Shark robot vacuums are up to half off in these Prime Day deals

Shark robot vacuums are on sale for Prime Day and there are some good deals to be had. For instance, the AI Ultra is on sale for just $298. This is 50 percent off, as the regular price is $599.

This is a version of the model topped our list of the best robot vacuums, so it's the real deal. The AI Ultra boasts fantastic suction power and the bagless self-emptying base is incredibly handy. There's a simple mobile app that lets users control the vacuum when not at home. This app also displays home maps made by the vacuum that can be edited to create "no-go" zones.

The battery life is decent, at 120 minutes per charge. Like most modern robovacs, it'll head back to the power outlet on its own. During use, we found that the vacuum did a pretty good job at avoiding obstacles and managed to sidestep the many cat toys strewn across the floor.

Many other Shark products are also on sale right now. This includes other robovacs, but also standard upright designs. Here are some of the highlights.

• Shark AV2501S AI Ultra robot vacuum for $280 (49 percent off): A version of our favorite robot vacuum, this Shark machine has strong suction power and won't choke at the first sight of pet hair or big dust bunnies. Its self-emptying base is bagless as well, which means you won't have to buy propriety bags to refill it with over time. This auto-empty base has a 30-day capacity.

• Shark PowerDetect NeverTouch Pro robot vacuum and mop for $700 (42 percent off): This Shark machine is one of our favorites in part because it truly lives up to its name. Thanks to its self-emptying dock that handles vacuumed debris along with clean and dirty mopping water, you really don't have to touch the thing for at least 30 days in between cleanings. We found it to be a solid autonomous dirt sucker, and its mopping capabilities are quite good to match.

• Shark PowerDetect Clean & Empty cordless vacuum for $400 (33 percent off): Shark's cordless vacuums are just as good as their robot vacuums, and you can usually find them on sale for less than other major brands. This one has great suction power and a relatively lightweight design, but the fact that it comes with a self-emptying base makes it an ultra-convenient choice.

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