Ampere v 3.04 final [Pro]
Summary: With one set of charger / USB cable, the other? Well, I can prove this with ampere.
Measure the battery charge current and discharge current.
– Device alert
– Alerts for Android Wear
This application will work on Android 4.0.3 and later terminals. Not all devices are supported, as there are no suitable measurement chips (or interfaces) and some devices can not be supported at all. Please read the list of unsupported phones at the end of the description.
This application is not intended for accuracy of mA. It helps to evaluate whether the charger / USB cable combo is performing optimally on the same device.
Frequently Asked Questions: http://goo.gl/R8XgXX
Launch the application and wait for ca. 10 seconds ("Measuring" is displayed on the display). After this time, the charging current or discharging current is displayed.
Currently it depends on a lot of things:
– Charger (USB / AC / Wireless)
– USB cable
– Telephone type
– Currently running task
– Display brightness
– WiFi state
– GPS status
Please do not use this app's reading as a specific science. However, this measurement is sufficient to measure how relatively different chargers and USB cables are being measured fairly on the same device.
When the application always displays 0 mA, please use the setting option "old measurement method". If your Lollipop device has at least one device, you can force the application to use the old measurement interface.
Unfortunately, some Samsung devices do not have accurate (measured) values and only have the maximum charging current possible with actual USB cable charger settings. This is a firmware problem.
Background information: This application measures the charge / discharge current of the battery. If your phone is not connected to the charger, a negative discharge current will be displayed. When the charger is connected, the charger current is used and the remaining power is charged in the battery.
When the phone consumes 300 mA with the charger disconnected, the 500 mA charger will charge up to 200 mA of current (200 mA of display).
Technical information: The displayed current is the value obtained by subtracting 10 upper limit values and 10 lower limit values from the average value of 50 measurement values. The displayed current may be unstable, unstable, or even zero. This means that the Android system provides unstable values. Because every company uses different battery types and other hardware, it is difficult to obtain accurate charger results.
LiPo batteries do not charge over time to charge mobile phones. If the battery is nearly fully charged, the lower the battery current, the bigger the charge current will decrease.
– Graph illustrating LiPo charge phase: http://batteryuniversity.com/_img/content/ion1.jpg
– Dave (EEVBlog) LiPo Charging Tutorial: http: // youtu . be / A 6 mK d 5 – abk 
Phone / ROMS compatible with "Old measurement method" is enabled and the correct "Measurement interface" was selected:
➤ HTC One M7 / M8
➤ LG G3
Mobile phone / ROMS reported not working with this application:
➤ Galaxy Grand Prime – fortuna 3 gdtv
➤ Galaxy Note 2 – t 03 g, t 03 gchn, t 03 gchnduos, t 03 g cmcc, t 03 gctc, t 03 g cuduos
➤ Galaxy S3 – d2att, d2spr, d2vmu
➤ Galaxy Tab 4 7.0 – degas 3 g
➤ HTC Desire 510 – htc_a 11 ulu 8 x 26
➤ HTC One S (ville), X (endeavoru), XL (evita)
➤ HTC Sensation 4 G – pyramid
Please do not make a mistake if your phone is one of the above. The app is not wrong, but your cell phone does not support this type of measurement yet.
If your app does not work on your device with Lollipop's Android version or earlier, please read the first and second articles of this XDA Developer Forum thread: http://goo.gl/pZqJg8 . Post the screenshot problem to the XDA thread.
v 3.04 
* Addition of AdMob consent (GDPR)
* Language update
* Bug fixes and minor enhancements
Ampere FAQ: http://goo.gl/R8XgXX
For more information, please see the change history: Settings => About Ampere => Change history
Note: Clear the amp application cache if the amp stops at "Measuring" state (after upgrading the firmware to Android 7.x).
1.) "Android setting application" => "app" => open "ampere"
2.) [ストレージ] Delete all data in the menu
3.) Restart the ampere
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