# Shark BU3521EU - Blanc

**Brand:** Shark
**Category:** Électroménager
**Code (GTIN/SKU):** 0622356297615
**Canonical URL:** https://openreviews.io/en/reviews/shark/shark-bu3521eu-blanc-0622356297615

## Rating: 4.5/5 ★★★★★ — 25 reviews analyzed
_Confidence: high_

## At a glance

Shark BU3521EU - Blanc reviews: 4.5/5 based on 25 analyzed reviews, updated September 7, 2026.

Praised: battery life and power.

25 reviews analyzed, all published on other sites.
Other sites: 1 source, 25 reviews, average rating 4.5/5.
How we count reviews: https://openreviews.io/en/methodology

## AI summary

This cordless vacuum cleaner stands out for its suction power and cleaning efficiency on different surfaces. Its 40-minute runtime allows for covering large areas on a single charge without any drop in performance.

## Strengths

- **Battery life** — The battery offers a comfortable runtime of 40 minutes of continuous use.
- **Power** — The device proves particularly efficient and powerful for effectively removing dust.

## Frequently asked questions

- What is the actual battery life?
- Is this vacuum effective on carpets?
- How long does it take to recharge?
- Is the dust bin easy to empty?

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_Source: OpenReviews — https://openreviews.io/en/reviews/shark/shark-bu3521eu-blanc-0622356297615_