Battery Hero

The "40/80" Rule made easy. Battery Hero tells you when to start and stop charging your laptop using the 40/80 Rule. Keep your MacBook in tip top shape. The 40/80 Rule: The latest research reveals that keeping your battery between 40% and 80% is the best way to keep it at its healthiest: http://www.wired.com/gadgetlab/2013/09/laptop-battery/ Features: * Lightweight * Snooze notifications * Always have plenty of charge * Improves overall battery health