Ampere

By Braintrapp

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Did you ever felt, that one Charger/USB cable set costs your device actually quick and the opposite not? Now, you presumably can prove this with Ampere.

Measure the charging and discharging current of your battery.

PRO features:

- Widgets

- Notification

- Alerts on system

- Alerts on Android Wear

Not each gadget is supported as a end result of there are gadgets which lacks an appropriate measurement chip (or the interface) and so they can not be supported in any respect. Please read the record of not supported telephones on the finish of the description.

The app isn't meant to be mA correct. It is only good for consider which Charger/USB cable combo is working the most effective for you on the identical system.

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Please learn also the FAQ: http://goo.gl/R8XgXX

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Start the app and wait ca. 10 seconds (measuring is on the display). After this time, the charging or discharging current shall be proven.

The current depends on many things:

- Charger (USB/AC/Wireless)

- USB cable

- Phone type

- Current duties running

- Display brightness

- WiFi state

- GPS state

Please don't use the readings on this app as concrete science. However, the readings are ok to comparatively measure how various chargers and USB cables honest on the same system.

If the app shows 0mA all the time, please use the settings choice Old measurement method. You can force the app with it to use the previous measurement interface, if the Lollipop gadget has a minimum of one.

Unfortunately some Samsung gadgets do not give right (measured) values (e.g.: S5), just the maximum potential charging present with the actual USB cable/charger configuration. This is a firmware drawback.

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Background information: The app measures the charging/discharging present of the battery. If your cellphone just isn't linked to a charger, you see the discharging present which is adverse. If you connect a charger then the present what the charger gives might be used to provide your telephone and the remaining energy might be charged into the battery.

If your telephone consumes 300 mA with no charger related (-300mA on the display), then a 500 mA charger will charge your battery most with 200 mA present (200mA on display).

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Technical data: The displayed present is a mean worth from 50 measurements minus the 10 higher values and the 10 decrease values. The displayed present can be shaky or unstable or even zero which means, that the Android system supplies unstable values. Every company makes use of completely different battery types and other hardware making it troublesome to get accurate results about your charger.

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LiPo batteries don't draw the maximum for the full time it takes to charge the cellphone. If your battery is charged virtually full then the charging present shall be a lot less as by decrease battery ranges.

- A graph explaining LiPo cost stages: http://batteryuniversity.com/_img/content/ion1.jpg

- Dave's (EEVBlog) LiPo Charging Tutorial: http://youtu.be/A6mKd5_-abk

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Phones/ROMS appropriate only with Old measurement method switched on and chosen the best Measurement interface:

➤ HTC One M7 / M8

➤ LG G3

Phones/ROMS reported to be not working with this app:

➤ Galaxy Grand Prime - fortuna3gdtv

➤ Galaxy Note2 - t03g, t03gchn, t03gchnduos, t03gcmcc, t03gctc, t03gcuduos

➤ Galaxy S3 - d2att, d2spr, d2vmu

➤ Galaxy Tab4 7.0 - degas3g

➤ HTC Desire 510 - htc_a11ul8x26

➤ HTC One S (ville), X (endeavoru), XL (evita)

➤ HTC Sensation 4G - pyramid

Please do not give mistaken rating, in case your phone is probably considered one of the above. Not the app is incorrect, but your telephone doesn't help this sort of measurement yet.

If the app doesn't work in your device with pre-Lollipop Android version, then please learn the first and the second posts on this XDA developer discussion board thread: http://goo.gl/pZqJg8 . Please post your downside with screenshots within the XDA thread.

Please learn additionally the FAQ: http://goo.gl/R8XgXX

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