A MacBook Pro that runs down faster than it should is carrying a big battery, 72.4 Wh in the 14-inch and 100 Wh in the 16-inch per Apple's tech specs, so drain is usually something using the chip or the screen rather than a small cell running out. Read the gauge first: System Settings, Battery, Battery Health. Service Recommended means Apple says the battery holds less charge than when it was new; Normal points at a workload, a display setting or an accessory. Apple designs the battery to retain up to 80 percent of its capacity at its maximum cycle count, which you can look up in System Information. The MacBook Pro battery fee in iFixit's table of Apple's estimates is $249.
Differential
Likely causes of “Apple MacBook Pro 14-inch and 16-inch battery drains too quickly”, and how to tell them apart
- 1
Heavy work on the chip or GPU
What separates it The battery graph falls fast during video export, code builds or gaming
How to confirm Open Activity Monitor and sort by CPU and Energy; heavy tasks cost far more than the specs' web-browsing hours suggest
- 2
A bright ProMotion display
What separates it Runtime is short at full brightness or with external displays attached
How to confirm Dim the display; Apple lists a Liquid Retina XDR display with ProMotion up to 120Hz on these Pros
- 3
Docks and accessories drawing power
What separates it The Pro drains while connected to hubs, drives or displays on battery
How to confirm Disconnect accessories and compare a session, to see whether they draw power
- 4
A battery that has aged
What separates it The runtime shrinks and Battery Health says Service Recommended because the battery has aged
How to confirm Apple says the battery holds less than when new; read the cycle count
- 5
Optimized Battery Charging holding at 80 percent
What separates it The Pro shows Charging On Hold before a trip
How to confirm Choose Charge to Full Now or turn the feature off
Before you touch a setting
Record this first — changing settings destroys the evidence
- Which MacBook Pro you have (14 or 16 inch, M3 or M4 family) and the macOS version
- Battery Health status, maximum capacity and the cycle count
- The top apps by Energy in Activity Monitor and Battery settings
- Whether drain happens on battery only, with external displays or accessories, or asleep
Try in this order
0 of 7 completedRead Battery Health
ReversibleRead Battery Health, in System Settings, Battery, Battery Health, and note the health message and the maximum capacity.
Read the cycle count
ReversibleOption-click the Apple menu, System Information, Power. Apple says the design figure is up to 80 percent capacity at the maximum cycle count.
Find the energy hogs
ReversibleFind the energy hogs, by opening Activity Monitor, the Energy tab, and quitting or fixing apps using a large share.
Lower the display load
ReversibleDim the display and disconnect external monitors you are not using; ProMotion at high brightness is a big draw.
Unplug accessories
ReversibleUnplug accessories, by removing drives, hubs and adapters that draw power from the Thunderbolt and HDMI ports.
Check charging settings
ReversibleBattery, Battery Health, Optimized Battery Charging. If Charging On Hold shows, choose Charge to Full Now.
Book service if it says Service
ReversibleBook service if it says Service, by bringing the Pro to Apple or an Apple Authorized Service Provider.
Model-specific
What is true of this model and not of its siblings
- Battery by model
- 14-inch: 72.4 Wh. 16-inch: 100 Wh. Up to 24 hours video (14-inch M4), 22 hours (14-inch M4 Pro), 18 hours (14-inch M4 Max), 24 hours (16-inch M4 Pro) and 21 hours (16-inch M4 Max). Per Apple's tech specs.
- Charging
- MagSafe 3 or any Thunderbolt port. Adapters: 70W or 96W for the 14-inch and 140W for the 16-inch, with fast charge on the included 140W adapter, per Apple's tech specs.
- Part numbers
- No part number is involved. Apple identifies the Mac by model and serial number under About This Mac and orders the battery from that.
- Repair cost
- iFixit's table of Apple's shared estimates as of February 2025 lists a $249 battery replacement for MacBook Pro models, against $159 for MacBook Air models. Confirm the current M3 or M4 fee with Apple.
- Other models this page answers
- These steps also fit the MacBook Pro 16-inch (M4 family), MacBook Pro 14-inch (M3 family).
Stop boundary
When this stops being a self-service repair
- !If Battery Health says Service Recommended, book service; iFixit lists Apple's US battery estimate at $249 for MacBook Pro models
- !If the Pro loses a large share of charge asleep with nothing attached after a restart, contact Apple
- !If the case bulges or the trackpad lifts, stop charging and go to Apple the same day
Evidence ledger
Sources behind this answer
Maximum capacity, chemical age, the 80 percent design figure and battery health management.
What Service Recommended means, warranty and AppleCare coverage.
Cycle count lookup and the design figure at maximum cycles.
Charging On Hold, Charge to Full Now and Charge Limit.
72.4-watt-hour battery, three Thunderbolt 4 ports, 24 hours video, Center Stage camera and display support.
100-watt-hour battery, 140W adapter, Thunderbolt 5, HDMI, SDXC and ProMotion.
Table of Apple's out-of-warranty battery cost for MacBook Pro and MacBook Air models, from Apple's shared estimates as of February 2025.
Exact questions
Common questions
How big are the batteries?+
Apple's tech specs list a 72.4-watt-hour battery in the 14-inch MacBook Pro and a 100-watt-hour battery in the 16-inch.
How long should they last?+
Apple lists up to 24 hours of video streaming and 16 hours of wireless web for the 14-inch M4; for the 16-inch it lists up to 24 hours and 17 hours (M4 Pro) or 21 hours and 14 hours (M4 Max); the 14-inch M4 Pro and Max list less.
Why is the M4 Pro 14-inch shorter than the M4?+
Apple lists up to 22 hours video and 14 hours of wireless web for the 14-inch M4 Pro and up to 18 and 13 hours for the M4 Max, against 24 and 16 for the M4.
Does AppleCare cover it?+
Apple says with AppleCare+ it replaces the battery at no charge if it retains less than 80 percent of its original capacity, and the one-year warranty covers a defective battery.
Does the display setting matter?+
Yes. Apple lists ProMotion up to 120Hz on these displays, and a bright, high-refresh screen with external monitors attached is the biggest draw after the chip.