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"BatteryLog" displays your battery usage in graph.

It acquires battery data upon launch and record log data in a timeline.

* Graph can be displayed both vertically and horizontally.

* You can send CSV converted log data by e-mail.

* When data is updated while charging, graph will be highlighted.

* Scale slider is available for zoom-in/zoom-out.

* Charging cycle (accumulated 100% counted as 1) shown in settings window. Note: Cycle counts are based on the log data acquired by BatteryLog.


1. "BatteryLog" is not capable of auto-updating. To get the latest data, you must launch application by yourself.

2. Note that all data is acquired in percentage. It is not actual voltage.

What's New in Version 1.5

Bug fixes

iPhone Screenshots

BatteryLog iPhone Screenshot 1
BatteryLog iPhone Screenshot 2
BatteryLog iPhone Screenshot 3
BatteryLog iPhone Screenshot 4
BatteryLog iPhone Screenshot 5

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Rated 0/5 based on 1 customer reviews.


0/5 stars

Need better iOS4 update

Please enable data log when app is in the background to take best advantage of ios4 multitasking capabilities.

Only manual data log is available.

Otherwise app works very good on iP4.
Just not very useful due to lack of automatic data log. It's much more easy for me to track the battery percentage which is in iP4 top bar from settings ... i. e. I am deleting from iPhone for now since I have much more efficient alternative. Enabling auto data logging will be awesome though.

Please update. Will change to 5 star if it can log from background.


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The information may be outdated (2017-03-06 16:30:40). For actual information go to iTunes

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