Cylindrical-brush autonomous scrubber with a 22 in cleaning width and 14.5 gal tanks on a 24 V lithium battery. Dealer lists 3.5 h runtime and 25,450 ft2/h (about 2,364 m2/h, converted); 502 lb.
Autonomous and manually drivable scrubber with a 76.7 cm squeegee and 255 Ah battery. Up to 6 h per charge, autonomous max 1.055 m/s, 98-99.5% coverage claimed; weight from a US dealer listing (800 lb).
| Kärcher KIRA B 50 | Nilfisk Liberty SC50 | |
|---|---|---|
| Price | $80,999 | Price on request |
| Status | On sale | On sale |
| Manufacturer | Kärcher (Germany) | Nilfisk (Advance) (Denmark) |
| Type | Autonomous floor scrubber | Autonomous floor scrubber |
| Locomotion | Wheeled | Wheeled |
| Environment | Indoor | Indoor |
| Runtime | 3.5 h | 6 h ▲ |
| Speed | 4.3 km/h ▲ | 3.8 km/h |
| Weight | 228 kg ▲ | 363 kg |
| Height | 119.9 cm | no data |
| Throughput | 2364 | no data |
Some specs are missing for one of the models, so the comparison is incomplete. We only compare values that are published.