macOS · Menu bar · Homebrew install
Step-by-step installation via Terminal
Press ⌘ + Space to open Spotlight, type Terminal and press Enter.
Paste this command and press Enter. Homebrew will download and install the app — you may be prompted for your Mac password.
brew install --cask battery-saver-mac
When the command finishes, open battery-saver-mac from Applications or Spotlight (⌘ + Space). The menu bar shows battery % and a color hint (green normal, yellow elevated, red critical). Click it for per-app drain and suspend options.
battery-saver-mac shows which apps are draining your battery right now, ranked by impact — and lets you suspend background hogs with one click without losing your work.
All data stays on your device. No usage analytics are collected or transmitted.
Battery impact per app in plain language.
Quiet heavy apps without force-quitting.
Estimated hours left from current usage.
Get warned when energy use jumps suddenly.