Guides

Practical, no-nonsense guides on MacBook battery health and charging.

• How to Keep a Mac Awake for AI Agents and Long-Running Tasks

  2026-07-28

  Keep local AI coding agents, builds, tests, renders, and downloads running while a Mac display sleeps, using macOS settings, caffeinate, or Liwu.

• Is a MacBook Charge Limiter Safe?

  2026-07-27

  How to evaluate a MacBook charge limiter: signing and notarization, privileged helpers, network access, charging conflicts, and complete removal.

• macOS Optimized Battery Charging & Charge Limit, Explained

  2026-07-23

  How Optimized Battery Charging differs from Charge Limit on Mac, including requirements, the 80–100% range, full-charge overrides, and occasional 100% charging.

• How to Limit MacBook Charging to 80%

  2026-07-23

  Choose between Apple's Charge Limit and a fixed third-party limit, with setup steps, macOS requirements, sleep behavior, and the trade-offs of holding at 80%.