Torn between Series 4 Flexxo Gen2 BBH3285GB and KVA 2 for your next cordless vacuum?

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We examine the Series 4 Flexxo Gen2 BBH3285GB – a battery-power vacuum by Bosch, comparing runtime, dust tank, and costs, with – KVA 2 by Karcher, analysing real-world vacuuming performance.
By assessing these vacuums – the Series 4 Flexxo Gen2 BBH3285GB and KVA 2 from BOSCH and KARCHER, you get the best floorcare machine.
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Get DealBOSCH Series 4 Flexxo Gen2 BBH3285GB vs KARCHER KVA 2 – key Specifications
BOSCH Series 4 Flexxo Gen2 BBH3285GB Specs

- Product Brand: BOSCH
- Cordless Vacuum Model: Series 4 Flexxo Gen2 BBH3285GB
- Type of Vacuum: Stick
- Battery Life: 55 Minutes
- Dirt Tank Capacity: 0.4L
- Weight: 3KG
- Colour: Midnight Sapphire
- RRP: £179.00
KARCHER KVA 2 Specs

- Product Brand: KARCHER
- Cordless Vacuum Model: KVA 2
- Type of Vacuum: Stick
- Battery Life: 40 Minutes
- Dirt Tank Capacity: 0.6L
- Weight: 2.1KG
- Colour: White
- RRP: £119.00
Series 4 Flexxo Gen2 BBH3285GB and KVA 2 Cordless Battery Run Time
BOSCH Stick cordless vacuums, like the Series 4 Flexxo Gen2 BBH3285GB, provides lightweight portability without mains cables. KVA 2 Stick is also cordlessly powered by a KARCHER rechargeable battery.
The Karcher KVA 2 has a battery supply runtime of 40 minutes of cleaning, compared to the Bosch Series 4 Flexxo Gen2 BBH3285GB which has 55 minutes life.
- BOSCH Series 4 Flexxo Gen2 BBH3285GB Runtime: 55 mins continuous vacuuming
- KARCHER KVA 2 Runtime: 40 mins continuous vacuuming
Charging times between the Series 4 Flexxo Gen2 BBH3285GB and KVA 2 varies – check manual.
Cordless Vacuum Dust Tank Capacity
Both Bosch Series 4 Flexxo Gen2 BBH3285GB and Karcher KVA 2 are bagless, storing dust, hairs, dirt, and debris inside a sealed 0.4 litre and 0.6 litre tank, respectively. The KVA 2 by KARCHER holds up to 0.6 Litre of compressed dirty particles. The Series 4 Flexxo Gen2 BBH3285GB by BOSCH has a capable capacity of 0.4 litre for manual disposable.
- Series 4 Flexxo Gen2 BBH3285GB onboard dirt/dust tank size: 0.4L
- KVA 2 onboard dirt/dust tank size: 0.6L
Floor Cleaning Types
Bosch’s Series 4 Flexxo Gen2 BBH3285GB and Karcher’s KVA 2 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 KVA 2 and Series 4 Flexxo Gen2 BBH3285GB can’t vacuum liquids. For this, a KARCHER or BOSCH ‘wet and dry’ vacuum is needed.
Most Bosch and Karcher battery powered vacuums include accessories. Check Series 4 Flexxo Gen2 BBH3285GB or KVA 2 manual for specifications and attachments.
Vacuum Filtration
The KVA 2 and BOSCH Series 4 Flexxo Gen2 BBH3285GB include effective filters to capture dust, dander, pollen, hairs, and fibres.
BOSCH and KARCHER use HEPA, foam, or cloth, filters. Series 4 Flexxo Gen2 BBH3285GB and KVA 2 maintain suction and clean exhaust air.
KARCHER and BOSCH Reviews
Combined feedback from 12 reviewers shows the Series 4 Flexxo Gen2 BBH3285GB with a rating of 4.6/5 stars, and the KVA 2 vacuum gains a 4.4/5 average from 20 reviews, showing comparable reliability results.
| Brand | Model | Runtime | Weight | Tank | Best Price |
| BOSCH | Series 4 Flexxo Gen2 BBH3285GB | 55 M | 3 | 0.4L | £179.00 |
| KARCHER | KVA 2 | 40 M | 2.1 | 0.6L | £119.00 |
Best Buy: Shark PowerPro Cordless Stick Vacuum
Best cordless vacuum – Shark PowerPro – beating Series 4 Flexxo Gen2 BBH3285GB and KVA 2 on performance and value
Limited Offer
Get Deal