[Update] Apple Watch battery capacity (mAh & Wh) of all models and editions

If you want to know the nominal power and capacity of your Apple Watch battery in mAh and Wh, then you've come to the right place. Even if you want to determine your Apple Watch model to see which series you have, which accessories are compatible with it and whether an upgrade is worthwhile, we will help you here. First of all, of course, you have to know which model of the watch you have and then you can find the battery capacity from the table below. All models of the 1st generation, the Series 1 2015, are listed Series 2 2016,  Series 3 2017, Series 4 2018, Series 5 2019, Series 6 and Apple WatchSE 2020, Series 7 2021, the Apple Watch Series 8, Apple Watch SE (2nd Gen) and apple watch ultra from 2022 as well Series 9 and Ultra 2 from 2023.

Apple Watch: Determine the model with the iPhone

You can use the model number to find out which Apple Watch you are using. To find the Apple Watch model number, you must use the Watch app on the iPhone to which the watch is paired. And this is how you do it:

• Opens the Apple Watch app
• Tap on My clock -> General -> Info
• You look for the point in the list Model
• The model number consists of an "A" and four digits
• When the part number is displayed, tap Modelto find the model number

Apple Watch battery capacity in mAh and Wh

Below you will find all previous Apple Watch models (as of April 2024) as well as their battery capacities in mAh and Wh. When considering power banks, accessories and battery load, remember that not only the information in mAh is important, but also other battery values (kWh), the watchOS system (consumption) and so on. Here in the blog you will find some articles about chargers, power banks and also MacBook accessories that can be used to charge the watch.

Apple Watch battery capacity - overview of all models

Below you will find the model number, the nominal power in milliampere hours (mAh) and the battery power in watt hours (Wh) of the previous Apple Watch models. The model numbers, which you can find both on the housing of the devices and in the settings, help you to determine your model exactly. But here is the table with the battery capacities (mAh & Wh) of all Apple Watch Series'.

Note on the models from the Apple Watch Series 3 onwards: since this model there has been a distinction between GPS and GPS cellular versions. The latter offer use of the cellular network with the Apple Watch. You will see two model numbers on these editions of the watch. The first is for Europe and Asia, the second for North America. Starting with the Apple Watch SE (2nd Gen), there are three model numbers as a distinction needs to be made for more markets. There is no distinction with the 2022 Apple Watch Ultra as each model can use cellular.

If there is no mAh or Wh value entered somewhere, then I haven't found the information anywhere (as reliable information). If you know a source for this, please leave a comment. The previous sources for the above table are iFixit, MacRumors, Wikipedia, MacWelt and similar.

Thanks to regular updates, you can also find the Apple Watch Series 4 from 2018, the Apple Watch Series 5 from 2019, the Apple Watch Series 6 and Apple Watch SE from 2020, the Apple Watch Series 7 from 2021, and the Apple Watch Series 8 from 2022 and the Apple Watch Series from 2023. We make every effort to keep the table up to date so that you can always find the latest values.

More about the power supply in Apple devices

I hope this post could help you if you are looking for the Apple Watch battery capacity in mAh and Wh. There aren't too many reliable sources for these values; Apple itself always keeps a very low profile when it comes to exact hardware values. The sources for this article were therefore next Apple.com (Model numbers) above all iFixit.com (Teardowns) and Wikipedia. By the way, if you want to know which iPad you have, click here: Determine your own Apple iPad model. And of course there is also the corresponding battery capacity for the Apple tablet: Battery capacity (mAh & Wh) of the Apple iPad models.

Johannes Domke

After graduating from high school, Johannes completed an apprenticeship as a business assistant specializing in foreign languages. But then he decided to research and write, which resulted in his independence. For several years he has been working for Sir Apfelot, among others. His articles include product introductions, news, manuals, video games, consoles, and more. He follows Apple keynotes live via stream.