Our Lab tests show the iPad Pro M5 has the longest lasting tablet battery. Get it for $100 off before Apple prices spike


a silver iPad Pro is held by a hand. a library is in the background

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If there’s one thing that ZDNET readers definitely want in a tablet (or a smartphone), it’s a long-lasting battery. You’re in luck this Prime Day as the winner in our Lab Awards for tablet battery life has a strong deal on Amazon right now. Even as Apple prices prepare to increase across the board, the 11-inch version of the iPad Pro M5 is $100 off right now, for $899.

Also: June Prime Day live blog 2026: We’re tracking Amazon deals on SSDs, TVs, laptops and more

In our lab, we tested each tablet’s battery life a total of 12 times: three times with maximum brightness/audio, three times with minimum brightness/audio, three times with maximum brightness/audio on Airplane Mode, and three times on minimum brightness/audio on Airplane Mode. 

The iPad Pro M5 lasted nearly 16 hours at maximum brightness before needing to be charged, solidifying its rank as the best tablet for power users or as a laptop replacement. 

Review: Apple iPad Pro (8th-generation)

Aside from its impressive battery life, Apple included enhanced connectivity features with the C1X and N1 chips on the iPad Pro. The chips give the iPad Pro Wi-Fi 7, Bluetooth 6, Thread, and faster 5G connectivity, all of which translate to faster downloads, a better and more reliable AirDrop experience, and smoother hotspot use. 

If you’re looking for the best battery life in a tablet on the market today, the iPad Pro M5 is it, and with this Prime Day discount, there’s no better time to buy it than right now. 

How I rated this deal 

Based on ZDNET’s deal-rating system, this 10% off deal should only be a 2/5 rating, but since this is a Lab Award winner with the best battery life in a tablet, and a flagship Apple product, I ended up giving it a 3/5 deal rating. 

This year, Amazon set its annual Prime Day event a little earlier, bumping it up into June instead of its usual July slot. The Prime Day sales event is officially from June 23-26, but you can expect sales prior to and even after the event. 


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Deals are subject to sell out or expire at any time, though ZDNET remains committed to finding, sharing, and updating the best product deals for you to score the best savings. Our team of experts regularly checks in on the deals we share to ensure they are still live and obtainable. We’re sorry if you’ve missed out on this deal, but don’t fret — we’re constantly finding new chances to save and sharing them with you at ZDNET.com


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We aim to deliver the most accurate advice to help you shop smarter. ZDNET offers 33 years of experience, 30 hands-on product reviewers, and 10,000 square feet of lab space to ensure we bring you the best of tech.

Last year, we refined our approach to deals, developing a measurable system for sharing savings with readers like you. Our editor’s deal rating badges are affixed to most of our deal content, making it easy to interpret our expertise to help you make the best purchase decision.

At the core of this approach is a percentage-off-based system to classify savings offered on top-tech products, combined with a sliding-scale system based on our team members’ expertise and several factors like frequency, brand or product recognition, and more. The result? Hand-crafted deals chosen specifically for ZDNET readers like you, fully backed by our experts.

Also: How we rate deals at ZDNET in 2026


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Recent Reviews


How to get Siri AI - join the waitlist today

Apple / Elyse Betters Picaro / ZDNET

Follow ZDNET: Add us as a preferred source on Google.


ZDNET’s key takeaways

  • Siri AI requires the iOS 27 developer beta and a waitlist.
  • A free Apple Developer account is enough to install the beta.
  • Apple says Siri AI will launch in beta later this year.

Apple finally gave Siri the major update everyone has wanted for years, moving it from the voice assistant era to the intelligent AI era.

At WWDC 2026 in June, the company introduced Siri AI, a new version of Siri “powered by Apple Intelligence.” Apple said Siri AI is more conversational, understands personal context, can answer broader questions, and can take action across apps. It can also use my information from messages, emails, photos, notes, and the screen itself to get more done on my behalf.

Also: The two biggest iOS 27 features at WWDC for me had nothing to do with Siri AI

The catch? (There’s always one, right?) The iOS 27 developer beta needs to be installed first, and even then, there is a waitlist.

How to get Siri AI

What you’ll need: An iPhone 15 Pro or Pro Max, any iPhone 16 model, or any iPhone 17 model running the iOS 27 developer beta.

Install the iOS 27 developer beta on a secondary device, but be sure to back it up first. Remember, developer betas are unfinished software. Apps can crash or glitch, battery life can drain, and features can disappear.

The good news is Apple no longer requires a $99-a-year Apple Developer Program membership just to get access to beta software. A free Apple Developer account is enough. To join, if you haven’t before, simply go to Apple’s Developer website or use the Apple Developer app, sign in, and agree to the developer terms.

Also: 3 new MacOS 27 features make it worth upgrading right away for me – Siri included

Once that’s done, any new developer beta will automatically appear for the iPhone associated with that Apple Account. To check for iOS 27 and install it now, open Settings > General > Software Update > Beta Updates. From there, select iOS 27 Developer Beta, go back to the Software Update screen, and install the update.

Need help? Check out ZDNET’s guide on installing the iOS 27 developer beta.


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Install the iOS 27 developer beta

Elyse Betters Picaro / ZDNET

After the iOS 27 developer beta is installed, the iPhone will reboot, but Siri AI will not automatically be available to try. Apple is using a waitlist. To join it, open the Settings app, go to Apple Intelligence and Siri, and select “Try New Siri.” Follow the prompts to opt in. Once a spot opens, a notification will appear saying New Siri is available.

Also: Getting real about WWDC and Siri AI – Video

Apple has not confirmed how long the wait will take, but it has said Siri AI will be available in beta “later this year.”


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Join the Siri AI waitlist

Elyse Betters Picaro / ZDNET

Should you wait to try Siri AI?

Maybe. The iOS 27 developer beta is the only route to Siri AI right now. But it’s meant for developers testing apps and APIs, not for most people who need a stable daily phone. Only install it on an iPhone that’s not used every day, or wait for the iOS 27 public beta. That’s expected in July and is easy for anyone to try. An official release for the general public isn’t expected until this fall.

Also: How Data Can Improve Your Health and Wellness

As for me? I joined. I have a spare iPhone running the iOS 27 developer beta right now, and the first thing I did was get on the waitlist to try Siri AI. But that’s because I’m usually excited to try AI tools, and I want to play with the new Siri and be able to write about it. 

Should you join Siri Ai waitlist?

Elyse Betters Picaro / ZDNET

What can Siri AI do?

Apple said the new Siri AI is “a dramatically more capable and conversational assistant” that can help you “find information and get things done throughout the day.” That’s nice, but what, specifically, can it do? According to Apple, the new Siri AI can:

Also: Will your iPhone support Siri AI? The answer is complicated

  • Access “broad world knowledge for up-to-date answers” on any topic.
  • Provide “detailed responses” and “natural back-and-forth conversation.”
  • Use “personal context” in messages, emails, and photos to help find what you need.
  • Find details like restaurant tips, hotel confirmations, and trip photos.
  • Understand what’s on screen and answer questions about it.
  • Use “Visual Intelligence” in Camera and screenshots.
  • Take actions across apps, including drafting emails and editing or sharing photos.
  • Let you ask about images, files, and text from context menus.
  • Generate, rewrite, and proofread text systemwide.
  • Match punctuation and tone in Mail and Messages based on how you usually write.
  • Save “conversation history” in a dedicated Siri app.
  • Offer more expressive voices and better dictation.
  • Help split bills with Apple Cash.
  • Run across iPhone, iPad, Mac, Apple Watch, CarPlay, AirPods, and Vision Pro.
  • Work from Spotlight on iPad and Mac.

When will Siri AI be available?

Apple said it will be available in beta “later this year,” starting in English.

Which iPhone models support Siri AI?

The answer is complicated, but here’s my best guess:

  • iPhone 15 Pro and iPhone 15 Pro Max
  • All iPhone 16 models
  • Any later iPhone models

Apple hasn’t provided a supported device list, but its iOS 27 page shows Siri AI requires “an Apple Intelligence-enabled device.” Apple’s support page for Apple Intelligence also lists “iPhone 15 Pro models, and iPhone 16 models or later.” Apple’s iOS page uses similar wording for Apple Intelligence in iOS 27, as well: “all iPhone 16 models and later, iPhone 15 Pro, iPhone 15 Pro Max.”

There are also regional limits. Apple said Siri AI will “not initially” be available in the EU on iPhone and iPad.


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