Torn between Freo Z10 Ultra and Centaur RHSV2211 for your next cordless vacuum?

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We examine the Freo Z10 Ultra – a battery-power vacuum by Narwal, comparing runtime, dust tank, and costs, with – Centaur RHSV2211 by Russell, analysing real-world vacuuming performance.
By assessing these vacuums – the Freo Z10 Ultra and Centaur RHSV2211 from NARWAL and RUSSELL, you get the best floorcare machine.
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Get DealNARWAL Freo Z10 Ultra vs RUSSELL Centaur RHSV2211 – key Specifications
NARWAL Freo Z10 Ultra Specs

- Product Brand: NARWAL
- Cordless Vacuum Model: Freo Z10 Ultra
- Type of Vacuum: Robot
- Battery Life: 210 Minutes
- Dirt Tank Capacity: 0.3L
- Weight: 4.5KG
- Colour: Grey
- RRP: £1,399.00
RUSSELL Centaur RHSV2211 Specs

- Product Brand: RUSSELL
- Cordless Vacuum Model: Centaur RHSV2211
- Type of Vacuum: Stick
- Battery Life: 60 Minutes
- Dirt Tank Capacity: 0.5L
- Weight: 2.85KG
- Colour: Grey & Blue
- RRP: £69.99
Freo Z10 Ultra and Centaur RHSV2211 Cordless Battery Run Time
NARWAL Robot cordless vacuums, like the Freo Z10 Ultra, provides lightweight portability without mains cables. Centaur RHSV2211 Stick is also cordlessly powered by a RUSSELL rechargeable battery.
The Russell Centaur RHSV2211 has a battery supply runtime of 60 minutes of cleaning, compared to the Narwal Freo Z10 Ultra which has 210 minutes life.
- NARWAL Freo Z10 Ultra Runtime: 210 mins continuous vacuuming
- RUSSELL Centaur RHSV2211 Runtime: 60 mins continuous vacuuming
Charging times between the Freo Z10 Ultra and Centaur RHSV2211 varies – check manual.
Cordless Vacuum Dust Tank Capacity
Both Narwal Freo Z10 Ultra and Russell Centaur RHSV2211 are bagless, storing dust, hairs, dirt, and debris inside a sealed 0.3 litre and 0.5 litre tank, respectively. The Centaur RHSV2211 by RUSSELL holds up to 0.5 Litre of compressed dirty particles. The Freo Z10 Ultra by NARWAL has a capable capacity of 0.3 litre for manual disposable.
- Freo Z10 Ultra onboard dirt/dust tank size: 0.3L
- Centaur RHSV2211 onboard dirt/dust tank size: 0.5L
Floor Cleaning Types
Narwal’s Freo Z10 Ultra and Russell’s Centaur RHSV2211 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 Centaur RHSV2211 and Freo Z10 Ultra can’t vacuum liquids. For this, a RUSSELL or NARWAL ‘wet and dry’ vacuum is needed.
Most Narwal and Russell battery powered vacuums include accessories. Check Freo Z10 Ultra or Centaur RHSV2211 manual for specifications and attachments.
Vacuum Filtration
The Centaur RHSV2211 and NARWAL Freo Z10 Ultra include effective filters to capture dust, dander, pollen, hairs, and fibres.
NARWAL and RUSSELL use HEPA, foam, or cloth, filters. Freo Z10 Ultra and Centaur RHSV2211 maintain suction and clean exhaust air.
RUSSELL and NARWAL Reviews
Combined feedback from 391 reviewers shows the Freo Z10 Ultra with a rating of 4.4/5 stars, and the Centaur RHSV2211 vacuum gains a 4.5/5 average from 188 reviews, showing comparable reliability results.
| Brand | Model | Runtime | Weight | Tank | Best Price |
| NARWAL | Freo Z10 Ultra | 210 M | 4.5 | 0.3L | £1,399.00 |
| RUSSELL | Centaur RHSV2211 | 60 M | 2.85 | 0.5L | £69.99 |
Best Buy: Shark PowerPro Cordless Stick Vacuum
Best cordless vacuum – Shark PowerPro – beating Freo Z10 Ultra and Centaur RHSV2211 on performance and value
Limited Offer
Get Deal