BU3521UK vs PowerDetect IP1251UKT Cordless Vacuums

Torn between BU3521UK and PowerDetect IP1251UKT for your next cordless vacuum?

We examine the BU3521UK – a battery-power vacuum by Shark, comparing runtime, dust tank, and costs, with – PowerDetect IP1251UKT by Shark, analysing real-world vacuuming performance.

By assessing these vacuums – the BU3521UK and PowerDetect IP1251UKT from SHARK and SHARK, you get the best floorcare machine.

Best Cordless Vacuum Pick

SHARK BU3521UK vs SHARK PowerDetect IP1251UKT – key Specifications

BU3521UK and PowerDetect IP1251UKT Cordless Battery Run Time

SHARK Stick cordless vacuums, like the BU3521UK, provides lightweight portability without mains cables. PowerDetect IP1251UKT Stick is also cordlessly powered by a SHARK rechargeable battery.

The Shark PowerDetect IP1251UKT has a battery supply runtime of 70 minutes of cleaning, compared to the Shark BU3521UK which has 40 minutes life.

• SHARK BU3521UK Runtime: 40 mins continuous vacuuming
• SHARK PowerDetect IP1251UKT Runtime: 70 mins continuous vacuuming

Charging times between the BU3521UK and PowerDetect IP1251UKT varies – check manual.

Cordless Vacuum Dust Tank Capacity

Both Shark BU3521UK and Shark PowerDetect IP1251UKT are bagless, storing dust, hairs, dirt, and debris inside a sealed 0.42 litre and 0.7 litre tank, respectively. The PowerDetect IP1251UKT by SHARK holds up to 0.7 Litre of compressed dirty particles. The BU3521UK by SHARK has a capable capacity of 0.42 litre for manual disposable.

• BU3521UK onboard dirt/dust tank size: 0.42L
• PowerDetect IP1251UKT onboard dirt/dust tank size: 0.7L

Floor Cleaning Types

Shark’s BU3521UK and Shark’s PowerDetect IP1251UKT 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 PowerDetect IP1251UKT and BU3521UK can’t vacuum liquids. For this, a SHARK or SHARK ‘wet and dry’ vacuum is needed.

Most Shark and Shark battery powered vacuums include accessories. Check BU3521UK or PowerDetect IP1251UKT manual for specifications and attachments.

Vacuum Filtration

The PowerDetect IP1251UKT and SHARK BU3521UK include effective filters to capture dust, dander, pollen, hairs, and fibres.

SHARK and SHARK use HEPA, foam, or cloth, filters. BU3521UK and PowerDetect IP1251UKT maintain suction and clean exhaust air.

SHARK and SHARK Reviews

Combined feedback from 128 reviewers shows the BU3521UK with a rating of 4.4/5 stars, and the PowerDetect IP1251UKT vacuum gains a 4.4/5 average from 91 reviews, showing comparable reliability results.

Brand	Model	Runtime	Weight	Tank	Best Price
SHARK	BU3521UK	40 M	2.7	0.42L	£349.99
SHARK	PowerDetect IP1251UKT	70 M	3.7	0.7L	£499.99