Robot Vacuums · Head to head

Dreame L40s Ultra CE vs Shark PowerDetect Self-Empty

Full Robot Vacuums comparison in 2026

Updated September 2026
Data from Amazon and official Dreame and Shark sites.
2026 verdict
In 2026, the recommendation leans toward Dreame L40s Ultra CE over Shark PowerDetect Self-Empty, driven by price, warranty, and battery life.
Dreame L40s Ultra CE
Winner
Dreame L40s Ultra CE
$398.88$529.9925% OFF
Buy on Amazon USACheck price
It wins the broader comparison through price, warranty, and battery life, while mopping functionality and auto mop washing help confirm the result. Shark PowerDetect Self-Empty remains a niche alternative if rating matters more than the rest of the comparison. That is enough to make Dreame L40s Ultra CE the better pick for most buyers.
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FeatureDreame L40s Ultra CEShark PowerDetect Self-EmptyWinner
Price$398.88$549.99Dreame L40s Ultra CE
Rating4.04.2Shark PowerDetect Self-Empty
Warranty3 years1 yearDreame L40s Ultra CE
Battery Life260 minutes110 minutesDreame L40s Ultra CE
Mopping FunctionalityYESNODreame L40s Ultra CE
Auto Mop WashingYESNODreame L40s Ultra CE
Auto Mop DryingYESNODreame L40s Ultra CE
Onboard Dustbin Capacity320ml189mlDreame L40s Ultra CE
Auto RechargeYESYESTie
Connectivity2.4 GHz WiFi2.4 GHz WiFiTie
IntegrationsGoogle Home, Alexa, Home AssistantGoogle Home, Alexa, Home AssistantTie
Navigation TypeLaser (LiDAR)Laser (LiDAR)Tie

Frequently Asked Questions

Which is better overall: Dreame L40s Ultra CE or Shark PowerDetect Self-Empty?

Dreame L40s Ultra CE has the stronger overall profile in this comparison, especially for price, warranty, and battery life.

What is the biggest difference between Dreame L40s Ultra CE and Shark PowerDetect Self-Empty?

Price is one of the clearest differences: Dreame L40s Ultra CE lists $398.88, while Shark PowerDetect Self-Empty lists $549.99.

Which one looks better on price?

Dreame L40s Ultra CE is listed at $398.88, while Shark PowerDetect Self-Empty is listed at $549.99. Dreame L40s Ultra CE (better spec).

Who should buy Dreame L40s Ultra CE?

Choose Dreame L40s Ultra CE if your priority is price and warranty and that matters more than rating.

Who should buy Shark PowerDetect Self-Empty?

Choose Shark PowerDetect Self-Empty if your priority is rating and that matters more than price.

Full comparison table

Compare all 151 Robot Vacuums side by side

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