Battery Hog for Mac

Name: Battery Hog
Author: luke-fairbanks

Shows per-app energy use to identify and quit what's draining your battery.

By luke-fairbanks. Free and open source, MIT licence.

Get it with OpenDMG View source on GitHub

Battery Hog at a glance

Version: 1.5.0
Released: 14 July 2026
Download size: 3.0 MB
Works on: Apple silicon and Intel
Licence: MIT
Category: System Tools
Developer: luke-fairbanks
GitHub stars: 12

About Battery Hog

A native macOS app that shows what's draining your battery — live power, per-app energy, charge history, and drain insights. 100% local, no dependencies.

Screenshots

How to install Battery Hog on a Mac

Get OpenDMG. It is a free app store for open source Mac apps. Download OpenDMG.
Search for Battery Hog and press Get. OpenDMG downloads version 1.5.0 from luke-fairbanks's own GitHub release.
Open it. The download is checked against its SHA-256 fingerprint and its signature is checked on your Mac before it lands in Applications.

Updates to Battery Hog show up in OpenDMG and install with one button. No account is needed.

Prefer to do it by hand? The developer's file is on GitHub: BatteryHog-1.5.0.dmg (3.0 MB).

What is new in Battery Hog 1.5.0

## What’s new

- Rebuilt Battery Hog’s monitoring engine in native Swift—there is no Python runtime or local server.
- Made reopening faster with persisted battery history that refreshes in the background.
- Renamed per-app ranking to **Estimated impact**, with clearer CPU and memory context.
- Improved Agent Mode terminal behavior, settings persistence, process quitting, and native bridge security.
- Preserved Heat alerts, Workloads, Sparkle updates, and the polished drag-to-Applications installer.

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