Shark Stratos Cordless Vacuum IZ862H

#6 of 7 cordless vacuums tested

No sponsored placements·By Renée Torres

5.8R3 Score / 10

There are better options - here's why.

No sponsored placements· By Renée Torres

Safety

The bottom line

What the product listing won't tell you

Know before you buy

The Shark Stratos's Fair rating is driven by a documented filtration bypass that contradicts its 'Anti-Allergen Complete Seal' marketing claim, combined with unverified battery safety certification. Expert reviewers rank it #3 because they weight runtime and usability more heavily. R3 ranks it #6 because an unsealed vacuum cannot fulfill its primary safety promise to allergy households. The Stratos is an excellent vacuum for families where allergen filtration is not the primary concern.

Buy it if

Runtime is your top priority and you need 60 minutes of continuous cleaning without recharging — the Stratos is the only vacuum in this category that hits the ceiling.
Noise level matters significantly to your household — at 68dB, the Stratos is the quietest vacuum in the category, meaningfully quieter than all Dyson options.
You have a pet household and want Odor Neutralizer technology to address pet odors alongside debris pickup, and allergen filtration is not a primary health concern.

Skip if

You have allergies or asthma and need reliable allergen filtration — the documented filtration bypass means dirty air escapes around the HEPA filter, directly contradicting the 'Complete Seal' marketing claim.
You want independently verified battery safety — Shark provides no UL 2054 documentation comparable to Dyson, which is a real certification gap at this price point.
You need a lightweight vacuum for stairs or multi-floor use — 8.6lbs is the heaviest in the category and significantly more fatiguing than the 6.2–6.8lb alternatives.