1. osbock's Avatar
    A friend gave me his Droid 4 which had a balooned battery. I ordered a replacement, and it displayed a question mark on the battery. I tried charging overnight,
    and it wouldn't turn on.
    I checked the battery and it was dead dead 0.1v.

    Plugging the phone usb port into a charger, I checked the voltage between the battery terminals.
    With the phone terminals at the bottom, the bottom left screw appears to be connected to ground (and the shields for all the modules on the PCB.
    measuring between that and the next spring terminal I get 2.7 V, and between screws, 2.7 V
    I'm pretty sure the battery is a standard 3.7V lipo, so this wouldn't be enough to charge it, unless there's some way the battery is actively involved in the circuit and the actual voltage goes up when a battery is attached.

    I'd like to confirm that the charging circuitry is ok before I risk ruining another battery.
    02-17-2014 01:47 PM

Similar Threads

  1. Replies: 33
    Last Post: 07-07-2015, 02:21 PM
  2. My HTC is stuck on old OS
    By fyrbry in forum AT&T HTC One
    Replies: 10
    Last Post: 02-27-2014, 12:06 PM
  3. Thoughts on GEL? Better than [fill in blank] Launcher?
    By paintdrinkingpete in forum Google Nexus 5
    Replies: 18
    Last Post: 02-21-2014, 01:47 PM
  4. iOS apps on Android?
    By nimra in forum Samsung Galaxy Note 3
    Replies: 8
    Last Post: 02-18-2014, 05:11 AM
  5. [FREE][GAME] Word Search game on Android
    By fredkloport in forum Developer Spotlight
    Replies: 1
    Last Post: 02-17-2014, 09:25 AM