Torn between Serie 2 ProClean Ready’y BCHF220GB and BU3521UK for your next cordless vacuum?

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We examine the Serie 2 ProClean Ready’y BCHF220GB – a battery-power vacuum by Bosch, comparing runtime, dust tank, and costs, with – BU3521UK by Shark, analysing real-world vacuuming performance.
By assessing these vacuums – the Serie 2 ProClean Ready’y BCHF220GB and BU3521UK from BOSCH 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 Serie 2 ProClean Ready’y BCHF220GB and BU3521UK on performance and value
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Get DealBOSCH Serie 2 ProClean Ready’y BCHF220GB vs SHARK BU3521UK – key Specifications
BOSCH Serie 2 ProClean Ready’y BCHF220GB Specs

- Product Brand: BOSCH
- Cordless Vacuum Model: Serie 2 ProClean Ready’y BCHF220GB
- Type of Vacuum: Stick
- Battery Life: 44 Minutes
- Dirt Tank Capacity: 0.4L
- Weight: 2.5KG
- Colour: Black
- 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
Serie 2 ProClean Ready’y BCHF220GB and BU3521UK Cordless Battery Run Time
BOSCH Stick cordless vacuums, like the Serie 2 ProClean Ready’y BCHF220GB, 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 Bosch Serie 2 ProClean Ready’y BCHF220GB which has 44 minutes life.
- BOSCH Serie 2 ProClean Ready’y BCHF220GB Runtime: 44 mins continuous vacuuming
- SHARK BU3521UK Runtime: 40 mins continuous vacuuming
Charging times between the Serie 2 ProClean Ready’y BCHF220GB and BU3521UK varies – check manual.
Cordless Vacuum Dust Tank Capacity
Both Bosch Serie 2 ProClean Ready’y BCHF220GB and Shark BU3521UK are bagless, storing dust, hairs, dirt, and debris inside a sealed 0.4 litre and 0.42 litre tank, respectively. The BU3521UK by SHARK holds up to 0.42 Litre of compressed dirty particles. The Serie 2 ProClean Ready’y BCHF220GB by BOSCH has a capable capacity of 0.4 litre for manual disposable.
- Serie 2 ProClean Ready’y BCHF220GB onboard dirt/dust tank size: 0.4L
- BU3521UK onboard dirt/dust tank size: 0.42L
Floor Cleaning Types
Bosch’s Serie 2 ProClean Ready’y BCHF220GB 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 Serie 2 ProClean Ready’y BCHF220GB can’t vacuum liquids. For this, a SHARK or BOSCH ‘wet and dry’ vacuum is needed.
Most Bosch and Shark battery powered vacuums include accessories. Check Serie 2 ProClean Ready’y BCHF220GB or BU3521UK manual for specifications and attachments.
Vacuum Filtration
The BU3521UK and BOSCH Serie 2 ProClean Ready’y BCHF220GB include effective filters to capture dust, dander, pollen, hairs, and fibres.
BOSCH and SHARK use HEPA, foam, or cloth, filters. Serie 2 ProClean Ready’y BCHF220GB and BU3521UK maintain suction and clean exhaust air.
SHARK and BOSCH Reviews
Combined feedback from 145 reviewers shows the Serie 2 ProClean Ready’y BCHF220GB with a rating of 4.4/5 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 |
| BOSCH | Serie 2 ProClean Ready’y BCHF220GB | 44 M | 2.5 | 0.4L | £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 Serie 2 ProClean Ready’y BCHF220GB and BU3521UK on performance and value
Limited Offer
Get Deal