Which Macs and macOS versions does Battery Sensei support?

macOS 13 Ventura, Sonoma, Sequoia, and later, on both Apple Silicon (M1/M2/M3/M4) and Intel MacBooks.

Is Battery Sensei free?

Yes. Battery Sensei is free and notarized by Apple. Download the .dmg directly from this site. No accounts, no subscription, no in-app purchases.

How does the charge limit and Travel Mode work?

Sensei caps your MacBook at a charge level you choose (default 85 percent) to extend battery life. One click switches to Travel Mode and Sensei tops the battery up to 100 percent before a trip, then returns to your normal limit when you are home.

Does Battery Sensei send my data anywhere?

No. Battery Sensei is privacy-first. It runs entirely on your Mac. No telemetry, no analytics, no cloud account. Your personal battery history stays local; nothing leaves your machine unless you explicitly share it.

How is Battery Sensei different from the built-in macOS battery menu?

macOS shows you a percentage. Battery Sensei adds smart low-battery alerts at thresholds you choose, a charge limit with Travel Mode, live charging watts, cycle and capacity tracking, and a plain-English history of how your battery is aging.

How much battery does Battery Sensei itself use?

Less than one percent. Sensei is a native AppKit and SwiftUI menu-bar app with no background polling. It samples the system battery only when macOS reports a change.

Is Battery Sensei an AlDente alternative?

Yes. Sensei covers AlDente's core charge-limit feature for free, adds smart warnings and a personal battery history, and ships as a single notarized .dmg with no account. A detailed side-by-side comparison lives at battery-sensei.app/vs-aldente.

How do I update Battery Sensei?

Sensei checks for updates on launch and notifies you when a new version is available. You stay in control: updates only install when you say so.

Free for macOS · battery health

Quiet powerfor your MacBook.

Name: Battery Sensei
Availability: InStock
Author: Battery Sensei

静かに、電池に寄り添う。

Your MacBook's battery quietly wears down with every charge. Sensei watches it for you: warns before a surprise shutdown, holds your charge limit so the cells last longer, and keeps a plain-English record of how the years are going.

Download for macOS Read the source

Free & open source · native macOS · privacy-first · barely sips power

Lives in your menu bar. Speaks only when it matters.

Smart low-battery alerts Charge limit · 80%Travel Mode Cycle & capacity Live watts Battery history AlDente alternative

What it does

Everything your battery needs.Nothing it doesn't.

警

静かな警告

Three levels. You pick.Sensei whispers, insists, or stays.

macOS shows you a percent. Sensei picks the right nudge for the moment, so you never lose work to a surprise shutdown again. Three preset moods, or set your own thresholds and dismiss times.

Battery警告

15%InfoQuiet nudge. Closes itself in 5 s.
5%WarningCard on screen for 10 s.
2%AlertStays until you dismiss it.

保

Charge limitwith Travel Mode

長く保つ・旅

Apple says lithium-ion ages faster the longer it sits at 100%. Pick a cap (we suggest 80%). Sensei holds it in the background. Flying tomorrow? One click for a full charge, then your cap returns when you are home.

Travel Mode · full charge before a trip

見

One glance, the whole story

一目で

Charge, source, watts in or out, time left. The whole picture, one look. No dock icon. No notification noise. Nothing to click unless you want to.

13:42

84%

1h 52m left

Charging to 85%29.7 W

SourcePower adapter

Cycles217

Charge limit · 85%ON

会

Meetings, met.Sensei reads ahead, so your battery does too.

会議の前に

Opt-in. Sensei peeks at your next few meetings and warns you when the battery won't survive the one that matters. Loss-aversion-forward copy — "your laptop dies 17 minutes into standup" — and a clear fix. Event titles never leave your Mac.

Read-only · titles never leave your Mac

Next on calendar3:00 PM · 60 min

Weekly standup

Battery won't last your meeting

Your laptop dies 17 min into standup. Plug in now.

22 min on the charger and you're clear through.

On-device only会議

Personal history · 個人史

A diary your batterywould actually keep.

Every cycle. Every rescue. Every plateau. Sensei keeps a plain-English journal of your battery's life so when the day comes to retire your MacBook, you know how it lived, what carried it that far, and exactly what to ask the next one to do better.

247 days, 217 cycles, 92%. Yours, annotated.
Updated quietly as you live, no setup.
Lives on your Mac. No cloud. No account.

個人史Since 30 Jan 2024

247Days

217Cycles

92%Capacity

Capacity timeline

Mar 04Rescued at 12% — plugged in just in time.救
Feb 18Reached 200 cycles. Aging on schedule.
Jan 30Personal best: 11h 23m on a single charge.星

SenseiQuietly watching.

史

MacBook battery health · 健康

Every metric that matters,in a sentence you'd actually say.

時

14 months ago92% today

How it ages, plotted

A quiet line you can read in a second. Plain English, no vendor jargon, no scary red dashboards.

輪

Cycle count, in context

"217 cycles. Normal for 14 months." Numbers a human would say.

熱

Heat throttling, named

When macOS pauses charging to cool off, Sensei tells you why and what to do.

電

Live watts in, watts out

Spot a flaky cable in seconds. Catch a thirsty app before it eats your day.

守

Stays on your Mac

No cloud. No account. No telemetry. Your battery story is yours alone.

言

Speaks five languages

EN · DE · ES · FR · 日本語

Questions · 問答

Answered calmly.

ようこそ

Install once.Let your battery breathe.

Free. Open source. Notarized by Apple. Sensei sits in your menu bar from day one and looks after your battery without asking again.

Download .dmg Source

Native macOS

AppKit and SwiftUI. Feels like a system tool, because it is one.

Light on your battery

No background polling. Sensei wakes only when macOS reports a change.

Nothing leaves your Mac

No telemetry. No account. No cloud, ever.

macOS 13+ · Apple Silicon & Intel · Free · Notarized