Apple officially released the stable versions of iOS 26, watchOS 26, and macOS Tahoe on September 15. Alongside the new design, which is consistent across its different devices, the Cupertino tech giant is also adding a new and useful charging feature to the Apple Watch with watchOS 26.
Apple Watch gets slow charging warning with watchOS 26
The new feature will let you know if you're using an Apple Watch charger that's not optimized for the fastest charging speeds.
A new Apple support document explains the change. With watchOS 26, if your timepiece detects a charging experience that can be improved, a Slow Charger message will be displayed. The message will appear in the Battery section of the Settings app.
Image Credit - MacRumors
Slow charging instances would be shown in orange, and fast charging speeds would be indicated by a green color.
Recommended For You
Does the Slow Charger warning mean you're using a dangerous charger?
This warning doesn't indicate that something is wrong with your charger. According to Apple, it simply means that this is a slower charger. The intention of the message is to tell you that you can get faster charging speeds with a higher-wattage charger, so you're not stuck waiting forever for your Apple Watch to charge.
Do you care how fast your Apple Watch charges?
Yes, I want it fully charged as quickly as possible
46.88%
Not really, I just charge it overnight
21.88%
Depends — sometimes speed matters, sometimes not
21.88%
I don't use Apple Watch at all
9.38%
32 Votes
Nowadays, charging your devices quickly is becoming more and more important in our busy lives. Some third-party chargers can be quite slow, which could technically annoy you if you're in a hurry, for example.
Apple recommends a USB-C Power Delivery charger and the USB-C Apple Watch Magnetic Charging Cable that came with the smartwatch if you want to achieve the fastest charging that your timepiece supports.
It's a useful notification, alright
I find this new feature quite useful. Although I use the cable and Apple's charger to charge my smartwatch, it's always possible that someone would use another charger just lying around.
And you may not immediately notice that it's on the slower end, but when you need the speeds, you should know when you're getting them. And I think that this is a small, but welcome tweak.
Get Visible as low as $20/mo for 1 year. Limited time offer with code: FRESHSTART
$20
/mo
$25
$5 off (20%)
Offer Ends 6.1.2026 at 11.59pm ET. New members get $5/mo off the $25/mg Visible plan, $35/mo Visible+ plan, or $45/mo Visible+ Pro plan for the first 12 months. Promo code FRESHSTART required at checkout.
Iskra Petrova is a news writer at PhoneArena, where she covers mobile tech news and maintains the site’s device hubs with the latest leaked specs, rumors, and official details for upcoming phones. She joined PhoneArena in 2020 after three years in technical support for Microsoft Exchange, giving her practical experience with software infrastructure and troubleshooting. Iskra holds a Master’s Degree in Literature, which helps her translate complex tech details into clear, reader-friendly coverage. She is a daily Apple ecosystem user, while also closely following Sony Xperia’s camera-focused phones and Samsung’s Galaxy Z Flip series.
A discussion is a place, where people can voice their opinion, no matter if it
is positive, neutral or negative. However, when posting, one must stay true to the topic, and not just share some
random thoughts, which are not directly related to the matter.
Things that are NOT allowed:
Off-topic talk - you must stick to the subject of discussion
Offensive, hate speech - if you want to say something, say it politely
Spam/Advertisements - these posts are deleted
Multiple accounts - one person can have only one account
Impersonations and offensive nicknames - these accounts get banned
To help keep our community safe and free from spam, we apply temporary limits to newly created accounts:
New accounts created within the last 24 hours may experience restrictions on how frequently they can
post or comment.
These limits are in place as a precaution and will automatically lift.
Moderation is done by humans. We try to be as objective as possible and moderate with zero bias. If you think a
post should be moderated - please, report it.
Have a question about the rules or why you have been moderated/limited/banned? Please,
contact us.
Things that are NOT allowed:
To help keep our community safe and free from spam, we apply temporary limits to newly created accounts: