1. tonyvr4's Avatar
    After updating to Android M I noticed that my LG G3 will not stay charged when driving with GPS in google maps.

    I have a car charger and the phone used to charge regularly and stay at 100%. Now after updating to Marshmallow the phone will not stay fully charged and only gains a few percent charge

    I have not changed any settings that I am aware of.
    05-22-2016 10:26 AM
  2. Rukbat's Avatar
    GPS draws almost nothing - Maps is the culprit, it draws a lot when calling GPS for locations. Make sure you have a quick charger in the car (and use Ampere to see what kind of charge you're getting while Maps is running.)

    (As for changes, Maps probably "updated" - they're heading toward "useless" again.)
    05-22-2016 11:43 AM
  3. tonyvr4's Avatar
    I had Ampere on there but recently deleted it. I will put that back to monitor things

    Can you recommend a good quick car charger?
    05-22-2016 03:46 PM
  4. TWC42's Avatar
    Can you recommend a good quick car charger?
    Amazon is loaded with choices. Look for one with a 2 amp rating or higher. One with a USB port can be useful.
    http://www.amazon.com/iXCC-Charger-Q...cUvbUpU5191254
    aximtreo likes this.
    05-23-2016 03:48 AM
  5. tonyvr4's Avatar
    Fantastic. That charger looks great. I appreciate the tip on 2.0 amp or higher.
    I don't know what rating my current charger is. Will Ampere tell me the charging rate?

    Thanks again
    05-23-2016 09:14 AM
  6. tonyvr4's Avatar
    I was going to download Ampere but found a bunch with similar names and features. Can anyone point me to the right one?
    05-23-2016 09:17 AM
  7. Rukbat's Avatar
    Ampere for future reference. And your current charger should have a little block of about 1 point type, listing Input and Output among other lines. Find the Output line and look for the A or Amp or mA or milliamp rating (1,000 milliamps to an amp.)
    05-26-2016 12:07 AM
  8. tonyvr4's Avatar
    Thanks. I will download the app and give it a try
    I looked on my car charger and do not see the specs listed anywhere. I may have been on a tag, but that is not there now.
    05-26-2016 08:42 AM
  9. tonyvr4's Avatar
    I ran a little test today with the car charger and the Ampere app. I think something strange is going on with the charger. It was supposed to be a smart charger but I think it may be getting dumber.

    The phone was at about 97% when I plugged the charger in. Ampere showed about 4A charging. After 30 seconds, or so, the current went down to a little over 2A. But after driving for about 15min, Ampre showed about 68ma min and a little more as max.
    05-26-2016 12:52 PM
  10. me75006's Avatar
    I tried that App, after reading this thread. I use a wireless charging setup. The app behaved oddly, so erratic, I uninstalled it. Readings were higher than my usb charger is capable of, at times.
    05-26-2016 06:41 PM

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