supraman21 (Posts: 323; Member since: 09 Jun 2010)

What were you doing on your phone? The highest usage app was internet and that was only 3%. This doesn't make sense.

posted on 05 Feb 2016, 13:30

28. TyrionLannister (unregistered)

The percentage tracker on samsung lollipop is screwed up. I mostly surfed the Web, watched a movie and viewed a lot of YouTube.

It doesn't show the true percentage and the addition of all the usages add up to like 40-45% whereas they should be 100%. It's fixed in marshmallow but just ignore those percentages for now. They are obviously crap.

I give a perspective, I'm currently on 20%. So the usage stats after adding should add up to 80%. But they only show 19% usage. It's so bad it's unusable. If you want true battery stats, uI'll have to use GSMA monitor.

posted on 05 Feb 2016, 17:35

44. artixine (Posts: 21; Member since: 18 Nov 2015)

That's really impressive. How is it that you only have 3 items using the battery ?? When i check on my s6 there are always 8 to 10 apps or process eating my battery. If you have a few tips...?

posted on 05 Feb 2016, 22:14

55. TyrionLannister (unregistered)

No. There were a lot more if you scroll down.

Just disable wifi always on from wifi menu and disable samsung junk like samsung push and s health.

posted on 05 Feb 2016, 12:21

7. Nopers (Posts: 236; Member since: 01 Jun 2015)

That must be wrong. My iPhone 6s Plus can get about 9 hours screen on 36 screen off. I'm hoping it was intense usage like heavy gaming, I was really looking forward to getting an S7

posted on 05 Feb 2016, 12:23 13

10. TyrionLannister (unregistered)

You can't get screen-on time on iOS. That 'usage' thingy in battery section is just the time the phone was working. That includes sync and pulling notifications or playing music when screen is off too.

My iPad gets like 20-22 hours of 'usage' in battery section on a single charge. The real SoT is closer to 12-13 hours.

posted on 05 Feb 2016, 16:44 1

41. tedkord (Posts: 11626; Member since: 17 Jun 2009)

Nobody gets 9 hours screen on time on an iPhone.

posted on 05 Feb 2016, 17:35

45. srgonu (Posts: 251; Member since: 13 Feb 2012)

Buddy, we are talking here about phone which can multitask.

posted on 05 Feb 2016, 12:13

3. oozz009 (Posts: 520; Member since: 22 Jun 2015)

If that's true, then big Kuddos to Samsung. That's bound to be a feauture that will attract many users!

posted on 05 Feb 2016, 12:13 2

4. SamsungPhanboy (banned) (Posts: 765; Member since: 31 Mar 2015)

Way to go Samsung!

I just hope they fix touchwiz lag. Then I will for sure get one.

posted on 05 Feb 2016, 14:16 10

35. TerryTerius (Posts: 1780; Member since: 10 Apr 2014)

They did, last year. The only issue I ever encountered on the S6 for the time I had it was the rare keyboard slowness (pulling it up). Not that it really matters because any phone you ever get is going to occasionally stutter and have problems. I've never used an electronic device in my entire life that was completely without issue. Then again, I guess that depends on how you define lag. I don't consider something taking a millisecond longer to be an issue. That being said, I do hope they fix their ram management problems.

posted on 05 Feb 2016, 12:15

5. Unordinary (Posts: 1692; Member since: 04 Nov 2015)

Lmfao totally possible if you define "regular" use as not installing any third party apps, non fetch e-mail, SMS, UPSM 24/7 and make a one or two phone calls. Oh, did I say no 3rd party apps like IG, Snapchat, FB, etc? Lmao.

I'll believe it when I see it

posted on 05 Feb 2016, 12:22 4

8. DRS1977 (Posts: 431; Member since: 27 May 2015)

Who keeps their phone at 75% brightness, that would blind me. I keep my GS6 at about 30% and that is more than enough for me. I am really happy they have focused on battery life.

posted on 05 Feb 2016, 13:04

21. khalimany (Posts: 11; Member since: 29 Jan 2016)

yeah, same. the s6 screen is really bright and i rarely go beyond even 40% at any given time, so if i was the one using the s7 at around 40-50% brightness, i might even crack 7-8 hrs of SOT

posted on 05 Feb 2016, 12:26 1

11. dmomintz (Posts: 20; Member since: 21 Jan 2016)

I highly doubt it will be able to marathon the way my Galaxy S6 Active does, on a bad day I get a day and a half.

posted on 05 Feb 2016, 12:28

12. p51d007 (Posts: 234; Member since: 24 Nov 2013)

Yawn....I don't play 3d games, or games at all on my device, but 1500-2000 minutes/month on the phone, tons of photos, web, email, text, mp3's and my phone gets 2-3 days EASY. Of course it has a 4,050mAH battery, which helps. :)

posted on 05 Feb 2016, 13:04

20. vuyonc (Posts: 1014; Member since: 24 Feb 2014)

GS7 vs. the next high Xperia for me! Premium phone with at 10 hour SoT on acceptable brightness and moderate usage would be awesome. My brother's GS6's standby performance is terrible so hopefully Samsung has picked themselves up there too.

posted on 05 Feb 2016, 13:11 1

25. GreekGeek (Posts: 1276; Member since: 22 Mar 2014)

Once FACEBOOK and other battery guzzling Apps are installed, you know what's going to happen

posted on 05 Feb 2016, 13:27

27. tedkord (Posts: 11626; Member since: 17 Jun 2009)

If true, this is great, since I use my phone to watch video a LOT.

posted on 05 Feb 2016, 13:57

31. Scott93274 (Posts: 4605; Member since: 06 Aug 2013)

I can go maybe a day and a half with the Nexus 6P. It's nice to read that companies are working on battery life for their flagships. Lets just hope there's truth in this guy's tweets.

posted on 05 Feb 2016, 14:00

33. surethom (Posts: 673; Member since: 04 Mar 2009)

Once again not a true life test I bet.

I bet everything apart from the screen was off, wifi, date, & I bet the phone had no apps like Facebook that drain the battery. I guess the relevant world battery life will be more like 15 hours, if we are lucky.

posted on 05 Feb 2016, 14:19

36. TerryTerius (Posts: 1780; Member since: 10 Apr 2014)

In the real world, you get different battery life on different days depending on what you're doing. Reviewers don't even use their phones the same from site to site, which is why you get some reviewers claiming much longer battery life than others, or vice versa.

posted on 05 Feb 2016, 17:20 1

42. JMartin22 (Posts: 1969; Member since: 30 Apr 2013)

I think the S7 is definitely going to have better battery life than the S6 but let's not overhyped and disappoint ourselves with reasonably unrealistic claims that are still subjective to usage. I pump my phone on 100% brightness and usually am on LTE, so I get around 4 hours of on-screen time

posted on 05 Feb 2016, 18:42

46. dimas (Posts: 2124; Member since: 22 Jul 2014)

2 days battery life for a samsung flagship phone. This feature has been long overdue for expensive handsets, good thing samsung is now listening to the consumers.

posted on 05 Feb 2016, 20:32

51. TechieXP1969 (limited) (Posts: 10115; Member since: 25 Sep 2013)

What am I missing?
How is the SoT other 4.hours 1or so and yet I can watch a movie for 17 hours straight. When you watch a movie for 17 hours the screen is going to be on.

Watching a movie is more incentive than anything you will do one your phone other than making call and playing a top end game.

This is like saying, my car holds 20 Gallons of gas. That in get better mileage in the city stopping and going, than I would on on a wild open higheay.

Think aboutbthis. You car burns the ssame amount of gas whether you are on the road or city driving g. As long as you aren't trying to do 50mph to the next stop light. But because of all the stop, you simply aren't covering as much groind.

Watching a video is way more intensive seeing that your GPS is constantly rendering graphics while the CPU is handling other tasks.

If your car is on, it's burning gas whether you move it or not. Sure it won't burn as much sitting still, but it will burn.

Something isn't adding up.

posted on 05 Feb 2016, 22:06 1

53. benno (Posts: 94; Member since: 17 Apr 2015)

It doesn't add up because your assumptions are both wrong.

Your car does not use the same fuel city driving vs open road. I have no idea why you even mention this in relation to battery life on a phone. But whatever the reason you're wrong.

Also watching a movie on your phone is absolutely not the most intensive thing you can do with it. It's right about the lowest which is why you can get high numbers for movie playback.

posted on 05 Feb 2016, 21:03

52. ZanrZij (Posts: 5; Member since: 23 Nov 2013)

I can get 2 days with over 5h SOT with Note 5. So this result is not very good

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