LiwuGuides
Practical, no-nonsense guides on MacBook charging, battery health, and the menu bar.
MacBook Losing Battery Overnight With the Lid Closed: See What Woke It
2026-10-13
Tell normal sleep drain from a problem on a MacBook: read the power log with pmset, see what woke the Mac while the lid was closed, and what to change.
Mac Low-Battery Notification Not Showing: How to Get a Warning Back
2026-10-13
Mac owners report the low-battery warning missing or late since macOS Tahoe 26.1. What macOS alone can do, and how to get a warning at a level you choose.
Mac's Built-In Charge Limit vs a Charge-Limit App
2026-10-08
macOS now has its own Charge Limit. What it covers, what a charge-limit app still adds, and how to tell whether the built-in setting is all you need.
MacBook Plugged In All Day: What Charge Limit Should You Use?
2026-10-05
80% is a sound default for a MacBook that mostly stays on power. When 100%, 70%, or 60% fits better, what Apple documents, and what nobody has published.
Why Your MacBook Charges Past the Limit
2026-10-05
A charge limit is a target, not a ceiling. The normal reasons a MacBook goes above it, the ones worth fixing, and how to check which one applies.
How to Hide Menu Bar Icons on a Mac
2026-10-04
Remove icons with macOS Menu Bar settings or Control Center, or keep them one click away in a hidden group. Steps, permissions, and limits for macOS 26.
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%.