Ask a question about Notebook Battery and AC Adapter Diagnostic Read Me

Alternative downloads

Battery Guru
FREE
rating

Menubar application that tracks laptop battery health.

Battery Guardian
FREE
rating

Keep your Mac battery healthy. A healthy battery is one that is regularly depleted and charged all the way back up.

Battery Report
rating

Battery Report creates detailed reports about your computer and any connected power sources.

Popular stories

See all
Mirror your iPhone's screen to your Mac

Mirror your iPhone's screen to your Mac

See photos, play games, create presentations, watch movies and access your content from your iPhone on a bigger screen.
Best macOS games to play if you're stuck at home

Best macOS games to play if you're stuck at home

Play these 5 games on your macOS laptop to kill time and have fun while you're stuck at home during self-isolation.
Photoshop Turns 30: New Features are Added to Mac and iPad

Photoshop Turns 30: New Features are Added to Mac and iPad

Photoshop has celebrated its 30th anniversary and Adobe congratulated its loyal users and added new features to Mac and iPad.
CES 2020: what should Apple fans expect?

CES 2020: what should Apple fans expect?

Apple took part in CES 2020 for the first time in decades. Read about the new priorities of this IT giant.