Ampere, a simple way to keep an eye on your phone’s charger/cable voltage

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Ampere by Braintrapp is one clever application for most Android devices (runs on any Android 4.0.3 and above handheld). Ampere measures and approximates how various chargers and USB cables act or work while charging the smartphone. Once plugged for charging, it requires about 10 seconds to display the measurements, whether it is charging or discharging.

Even if the readings aren’t always perfect (the app isn’t working with all the smartphones out there), it can relatively measure and tell you which charger/cable is good for your device.

Screenshot (564)

For instance:

“if your phone is not connected to a charger, you see the discharging current which is negative. If you connect a charger then the current what the charger gives will be used to supply your phone and the remaining power will be charged into the battery. If your phone consumes 300 mA without a charger connected (-300mA on the display), then a 500 mA charger will charge your battery maximum with 200 mA current (200mA on display).”

In some cases Ampere will show 0mA all the time. If that is the case for you, just go into the settings and check the option ‘Old measurement method‘. You can force the app with it to use the old measurement interface, if the Lollipop device has at least one.

Please note that the developer of Ampere warns about some handsets on which the app isnt working and it is not because of the app itself, but because of the software/firmware. For details check Ampere’s app description on Google Play store.

You can download Ampere at the Google Play store for free!

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