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Battery loss while charging in car

Discussion in 'Android Devices' started by norwegian82, Dec 20, 2013.

  1. norwegian82

    norwegian82 Newbie
    Thread Starter

    I am charging my Note 3 with a USB car charger with 2A capacity. With BT and GPS on it actually looses battery percentage while charging. Even if I don't have any apps open. And I had the power save enabled.

    Is the charger not powerful enough or is there something draining my phone?
     



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  2. Digital Controller

    Digital Controller The Real Bass Creator

    Some chargers aren't necessarily made for the Note 3 or Samsung devices. This can be the issue if you are just using a regular car charger.

    Otherwise how good is the battery life with your device, maybe post some battery stats and we can see if your phone is behaving weird.
     
    norwegian82 likes this.
  3. Vigasan

    Vigasan Newbie

    Most phones are like that for me while charging using my car. I don't think the car sends out quite enough juice. Are you charging using a cigarette lighter or the usb socket in your car?

    I know most Samsung phones limit themselves to a half amp charge if it's through usb plugged into the computer, and only get the full amp when its AC. So many the phone things you're plugged in through a computer? Try using CurrentWidget to check how much juice it's getting.
     
    norwegian82 likes this.
  4. JimSmith94

    JimSmith94 Android Enthusiast

    Mine charges with both on. Make sure your charger and cable are really putting out 2 Amps. Try the Galaxy Charging app to see how many amps are getting to your phone: https://play.google.com/store/apps/details?id=com.abmantis.galaxychargingcurrent.free

    Mine shows 1200-1600 mA which is enough to charge it.
     
    norwegian82 likes this.
  5. norwegian82

    norwegian82 Newbie
    Thread Starter

    Charger app shows 1200.

    It is a cigarette lighter charger.

    Screenshot from battery stats is attached.
     

    Attached Files:

  6. jeeden

    jeeden Newbie

    It looks like it is charging in an AC profile (and not USB as mentioned above), but if it is doing AC, it should be a higher rate than that I think. Might not be enough juice from the car.

    Small car? Old car? Cold car? Maybe too hot and the phone is limiting it for overheating?
     
  7. norwegian82

    norwegian82 Newbie
    Thread Starter

    I have a 2007 Toyota Prius. It was never a problem with my Galaxy S4....
     
  8. ovrrdrive

    ovrrdrive Android Expert

    Are you using a USB 3.0 plug or a 2.0?

    The 3.0 will charge at a faster rate.
     
  9. norwegian82

    norwegian82 Newbie
    Thread Starter

    Idk. How can I tell?
     
  10. ovrrdrive

    ovrrdrive Android Expert

    Does it look like the charger that came in the box with the phone or is it the smaller plug you used with another phone?
     
  11. drexappeal

    drexappeal Extreme Android User

    If the charger app shows 1200, then I'm assuming that means 1200ma, which translates to 1.2A. That's not a 2A charger that you're using.

    I use this:

    Amazon.com: Scosche USBC202M Dual 10 Watt (2.1A) USB Car Charger works with iPhone 5, 5S and 5C: Cell Phones & Accessories

    Now, the one caveat I should mention is that, while running navigation, charge just holds idle. But without any apps running, charges fine...slow...but still good enough while in the car.
     
  12. norwegian82

    norwegian82 Newbie
    Thread Starter

    It's the micro-usb plug type that I used on Galaxy S4. I guess I'm using 2.0 then. I can try with the cable that came with my Note 3 :)
     
  13. norwegian82

    norwegian82 Newbie
    Thread Starter

    It says 2A on the charger. It has two USB ports and it says 1x2A or 2x1A.
     
  14. FBA

    FBA Newbie

    Not so...not at all. Charge rate on a USB 3 vs 2 is only affected by computers that actually have a USB 3.0 port. In your car, or using the wall charger, there is no such thing as USB 3.0. Cables rated at under USB 2.0 can slow things down however.
     
    BlueBiker likes this.
  15. drexappeal

    drexappeal Extreme Android User

    Are you charging any other devices at the same time?

    Still sounds to be like the charger isn't reaching 2a
     
  16. bonerp

    bonerp Android Expert

  17. Digital Controller

    Digital Controller The Real Bass Creator

    So true, another thing to keep in mind is that regardless of whether or not you use your standard Samsung charger that came with your device it will only make a different in charging if it's actually plugged into your computer to a USB 3.0 slot, that is in fact installed to be a USB 3.0, there is software that you typically need to install on your computer to activate them.
     
  18. norwegian82

    norwegian82 Newbie
    Thread Starter

    Tried charging with the original USB cable and now it works just fine :) I have 1.8A charging.
     
    BlueBiker, drexappeal and ovrrdrive like this.
  19. HokieDave

    HokieDave Lurker

    Hmm. That is pretty weird. I just use a cheap old AT&T charger in my car that says it is charging at around 800 Mah on my 2007 Prius and I get about a 2% increase in the charge every 10 minutes while keeping the screen using Waze (GPS App) and listening to an audio book via Audible. Perhaps your battery is defective?
     

Samsung Galaxy Note 3 Forum

The Samsung Galaxy Note 3 release date was September 2013. Features and Specs include a 5.7" inch screen, 13MP camera, 3GB RAM, Snapdragon 800 processor, and 3200mAh battery.

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