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General Charge time depending on cable

Discussion in 'Android Devices' started by richgm, Feb 14, 2015.

  1. richgm

    richgm Newbie
    Thread Starter

    Hi All,

    Since updating my N5 to Lollipop I've noticed a massive difference in the charge time depending which cable I use. I have a multitude of different cables and chargers but by experimenting I've found that charge time from a nearly flat battery can vary from under 2 hours to over 8 hours using the same charger and just swapping the cable. In fact the slower charging cables don't even keep up with the battery drain if I use my phone while it's charging.
    Has anyone else had the same sort of issues and found a solution or does anyone know which cables to by to get a fast charge rather than a slow one. Or if Lollipop 5.1 will fix this.

    Thanks

    Rich
     

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  2. psionandy

    Moderator

    Pretty sure that it comes down to physics at the end of the day... and the charging time is related to the amount of current thats pushed down the wire. So its unlikely to be fixed by software (unless they soft reset the universe)...

    ... as a general rule of thumb, thin cables tend to charge slower than thick ones, and of course some chargers are rated higher than others
     
    richgm and CodeDeveloper like this.
  3. richgm

    richgm Newbie
    Thread Starter

    I'm not saying there wasn't a difference before Lollipop but I used to be able to put my phone on charge at night and it would always be full in the morning. Now if I use the wrong cable its still charging when I get up to go to work so Lollipop most certainly has something to do with it.
     
  4. asalex040479

    asalex040479 Newbie

    As far as i know cable can "tell" charger about current requirements depending on connector pin-out.
     
    richgm likes this.
  5. mikedt

    mikedt 你好

    Yup, some manufacturer's chargers and their cables do have specific pin-outs or connections or protocols. If I use the Oppo charger and cable, can completely charge the Find 7 in an hour, otherwise it can be up to 8 hours, using another cable and/or charger. And if gaming, the drain is faster than what non-Oppo cables and charger can supply.
     
    richgm likes this.
  6. EarlyMon

    EarlyMon The PearlyMon
    VIP Member

    It's very likely that you have some processes running that you didn't before - and that's not to say that's OK.

    Try GSam Battery Monitor. Install, let it run an hour or two, then turn your screen off and don't use your phone - all on battery.

    Go to the graphs first, see if it's being held active with the screen off, then go to the listings - see what's been holding it awake.

    If you can't narrow it down, Helium Backup, factory data reset, restore the backup.
     
    richgm, codesplice and jj14x like this.
  7. jj14x

    jj14x Android Expert

    When you get up, and see that it is still charging, what is the charge level at? 95% or higher? And how long has it been at that level? (look at the graph at settings/battery)
     
    richgm likes this.
  8. richgm

    richgm Newbie
    Thread Starter

    Thanks for all the replies.

    EarlyMon, I'm already using GSam, Biggest AppSuckers are Android System (14.9%) and Kernal (6.9%)

    jj14x, its just a steady charge throughout the night. The problem being 7 hours on charge from a nearly flat battery isn't enough time with some cables.
     
  9. EarlyMon

    EarlyMon The PearlyMon
    VIP Member

    Not percentage - active with the screen off.
     
  10. richgm

    richgm Newbie
    Thread Starter

    I left the Phone over night and then took this screen shot first thing this morning. Hope its what you were on about.
     

    Attached Files:

  11. richgm

    richgm Newbie
    Thread Starter

    I've taken two screen shots of an overnight charge. Same charger just two different cables. As you can see it basically just trickle charges on the second one.
    Screenshot_2015-02-24-08-48-53.png Screenshot_2015-02-26-06-26-53.png
     
  12. EarlyMon

    EarlyMon The PearlyMon
    VIP Member

    This is what I'm on about -

    1424956511902.jpg

    Off charger, a sampling of time with screen on and screen off, showing how often the phone is held active.
     
    richgm and jj14x like this.
  13. jj14x

    jj14x Android Expert

    You are right - it almost looks like it is charging at USB rate, not at AC rate. The cable can make a noticeable difference in charging speed (from personal experience) :) It may be just a bad cable.

    But do what EarlyMon recommended - get that screen print to see if your phone is being held awake by a malfunctioning app
     
    richgm and EarlyMon like this.
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