[App] Battery Monitor Widget

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The most complete tool to manage your battery: Shows historical data (%, mA, mW, mV and temperature), calculates estimated run-times and battery aging, helps calibrate battery and improve your battery run-time.

NOT all phones report accurate mA - Check app web-site for more information for your phone

Measures real battery capacity using historical data!

Display all information using great looking graphics, fully scrollable and zoomable.

Use additional packages to show great looking icons in notification bar

Display historical graphics or battery data on your home screen using widgets of various sizes!

Triggers alarm based on battery data (voltage and temperature limits)

Manually resets battery calibration/statistics on rooted phone

Support Motorola Defy/Atrix 1% reporting

Online help accessible from settings

Export data to System Tuner Pro to analyze which process is responsible for battery drain!


Lowest battery consumption on the market! Disable history/graphics for even lower consumption! Check web-site for app consumption and supported phones.


Many thanks for the translation to
Max Peng - Chinese
Zuecho - German
Gabriele, Roberto & Raffaele - Italian
Rontgen - Japanese
서용석 (Dio Seo) - Korean
Ignacio - Spanish
ToddeSwe - Swedish
Ricardo - Protuguese
Lukas - Czech


Available on Android Market

Battery Monitor Widget


Battery Monitor Widget Pro


System Tuner


System Tuner Pro

Battery Consumption

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Here is some screenshots to show how much CPU (battery) the app is consuming!

cpu_freq: shows CPU frequency over time, mostly 245MHz, and as everything will be slower this obviously increase CPU times

It also shows BMW used 10.94 seconds on a 6 hours time-frame, eg 0.05% overall consumption... @245Mhz!

charging: compares charging (actually full battery) and non-charging time, obviously BMW consumes more when phone is fully charged and plugged, something to improve

Confirms the 0.05% overall consumption (1.22% * 4.15%)

sleep_mode: phone sleeping, screen off... 0.018% consumption! though the 2 peaks are strange, not sure I switched on the phone or not... Recording phone state will be very usefull

It does not read the current on a Samsung Fascinate.
Is it only for Motorola?

Originally Posted by worwig

It does not read the current on a Samsung Fascinate.
Is it only for Motorola?

As far as I know it works for all HTC and Motorola, but it seems most Samsung phones don't get current data at all when based on stock ROM.

My wife has a Samsung S and it gets only estimated values, you're getting the same?

If you get a steady 0mA, there might be hopes, as it means the app found a file that should contain the data but it's either empty or not populated with expected data.

If so let me know and if you have some time to investigate we might find a solution.

Originally Posted by ccounotte

As far as I know it works for all HTC and Motorola, but it seems most Samsung phones don't get current data at all when based on stock ROM.

My wife has a Samsung S and it gets only estimated values, you're getting the same?

If you get a steady 0mA, there might be hopes, as it means the app found a file that should contain the data but it's either empty or not populated with expected data.

If so let me know and if you have some time to investigate we might find a solution.

It is always 0. But I found out later in the day it does go to about 162ma when plugged in. Then back to 0 when un plugged.

Let me know how I can help.

Hi dude.
Yesterday I bought BMW Pro from the Market. I really liked the free version, so I decided you deserved some bucks
However, I have a problem with graph widgets: they "die" after a while!
Let me explain this better: I use 2 graph widgets (one for available% and one for mA), but they stop updating after some time. In addition, when I click on them (therefore going to the main app), I don't have "Widget Preferences" under settings anymore for that specific widget!
I use even a third widget, the "standard" one, but this fortunately keeps on updating and giving me access to "Widget Preferences" in settings.
My device is HTC Desire, running a Desire Z (G2) ROM port, therefore using latest 2.2.1 Sense UI (1.72 WWE base, just for info). I really don't think it's ROM or device related, however.
Maybe you could look into this to find where's the problem?
Thanks in advance.

This looks and sounds like a really cool battery widget. The only thing missing seems to be an estimation of how much time is remaining on the battery. Izkata (from this forum) creator of Battery Diviner has developed some algorithms used in monitoring and thus estimating how much time is left on your battery. Here is a link to his thread:
http://forum.xda-developers.com/show...11#post9490211

It would be awesome if the two of you could get together and produce a combined app that utilized your graphics and low cpu overhead with his algorithms.

On Motorola Defy I only get estimated mA. Does this mean this phone is not supported ?

Originally Posted by toogoody

On Motorola Defy I only get estimated mA. Does this mean this phone is not supported ?

Getting only estimates means no known system files have been found by the app... So your phone is not supported (hopefully yet) Please read post #2 for a way to help get your phone supported if possible

Originally Posted by worwig

It is always 0. But I found out later in the day it does go to about 162ma when plugged in. Then back to 0 when un plugged.
Let me know how I can help.

Do you get anything but 162mA during charge (on AC and USB) ?

When 0 is reported that usually means the app found a known file to report the mA, but there might be other kown file present in your phone that would contain the actual data... Every manufacturer seem to use different battery driver reporting data in different files!

Please use post #2 to start investigating and looking at those systems files content.

Originally Posted by grooltor

Hi dude.
Yesterday I bought BMW Pro from the Market. I really liked the free version, so I decided you deserved some bucks
However, I have a problem with graph widgets: they "die" after a while!

This will be solved in an upcoming update later this evening, as the code as changed quite a lot to improve memory/cpu usage, it actually broke the update flow of the graphic widgets.

Thanks for your support!

Originally Posted by dsMA

This looks and sounds like a really cool battery widget. The only thing missing seems to be an estimation of how much time is remaining on the battery. Izkata (from this forum) creator of Battery Diviner has developed some algorithms used in monitoring and thus estimating how much time is left on your battery. Here is a link to his thread:
http://forum.xda-developers.com/show...11#post9490211

It would be awesome if the two of you could get together and produce a combined app that utilized your graphics and low cpu overhead with his algorithms.

Will indeed be a great idea...

Though I'd like to improve some areas first but those are quite toughs:
- better mA estimates for phone without data
- investigating phones without mA data
- further lowering cpu overhead

I am happy to hear that you thought my idea of a combined app was a good one.

Just after I posted my previous comment in your thread I went over to his and made a very similar posting. His response to me was that he would prefer to keep the apps separate so that each of you can concentrate on what you know how to do best, but came up with this very interesting alternative idea that I am very support of:

Originally Posted by Izkata

EDIT: There might be a way for ccounotte's app and mine to "talk" to each other, probably through intents, so we can each do what we do best, without creating a collaborated app. For example, the Battery Monitor Widget can request current prediction information, which the Battery Diviner would calculate and return, then ccounotte can display it to the user.

Again let me say that this idea sounds really awesome. idk if you have pmed him but I would highly encourage you to do so so.