The fastest-charging power bank we've tested in our lab is 20% off

The Cuktech 15 Air power bank, recognized for its fast charging, is currently 20% off during Prime Day. This device was awarded by ZDNet Labs for its performance. The discount offers a timely opportunity for tech users to upgrade their charging solutions.

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PublishedWednesday, June 24, 2026 at 8:48 PMJun 24, 08:48 PM

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If you're looking to save on a power bank this Prime Day, get the Cuktech 15 Air, a ZDNET Lab Award winner.

ZDNET's recommendations are based on many hours of testing, research, and comparison shopping. We gather data from the best available sources, including vendor and retailer listings as well as other relevant and independent reviews sites. And we pore over customer reviews to find out what matters to real people who already own and use the products and services we’re assessing.

When you click through from our site to a retailer and buy a product or service, we may earn affiliate commissions. This helps support our work, but does not affect what we cover or how, and it does not affect the price you pay. Neither ZDNET nor the author are compensated for these independent reviews. Indeed, we follow strict guidelines that ensure our editorial content is never influenced by advertisers.

ZDNET's editorial team writes on behalf of you, our reader. Our goal is to deliver the most accurate information and the most knowledgeable advice possible in order to help you make smarter buying decisions on tech gear and a wide array of products and services. Our editors thoroughly review and fact-check every article to ensure that our content meets the highest standards. If we have made an error or published misleading information, we will correct or clarify the article. If you see inaccuracies in our content, please report the mistake via this form.

ZDNET always tests products before we recommend them, whether that's hands-on testing in our home or data-based testing in our lab in Kentucky. We've tested everything from tablets, portable power stations, and more to award them a Lab Award badge for outstanding performance.

For our power banks Lab Award, out of the 10 devices we tested in the lab, the Cuktech 15 Air charged to 100% the fastest. And right now, during Prime Day, you can get this award-worthy power bank for $64 ($16 off).

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

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The fastest-charging power bank we've tested in our lab is 20% off

Original article excerpt