1. mdcraig's Avatar
    Just got my N4 a couple days ago. I've noticed that there is a lot of battery drain from voice calls. Far mare than my old galaxy s3. Anyone else have this issue?

    Excessive battery drain from voice calls-uploadfromtaptalk1364084055549.jpg
    Excessive battery drain from voice calls-uploadfromtaptalk1364084082544.jpg
    Sent from my Nexus 4 using Android Central Forums
    03-23-2013 08:14 PM
  2. wx27's Avatar
    How are you interpreting these screens?
    I see it as 54% of the battery has been used, of which 13% came from voice calls. So 7% of the total battery was drained by talking for just under 19 minutes. At that rate, you could use the phone for roughly 4.5hrs from 100% to zero.

    One thing that can affect battery use while on a call is how close to the cell tower you are and how much cell traffic there is at the time of the call. Farther distance or more congested cell = higher output by your phone to communicate to the tower.

    I was on a 3+hr call yesterday and my N4 still had over 50% battery left, so it seems where I'm placing calls uses less cell transmitting power than where you are. I'm also on a wired headset for calls with the screen off.
    scorpiodsu and mdcraig like this.
    03-23-2013 08:36 PM
  3. scorpiodsu's Avatar
    All your stats are saying is that the voice calls used more battery than everything but the screen. Doesn't mean it's draining on even excessive it's just the 2nd most used thing for you right now. You got 11hrs unplugged and you still have all that battery left. I personally don't see anything to complain about LOL.
    gone down south likes this.
    03-23-2013 09:18 PM
  4. mdcraig's Avatar
    That's exactly how I'm inspiring it. 4.5 hours is way below the reported 10-15 hours claimed of talk time.

    Sent from my Nexus 4 using Android Central Forums
    03-24-2013 12:47 PM
  5. mr_nobody's Avatar
    That's exactly how I'm inspiring it. 4.5 hours is way below the reported 10-15 hours claimed of talk time.

    Sent from my Nexus 4 using Android Central Forums
    You take manufacturer reported numbers literally?
    03-24-2013 01:54 PM
  6. mdcraig's Avatar
    No but I would expect better than a third of their promise.

    Sent from my Nexus 4 using Android Central Forums
    03-24-2013 03:23 PM
  7. mr_nobody's Avatar
    Well again (if) they say 10-15, then it's really 10 and that's under optimal (lab) conditions. I guess at minimum the following would apply to reach that number:

    1. You have a pristine cell signal always (ie: you are standing under the tower and never moving).
    2. Since you are making calls your screen is never on and in the brief moments it is for calling or answering, screen brightness is set to minimum.
    3. You are not using any mobile data or wifi for anything.
    4. All background services (sync, location, etc.) are disabled.

    Try it again under those conditions and see what you get...
    scorpiodsu likes this.
    03-24-2013 03:48 PM
  8. Xx-Shadow-xX's Avatar
    Well again (if) they say 10-15, then it's really 10 and that's under optimal (lab) conditions. I guess at minimum the following would apply to reach that number:

    1. You have a pristine cell signal always (ie: you are standing under the tower and never moving).
    2. Since you are making calls your screen is never on and in the brief moments it is for calling or answering, screen brightness is set to minimum.
    3. You are not using any mobile data or wifi for anything.
    4. All background services (sync, location, etc.) are disabled.

    Try it again under those conditions and see what you get...
    I have a cell tower in my backyard and I'll be the first to tell you that nobody can ever operate in pristine conditions because even if you stand under the tower you will not connect to it. You must be a mile or so away at least to connect to it. Otherwise your phone is connecting to an even further tower.
    True conditions to test the battery of your phone are:
    Do you have decent cell signal?
    Have you factory reset your phone to remove all downloads?
    Is the normal daily use conditions set? (Medium brightness, data on, wifi off, airplane mode off, etc)
    Fully deplete your battery and fully recharge without use. Do this twice and after the second full charge use your phone as normal (don't download your apps back for this, you will not get accurate data on your battery at factory settings) and also make sure you disconnect your charger promptly once your phone charges to 100%. After you have charged your phone fully the second time, use your phone to make phone calls and count how long your battery lasts. In these conditions I would guess that you get about 8 hours of battery. I believe that the marketed reports are raised a bit beyond what the labs suggest when tested with barely any use.

    I began reading this forum because my voice calls default app uses 79% of my battery. I have a new Huawei P8 lite. The battery on this phone could be stronger but the phone comes with amazing battery saving software I wish other phones had. However, 79% is still excessive battery drain at the end of the day. Maybe somebody will answer the issue on this forum in the far future when phones rely on our body heat as power.

    -Shadow
    10-20-2016 11:32 PM

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