One of our favorite affordable robot vacuums is on sale for $140

If you're just looking for a cheap way to keep your floors cleaner and don't need all the top-end features, you may want to check out this deal. Anker brand Eufy's BoostIQ RoboVac S11 is now down to $140 after a 44 percent discount. The sale comes as part of a larger sale on Eufy vacs, including ones with a few more bells and whistles. The S11 Max is our current pick for an ultra budget option in our buyer's guide to robo vacs because it's super affordable (especially after the discount), has good suction power and a long battery life. Probably the biggest caveat is that it's not Wi-Fi enabled.

Instead of controlling the unit through your home's wireless network, the 11S Max comes with a remote that handles scheduling and other smart features like cleaning mode selection. It also has a manual button up top to start a session. It has three power modes - Standard, BoostIQ and Max - and BoostIQ provides a good balance of adequate suction and noise level. In our tests, a BoostIQ session lasted about an hour and 15 minutes. The obstacle avoidance is impressive at sidestepping random objects, though it occasionally bumped into walls. The vac is also about an inch an a half thinner than many other robot vacs we tested, which lets it get beneath low-slung furniture for more complete cleaning.

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