Robot Vacuums · Head to head

Dreame L40s Ultra AE 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
Dreame L40s Ultra AE has the better all-around case than Shark PowerDetect Self-Empty in 2026, starting with rating, warranty, and battery life.
Dreame L40s Ultra AE
Winner
Dreame L40s Ultra AE
$669.99$729.998% OFF
Buy on Amazon USACheck price
What pushes it ahead is rating, warranty, and battery life, and mopping functionality and auto mop washing keep the advantage from looking narrow. Pick Shark PowerDetect Self-Empty only when price is the deciding factor for your setup. That is why the final call still favors Dreame L40s Ultra AE.
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FeatureDreame L40s Ultra AEShark PowerDetect Self-EmptyWinner
Price$669.99$549.99Shark PowerDetect Self-Empty
Rating4.34.2Dreame L40s Ultra AE
Warranty3 years1 yearDreame L40s Ultra AE
Battery Life180 minutes110 minutesDreame L40s Ultra AE
Mopping FunctionalityYESNODreame L40s Ultra AE
Auto Mop WashingYESNODreame L40s Ultra AE
Auto Mop DryingYESNODreame L40s Ultra AE
Onboard Dustbin Capacity395ml189mlDreame L40s Ultra AE
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 AE or Shark PowerDetect Self-Empty?

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

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

Price is one of the clearest differences: Dreame L40s Ultra AE lists $669.99, while Shark PowerDetect Self-Empty lists $549.99.

Which one looks better on price?

Dreame L40s Ultra AE is listed at $669.99, while Shark PowerDetect Self-Empty is listed at $549.99. Shark PowerDetect Self-Empty (better spec).

Who should buy Dreame L40s Ultra AE?

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

Who should buy Shark PowerDetect Self-Empty?

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

Full comparison table

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