The 1.1.1 version of DrBattery for Mac was available to download on the developer's website when we last checked. We cannot confirm if there is a free download of this app available. DrBattery for Mac lies within System Tools, more precisely Battery Utilities. The actual developer of this free Mac application is Trend Micro, Inc. 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:
Dr. Battery is an application that helps you easily access and monitor all detailed battery information from your menu bar. Therefore, you will know about the current charge level, the battery capacity, the power usage, the number of times it has been charged and much more. The 'Tips' section will show you useful ways to improve the life of your MacBook's battery.
You may want to check out more software for Mac, such as Low Battery Saver, BatteryTruth or Wattagio, which might be similar to DrBattery.