My Battery at Mac App Store analyse

You could track your battery in real-time, or view historical logs with My Battery. Visualize your MacBooks power system with an animated dashboard view. Supported Devices: MacBook, MacBook Air, MacBook Pro. Features • Shows how much charge your battery can hold • Shows how much capacity your battery has lost over time • Shows whether your laptops GPU (graphics card) is powered on • Current voltage, charge, and amperage • Battery temperature reading • Star rating for overall battery health • Draw/charge rate shown in watts or amps • Battery dump shows complete raw data from your systems power manager • Historical event log