Torn between Airgility BEL0776TT and BU3521UK for your next cordless vacuum?

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We examine the Airgility BEL0776TT – a battery-power vacuum by Beldray, comparing runtime, dust tank, and costs, with – BU3521UK by Shark, analysing real-world vacuuming performance.
By assessing these vacuums – the Airgility BEL0776TT and BU3521UK from BELDRAY and SHARK, you get the best floorcare machine.
Best Cordless Vacuum Pick
Best Buy: Shark PowerPro Cordless Stick Vacuum
Best cordless vacuum – Shark PowerPro – beating Airgility BEL0776TT and BU3521UK on performance and value
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Get DealBELDRAY Airgility BEL0776TT vs SHARK BU3521UK – key Specifications
BELDRAY Airgility BEL0776TT Specs

- Product Brand: BELDRAY
- Cordless Vacuum Model: Airgility BEL0776TT
- Type of Vacuum: Stick
- Battery Life: 40 Minutes
- Dirt Tank Capacity: 1.2L
- Weight: 3.4KG
- Colour: Titanium
- RRP: £99.99
SHARK BU3521UK Specs

- Product Brand: SHARK
- Cordless Vacuum Model: BU3521UK
- Type of Vacuum: Stick
- Battery Life: 40 Minutes
- Dirt Tank Capacity: 0.42L
- Weight: 2.7KG
- Colour: Navy Blue & White
- RRP: £349.99
Airgility BEL0776TT and BU3521UK Cordless Battery Run Time
BELDRAY Stick cordless vacuums, like the Airgility BEL0776TT, provides lightweight portability without mains cables. BU3521UK Stick is also cordlessly powered by a SHARK rechargeable battery.
The Shark BU3521UK has a battery supply runtime of 40 minutes of cleaning, compared to the Beldray Airgility BEL0776TT which has 40 minutes life.
- BELDRAY Airgility BEL0776TT Runtime: 40 mins continuous vacuuming
- SHARK BU3521UK Runtime: 40 mins continuous vacuuming
Charging times between the Airgility BEL0776TT and BU3521UK varies – check manual.
Cordless Vacuum Dust Tank Capacity
Both Beldray Airgility BEL0776TT and Shark BU3521UK are bagless, storing dust, hairs, dirt, and debris inside a sealed 1.2 litre and 0.42 litre tank, respectively. The BU3521UK by SHARK holds up to 0.42 Litre of compressed dirty particles. The Airgility BEL0776TT by BELDRAY has a capable capacity of 1.2 litre for manual disposable.
- Airgility BEL0776TT onboard dirt/dust tank size: 1.2L
- BU3521UK onboard dirt/dust tank size: 0.42L
Floor Cleaning Types
Beldray’s Airgility BEL0776TT and Shark’s BU3521UK brush heads are effective on every surface – carpets & deep-pile rugs, hard floors (laminate, wood, tiles), vinyl, even upholstery, and stairs.
Their only limitation is the BU3521UK and Airgility BEL0776TT can’t vacuum liquids. For this, a SHARK or BELDRAY ‘wet and dry’ vacuum is needed.
Most Beldray and Shark battery powered vacuums include accessories. Check Airgility BEL0776TT or BU3521UK manual for specifications and attachments.
Vacuum Filtration
The BU3521UK and BELDRAY Airgility BEL0776TT include effective filters to capture dust, dander, pollen, hairs, and fibres.
BELDRAY and SHARK use HEPA, foam, or cloth, filters. Airgility BEL0776TT and BU3521UK maintain suction and clean exhaust air.
SHARK and BELDRAY Reviews
Combined feedback from 33 reviewers shows the Airgility BEL0776TT with a rating of 4.1/5 stars, and the BU3521UK vacuum gains a 4.4/5 average from 128 reviews, showing comparable reliability results.
| Brand | Model | Runtime | Weight | Tank | Best Price |
| BELDRAY | Airgility BEL0776TT | 40 M | 3.4 | 1.2L | £99.99 |
| SHARK | BU3521UK | 40 M | 2.7 | 0.42L | £349.99 |
Best Buy: Shark PowerPro Cordless Stick Vacuum
Best cordless vacuum – Shark PowerPro – beating Airgility BEL0776TT and BU3521UK on performance and value
Limited Offer
Get Deal