Torn between Freo Z Ultra and Blade 4 Classic Plus CLSV-B4CA for your next cordless vacuum?

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We examine the Freo Z Ultra – a battery-power vacuum by Narwal, comparing runtime, dust tank, and costs, with – Blade 4 Classic Plus CLSV-B4CA by Vax, analysing real-world vacuuming performance.
By assessing these vacuums – the Freo Z Ultra and Blade 4 Classic Plus CLSV-B4CA from NARWAL and VAX, you get the best floorcare machine.
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Get DealNARWAL Freo Z Ultra vs VAX Blade 4 Classic Plus CLSV-B4CA – key Specifications
NARWAL Freo Z Ultra Specs

- Product Brand: NARWAL
- Cordless Vacuum Model: Freo Z Ultra
- Type of Vacuum: Robot
- Battery Life: 210 Minutes
- Dirt Tank Capacity: 2.5L
- Weight: 4.5KG
- Colour: Grey
- RRP: £949.00
VAX Blade 4 Classic Plus CLSV-B4CA Specs

- Product Brand: VAX
- Cordless Vacuum Model: Blade 4 Classic Plus CLSV-B4CA
- Type of Vacuum: Stick
- Battery Life: 45 Minutes
- Dirt Tank Capacity: 0.7L
- Weight: 3.1KG
- Colour: Graphite & Blue
- RRP: £149.00
Freo Z Ultra and Blade 4 Classic Plus CLSV-B4CA Cordless Battery Run Time
NARWAL Robot cordless vacuums, like the Freo Z Ultra, provides lightweight portability without mains cables. Blade 4 Classic Plus CLSV-B4CA Stick is also cordlessly powered by a VAX rechargeable battery.
The Vax Blade 4 Classic Plus CLSV-B4CA has a battery supply runtime of 45 minutes of cleaning, compared to the Narwal Freo Z Ultra which has 210 minutes life.
- NARWAL Freo Z Ultra Runtime: 210 mins continuous vacuuming
- VAX Blade 4 Classic Plus CLSV-B4CA Runtime: 45 mins continuous vacuuming
Charging times between the Freo Z Ultra and Blade 4 Classic Plus CLSV-B4CA varies – check manual.
Cordless Vacuum Dust Tank Capacity
Both Narwal Freo Z Ultra and Vax Blade 4 Classic Plus CLSV-B4CA are bagless, storing dust, hairs, dirt, and debris inside a sealed 2.5 litre and 0.7 litre tank, respectively. The Blade 4 Classic Plus CLSV-B4CA by VAX holds up to 0.7 Litre of compressed dirty particles. The Freo Z Ultra by NARWAL has a capable capacity of 2.5 litre for manual disposable.
- Freo Z Ultra onboard dirt/dust tank size: 2.5L
- Blade 4 Classic Plus CLSV-B4CA onboard dirt/dust tank size: 0.7L
Floor Cleaning Types
Narwal’s Freo Z Ultra and Vax’s Blade 4 Classic Plus CLSV-B4CA 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 Blade 4 Classic Plus CLSV-B4CA and Freo Z Ultra can’t vacuum liquids. For this, a VAX or NARWAL ‘wet and dry’ vacuum is needed.
Most Narwal and Vax battery powered vacuums include accessories. Check Freo Z Ultra or Blade 4 Classic Plus CLSV-B4CA manual for specifications and attachments.
Vacuum Filtration
The Blade 4 Classic Plus CLSV-B4CA and NARWAL Freo Z Ultra include effective filters to capture dust, dander, pollen, hairs, and fibres.
NARWAL and VAX use HEPA, foam, or cloth, filters. Freo Z Ultra and Blade 4 Classic Plus CLSV-B4CA maintain suction and clean exhaust air.
VAX and NARWAL Reviews
Combined feedback from 406 reviewers shows the Freo Z Ultra with a rating of 4.4/5 stars, and the Blade 4 Classic Plus CLSV-B4CA vacuum gains a 4.4/5 average from 1,440 reviews, showing comparable reliability results.
| Brand | Model | Runtime | Weight | Tank | Best Price |
| NARWAL | Freo Z Ultra | 210 M | 4.5 | 2.5L | £949.00 |
| VAX | Blade 4 Classic Plus CLSV-B4CA | 45 M | 3.1 | 0.7L | £149.00 |
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Best cordless vacuum – Shark PowerPro – beating Freo Z Ultra and Blade 4 Classic Plus CLSV-B4CA on performance and value
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