11-03-2019 07:03 PM
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  1. zkyevolved's Avatar
    I've discovered something ... interesting... Sleep doesn't 100% sleep! Depending on the number of applications / windows you have open, the more battery drain during sleep. Yesterday I left the office at 9:30pm, and it slept for 2 hours, and then went into hibernate. I saw it discharged 3% each hour instead of the 1.5% I get with most everything closed... I had an office document open, onenote, 3 tabs in chrome, and a few other applications loaded up. I just thought this was interesting ...
    12-01-2015 02:54 AM
  2. ttsoldier's Avatar
    I've discovered something ... interesting... Sleep doesn't 100% sleep! Depending on the number of applications / windows you have open, the more battery drain during sleep. Yesterday I left the office at 9:30pm, and it slept for 2 hours, and then went into hibernate. I saw it discharged 3% each hour instead of the 1.5% I get with most everything closed... I had an office document open, onenote, 3 tabs in chrome, and a few other applications loaded up. I just thought this was interesting ...
    That's because it's not really sleeping. It's more like it's on with the screen off.

    It is in "connected standby" mode or "instant go" , or whatever they are calling it.

    I have disabled this mode completely and use hibernate only. It takes like what, 5-10 seconds to wake up from hibernate? Ya, i can live with that.
    12-01-2015 07:19 PM
  3. zkyevolved's Avatar
    That's because it's not really sleeping. It's more like it's on with the screen off.

    It is in "connected standby" mode or "instant go" , or whatever they are calling it.

    I have disabled this mode completely and use hibernate only. It takes like what, 5-10 seconds to wake up from hibernate? Ya, i can live with that.
    Yes. But I don't want connected standby. I want sleep. Like my surface pro 2 did. I got days and days from it. Also, depending on how often you hibernate your device, you could be running down your SSD in a matter of months or short years.
    If you have the 4GB model, and hibernate 6 times a day, let's assume. That's 4GB x 6 = 24GB a DAY! x 6 days a week (one day to relax your device), 144GB a week! x 4 weeks a month = 576GB, that's over HALF A TB a month JUST for hibernating! This is not practical. I put my device to "sleep" about 4 times a day, and I need sleep mode. If you're writing 1/2 a TB a month extra, you'll wear out that SSD within 1-2 years... In 2 years that's 12TB just from hibernating, not from usage or downloading or changing files... Only from hibernating.
    Last edited by zkyevolved; 12-02-2015 at 12:37 AM.
    12-02-2015 12:23 AM
  4. Gonzax's Avatar
    I disabled "connected standby", it is the only way to really shut down the Surface, otherwise the battery drain was unacceptable and as someone said before it takes just a few seconds to start up, I can certainly live with that.
    As for sleep mode, in my opinion it is still a problem, it should not lose that much battery, MS should look into that.
    12-02-2015 01:51 AM
  5. dkp23's Avatar
    So those that will update to the intel drivers from sept, be aware this will result in having the website dis colorization again, when scrolling it could change to white to a yellowish tint for some sites.

    Not sure if it improve my battery life on standby, will check later when i get home, i put it in sleep yesterday at around 645pm with 72%, lets see when i get home after 24 hours.
    12-02-2015 01:21 PM
  6. zkyevolved's Avatar
    On the Answers forum, they said today they're releasing a new update! Hopefully this update will resolve any battery issues, too! Woohoo!!!
    12-02-2015 02:16 PM
  7. dkp23's Avatar
    On the Answers forum, they said today they're releasing a new update! Hopefully this update will resolve any battery issues, too! Woohoo!!!
    front page article only states the display crash bug, but hopefully it fixes the battery which i would lean towards the answer "it will not".
    12-02-2015 03:50 PM
  8. zkyevolved's Avatar
    front page article only states the display crash bug, but hopefully it fixes the battery which i would lean towards the answer "it will not".
    I understand that, but.... The different releases of the driver has changed how much my device drains! It could be a secondary effects
    12-02-2015 03:56 PM
  9. hbelton's Avatar
    Applied to days SP4 updates from today and my performance has gotten worse. The fan runs almost constantly for no reason. After only a couple hours use I'm down to 50% battery. Quite disappointing. also tried the Intel drivers but they introduced the screen flicker issue. Where's receipt?
    12-02-2015 11:00 PM
  10. dkbaj's Avatar
    Hi everyone..

    Just my little rant to get it out of my system ...

    After the announcement of the SP4 and SB from Microsoft it reignited my interest in Microsoft and Windows as a personal device. Several years ago I moved across exclusively with Apple for personal devices. As for work it was still good old MS Office and I wouldn't have it any other way.. (Can't live without those Pivot Tables lol).

    Over the weekend there was a really good deal on the SP4 and I had been eyeing them for about 2 weeks after several colleagues picking them up. I had my mind set and picked one up.. with so much excitement I opened it and it is one bloody sexy thing. I mean when a lot of used to look at the iPhone or iPad it was great and all but the Surface is really great design. The screen.. Amazing.. the type cover surprisingly better than most laptops.. the pen... even the additional USB port on the AC adapter is a great touch. I was amazed in every aspect.. but .....

    then I remembered why I enjoyed using OSX so much ... I haven't encountered the BSOD for a very long time.. we're talking about years .. even my current Dell work laptop has been a workhorse for me with 20 tabs open .. excel .. powerpoint.. outlook windows all over the place and still .. not one crash I can recall. I have encountered it twice... the SP4 has froze on several occasions but worst of all is the battery life.

    I would be happy if it even made it to 4 hours... it's averaging about 3:50 hours.This is with Chrome 5~ tabs and only Outlook open. I was really looking forward to getting a portable device that had battery life that would at least give me a day of work..

    Even after I turn off Hello, adjust the sleep settings to hibernate, turn off all background apps and bluetooth it still manages about the 4 hours. I have looked at the Sleep and Power reports and there is nothing that stands out.. so the next question is whether I have encountered a dud...

    Is there anyway to check whether the battery is faulty?
    12-03-2015 12:00 AM
  11. stnm's Avatar
    It s the same for me. 4 hours max using just edge (3 - 5 tabs) and outlook. Display is set to 38%.
    With others reporting 6 -7 hours i started to think i got a faulty device.
    12-03-2015 05:15 AM
  12. WildKarrde's Avatar
    Win Key/cmd/enter

    powercfg /batteryreport
    12-03-2015 08:07 AM
  13. ryland Johnson's Avatar
    .......
    Last edited by ryland Johnson; 01-02-2016 at 11:46 AM.
    12-03-2015 08:32 AM
  14. Lon Z's Avatar
    I know nothing about computers... How do I change my CPU to 50 percent if that helps with the battery? And how do I set it to max battery graphics?

    I basically use three applications - Word, Edge (for reading and sometimes videos), and a screenwriting app. I just want this thing to last more than five hours and not sound like a spaceship ready to blast off.

    I like this thing when it works, and I'm super lazy so don't want to return it... But for the stuff I need it for, would I have just been better off with an iPad Pro?
    12-03-2015 02:42 PM
  15. dkp23's Avatar
    So after reverting back to intel driver from sept, i left sp4 in sleep and in about 30 hours it drained 11 %, better i guess.

    Will update to new drivers that came out yesterday and see what happens.

    In the end, i think the battery is going to suck regardless. Once in use, there is not stopping the rapid decline in battery %.

    The sp3 when it had win 8.1 had great battery life, once i updated that to win 10, the battery life is similar to my experience with the sp4 after replacing it. My guess is, the battery life is what it is out of the box If you want more battery life, you will probably have to tweak the hell out of this thing.
    12-03-2015 03:52 PM
  16. abivaanenopi's Avatar
    Do you think there will be and update for batterylife issues? Lets hope so...
    12-03-2015 04:19 PM
  17. zkyevolved's Avatar
    Do you think there will be and update for batterylife issues? Lets hope so...
    Joe from MS responded and said that they're well aware of it, and didn't have time to implement the same sleep as the SP2 / 3 in time before release. They said that in early 2016 they'll have the fix for it. So I'm going to trust them a little bit longer. I love my Sp4, it's gorgeous and has awesome specs and, honestly, it's my perfect device IF they can fix that battery drain issue! So... I'm going to give them a few months and let's see :). Until then, I'm just going to hibernate. If my SSD begins to die or something like that (highly unlikely) I'll just RMA the little thing. That's why I got the MS complete! Right?
    12-03-2015 04:27 PM
  18. ioaniro's Avatar
    There's hope:
    @ Kent, Yes, The 'standby' battery life is an issue we are working on and have been working on. We can put the processor into a deeper sleep state than it is currently set to. We couldn't do it at RTM for a variety of reasons, power management is a very hard computer science problem to solve especially with new silicon. Currently it is not in the deepest "sleep" that it can be so there are wake events that would not otherwise wake it. We will have an update for this issue sometime soon in the new year.

    One of the ways that you can improve the situation right away is to make sure you don't have web sites open that are actively streaming when you close cover of go put the device to sleep. Especially if you have a website open that uses sound. This will keep the PLM service running.



    To make it really sip power like your pro 2 did. Pro 2 did not have Connected Standby. It went straight to hibernate or S4. To do this on your book or Pro4 you can make that happen.

    To do this have the device go to Hibernate (deeper sleep and not listening) instead of "Sleep" (always on or connected Standby) I hope the picture is clear enough.

    http://answers.microsoft.com/en-us/s...e018b1?page=33

    Slowly...
    12-03-2015 05:15 PM
  19. raoul3650's Avatar
    Patient guys...the Intel 6th Gen chip is very new in the market and I believe the Surface team at Microsoft is currently working to fine tune it.
    Hopefully they can fix it within this 2-3 month time.
    12-03-2015 08:11 PM
  20. dkp23's Avatar
    Just updated the intel drivers and took less than 2 minutes for the display error to pop up again.
    12-03-2015 08:57 PM
  21. Hannover Fist's Avatar
    Here's a tip to prolong the battery on your Surface 4.

    (This is only for people who wants the longest battery life, sacrificing a little speed)
    I have tested this on my SP4 i5.

    Firstly, create a power profile to turn your i5 into a fanless M3:

    Use the registry hack and create a new power profile, called it 'fanless' or 'max battery life' or 'M3' or whatever you want. Instead of setting the GPU to max performance, set it to max battery life. Under the CPU setting, set the max performance to 50% (this will make the i5 runs at 1.2 ghz). Also, set the min performance to 1%. Make sure that the cooling setting is set to 'passive'.

    Second step, go to setting-privacy-background apps: turn everything off.

    Third step: turn on battery saver.

    This will get your SP4 to last the entire day, you won't even notice the speed difference unless you are playing full-fledge PC games. Plus, you can switch to a fanless profile whenever you want.
    Great suggestion!!

    How long does your i5 last on these settings?
    12-28-2015 03:54 PM
  22. freetail's Avatar
    It's terrible! Even with the screen set to darkest I barely get enough juice to watch a single film (movie). Better battery was one of these reasons I chose to upgrade from SP3 but beginning to think it wasn't worth it. Also still overheats and crashes as a result - especially in video playback. I have top of the range i7 with 512GB drive and 16GB RAM. Sad sad sad
    01-27-2016 04:07 AM
  23. freetail's Avatar
    Great suggestion!!

    How long does your i5 last on these settings?
    Well I've tried this - set new Battery Saver Plan, and set everything as you suggested. I'm now getting an estimated anywhere from 3.25hrs to 5hrs mins from 80% battery (it seems to change every time I go to the task bar), so that's somewhere between 4hrs and 6.25hrs total from 100% with battery saver turned on?! I've turned off all background apps and stopped any backup software (OneDrive, LiveDrive, etc). The only thing open right now is this web page (one tab). Pretty pants for a machine that costs a small fortune (i7, 16GB RAM, 512GB drive). Feel hugely let down by MS this time around. SP3 seemed like the better bet after all (with a new keyboard attached).

    Any other suggestions / fixed welcome... (especially from MS).
    01-27-2016 06:40 AM
  24. Grimmric's Avatar
    It's terrible! Even with the screen set to darkest I barely get enough juice to watch a single film (movie). Better battery was one of these reasons I chose to upgrade from SP3 but beginning to think it wasn't worth it. Also still overheats and crashes as a result - especially in video playback. I have top of the range i7 with 512GB drive and 16GB RAM. Sad sad sad
    Something must be wrong.
    I have the i5/8/256 and i put a movie in a loop to see how long it would run.
    With a 50% brightness and no special power plan i got about 8.5 hours of movie watching.
    01-27-2016 06:40 AM
  25. andrewstuart's Avatar
    Clunk! Crash, bang and wallop ! Not a cat in hells chance of attain those claims. Lucky if I get three hours from web browsing , movie watching. And yes I have it turned up to the max because that's why I bought it, performance and quality. Have we had the wool pulled over our eyes! Come on guys here's your chance to shine and be a leader, but the battery stats or poor. I moved from Mac, Android and Garmin on a wing and prayer and some fine marketing. Don't let me down, please.
    02-26-2016 12:13 AM
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