The application lies within System Tools, more precisely Battery Utilities. The actual developer of this software for Mac is José Antonio Jiménez Campos. Please check the Mac app with an antivirus before launch as it is downloaded from the developer's website, and we cannot ensure that it is safe.
From the developer:
Displays laptop battery charge and time-remaining. Show extended battery info in your menubar. With this App, you can get all necessary information about your MacBook battery.
It provides:
- Current battery status.
- Time left.
- Current and design capacities.
- Condition and cycles.
You may want to check out more software for Mac, such as My Batteries, Battery Monitor or Battery Status, which might be related to Battery Meter.
Network Tools
Battery Utilities