Download of Low Battery Saver 1.0.1 for Mac was available from the developer's website when we last checked. We cannot confirm if there is a free download of this app available. We recommend checking the downloaded files with any free antivirus. The software lies within System Tools, more precisely Battery Utilities. This software for Mac OS X was originally created by Worcester.
From the developer:
Never lose time and work again because your MacBook battery died! Even if you avoid losing work just a few times, Low Battery Saver is worth getting.
Low Battery Saver will safely sleep your MacBook before it runs out of battery. It offers a range of options for notifying you that your battery is running low and taking action.
You may want to check out more Mac applications, such as My Batteries, Spirex.saver or Battery Amperage, which might be related to Low Battery Saver.
HDD Management
Battery Utilities