Shark AI Ultra Robot Vacuum 50% Off Prime Day

Prime Day 2025 runs from Tuesday, July 8 through Friday, July 11, and Lifehacker is sharing the best sales based on product reviews, comparisons, and price tracking tools.
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New to Prime Day? We’ve got the lowdown on everything you need to know . Sales are accurate at the time of publication, but prices and inventory are always subject to change.
If you’re looking for a reliable vacuum with minimal emptying, the Shark AI Ultra is on sale for 50% off on Amazon just before Prime Day. With powerful suction, an extra-large self-cleaning base, and precise home mapping, it’s one of the most popular smart robot vacuums on the market, holding its own against rivals like Roborock. Right now, you can get one for just $300. Here’s what you need to know about the deal.
In terms of navigation, it comes with basic object avoidance and LiDAR mapping, which uses laser light to provide accurate mapping of your home. However, Amazon reviews of the mapping are mixed. Some users report that the vacuum misses spots or unnecessarily re-cleans areas, requiring removal and re-mapping.
For performance, the Matrix Clean feature uses a precision mesh to repeatedly pass over dirt and debris for a deeper clean on carpets and hard floors. You can choose from a variety of suction levels, and most reviewers are impressed with the suction quality (especially when set to Boost mode), although some report issues with getting stuck on carpets. The battery lasts up to two hours on a single charge, and the self-cleaning brush roll helps prevent hair and fur from getting tangled.
A notable feature is the extra-large self-cleaning dust bin, which can hold up to 60 days of dirt, dust and pet hair and empties in seconds. Another feature is the hands-free voice/app control, compatible with Alexa or Google Assistant, allowing you to activate cleaning, set a cleaning schedule and start cleaning on demand.
However, it doesn’t have a mopping feature, which could be a deal breaker for some people. If you’re looking for a mid-range robot vacuum that combines ease of use with the convenience of voice control and a larger-than-usual base, but doesn’t mind the hassle of reloading the map every now and then, the Shark AI Ultra is a safe choice. However, if you’re looking for more advanced features like mopping and automatic cleaning, you might want to invest in an all-inclusive model like the Dreame X30 Ultra or Roborock’s 2-in-1 model .
Looking for something else? Retailers like Walmart, Best Buy, and Home Depot are running Prime Day sales that are especially helpful if you don’t have Amazon Prime.
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Walmart’s Prime Day sale starts at midnight on July 8 and includes discounts of up to 50% . It’s an especially good option if you have Walmart+.
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Best Buy’s Prime Day sale , “Black Friday in July,” runs through Sunday, July 13, and offers some of the best tech sales online . It’s an especially good option if you’re a My Best Buy “Plus” or “Total” member.
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Home Depot has extended its July 4 sale through at least July 9, competing with some of its own great deals . It’s a particularly good option if you’re looking for power tools, appliances, or outdoor gear.