v1.2.26  ·  iOS + watchOS companion now on the App Store

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Apple-notarized  ·  macOS 14+  ·  No card to start · subscribe after trial

Recommended
ThunderVolt Pro

Hardware-level battery control with Adaptive Mode, BMS Calibration, Charge Scheduler, Travel Intelligence, and iPhone + Watch companion apps. 7-day free trial included.

v1.2.26 Apple Silicon & Intel · macOS 14+
  • Adaptive Mode & full charge limit control
  • BMS Calibration: auto-detect with 6-signal scoring
  • Charge Scheduler + Smart Routines
  • Travel Intelligence: calendar-aware charging
  • Companion apps for iPhone & Apple Watch
  • Apple Notarized · 7-day trial, no card needed to start
Download ThunderVolt →

7-day free trial · no card needed to start

Apple Notarized · Verify SHA-256 checksum · What’s new

ThunderVolt Light

Monitoring-only edition for casual users. Coming to the Mac App Store. Free forever.

Monitor Only Free forever
  • Simple battery dashboard
  • No helper install required
  • No charge limit control
Notify Me

Free · monitoring only · no credit card

Mac App Store · no helper install required

Which version is right for you?

ThunderVolt Pro
  • Full charging control
  • Automation & Adaptive Mode
  • Companion apps (iPhone + Watch)
  • Advanced battery protection
ThunderVolt Light
  • Monitoring only
  • Simple battery dashboard
  • No helper install required
📱

iPhone & Apple Watch Companion

Monitor your Mac's battery, control charge limits, and receive thermal alerts right from your iPhone or Apple Watch. Syncs automatically via iCloud, no setup required. Free companion to ThunderVolt Pro.

Download on the App Store →

Requires macOS 14+ with ThunderVolt 1.1+  ·  iOS 18+  ·  watchOS 11+

How to install

  1. Download the DMG
  2. Drag ThunderVolt to Applications
  3. Open the app
  4. Optional helper installs on first launch

Apple-notarized · Signed installer · Easy uninstall · Support included