Kärcher Floor cleaner FC 4-4 Duo
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BESKRIVNING
Precision cleaning: The FC 4-4 removes dry and wet everyday dirt quickly and precisely with its two cleaning modes. Includes four rechargeable batteries and a duo quick charger.
With the FC 4-4 floor scrubber, you no longer need to vacuum before mopping and can remove both dry and wet everyday dirt in one step. With an operating time of up to 30 minutes per battery charge, areas of up to 90 square meters can be cleaned easily. The included quick charger can charge two batteries in just 70 minutes. The addition of two additional batteries means you can continue cleaning while the batteries are charging. A visual signal message informs the user when the clean water tank needs to be filled and the dirty water tank needs to be emptied. After the device has been activated, both rollers are automatically moistened with water from the clean water tank. The water quantity can be adjusted to the type of floor using the two cleaning modes. The FC 4-4 also cleans hard-to-reach areas and picks up hair with ease. Direct contact with dirt is avoided thanks to the integrated and hygienic dirty water tank, which can be removed and washed after cleaning. The 4 V Kärcher Battery Power rechargeable batteries offer even more flexibility and are compatible with all 4 V Kärcher Battery Power devices.
Features and benefits
All in one: Removes all types of dry and wet everyday dirt in a single step
50 percent time savings: The coarse dirt pickup technology allows wiping without having to vacuum beforehand. Optimal hair vacuuming with integrated hair filter. Cleans right up to the edge.
When wiping, the floor cleaner achieves 20 percent* cleaner results than a mop
2-tank system: The rollers are constantly moistened from the fresh water tank while the dirt is directed to the dirty water tank. Effortless: You don't have to carry around a heavy scrubbing bucket. The rollers are machine washable at 60°C.
Two different cleaning modes
The rotation speed of the rollers and the amount of water can be adjusted according to the type of dirt and floor. For all hard floors such as parquet, laminate, cork, stone, linoleum and PVC floors. Low residual moisture means that the floors can be walked on again after about 2 minutes.4 V Kärcher Battery Power
- Long-lasting and powerful thanks to Li-Ion cells.
- The rechargeable battery can be used in all other 4 V Kärcher Battery Power devices.
Two different cleaning modes and boost function
- The rotation speed of the rollers and the amount of water can be adjusted according to the type of dirt and floor, with a Boost function for stubborn dirt.
- Easy cleaning under furniture and around objects.
Parking and cleaning station
- Visual signal when the clean water tank is empty and the dirty water tank is full.
- Balanced ratio: the dirty water tank is full when the fresh water tank is empty.
Easy cleaning of the floor scrubber
- Unit and roller cleaning function.
- Practical storage of accessories in the cleaning station.
- The dishwasher-safe dirty water tank can be emptied without contact with the dirt.
Removable handle and parking station with roller storage
- Space-saving storage thanks to the adjustable storage height, which can be reduced by approximately 30 cm.
- The rolls can be stored directly at the parking station.
Extremely quiet
- Comfortable volume of only 57 dB.
Specifications
Technical data
| Battery-powered device | |
| Battery platform | 4 V Battery Platform |
| Fresh water tank volume (ml) | 400 |
| Waste water tank volume (ml) | 200 |
| Roller working width (mm) | 300 |
| Floor drying time (min) | about 2 |
| Sound pressure level (dB(A)) | 57 |
| Battery type | Rechargeable battery |
| Voltage (V) | nominal 7.2 - 7.4 - Max. 8.4 |
| Capacity (Ah) | 2.5 |
| Number of batteries required (Piece(s)) | 2 |
| Performance per battery charge (m²) | about 90 (2.5 Ah) |
| Operating time per battery charge (min) | about 30 (2.5 Ah) |
| Battery charging time with fast charger 80%/100% (min) | 50 / 70 |
| Output power (A) | 2x2.5 |
| Battery charger power supply (V/ Hz ) | 100 - 240 / 50 - 60 |
| Weight without accessories (kg) | 3.4 |
| Weight incl. packaging (kg) | 6.5 |
| Dimensions (L × W × H) (mm) | 225 x 310 x 1200 |
*The floor scrubbers achieve up to 20 percent better cleaning performance compared to regular mopping in the “Wipe” test category. Refers to average test results in cleaning efficiency, dirt pickup and edge cleaning.
**Kärcher floor cleaners cut cleaning time by up to 50% because common household dirt can be removed from hard floors in a single step, eliminating the need to vacuum before mopping the floor.
The following is included
- Variant: Including battery and charger
- Rechargeable battery: 2.5 Ah Battery Power battery (4 pcs.)
- Charger: 4 V fast charger (1 pc.)
- Multi-function brush roller: 2 Part(s)
- Cleaning agent: Universal cleaner RM 536, 30 ml
- Cleaning brush
Standard equipment
- 2-tank system
- The rotation of the roller and the water volume can be adjusted
- Cleaning and parking station with roller storage
- Self-cleaning mode





Areas of use
- Hard floors
- Even stubborn dirt
- Coarse dirt
- Fine dirt
- Dry dirt
- Wet dirt









