Robot Catalog › Home & Household Robots
Household robot · Japan (based on official sales market)
Kachaka (カチャカ)
Preferred Robotics · On sale
An autonomous robot that docks under dedicated shelves and carries them where you want. The official site lists the business Kachaka Pro and a home model; specs below are for Kachaka Pro.
Where to buy
Coming soon — only sellers we have actually checked are listed.
Specs (official vs user-measured)
| Item | Official / sourced value | User measurements & tips | Comments |
|---|---|---|---|
| Price (as stated) |
Kachaka Pro: under ¥1,000,000 (official wording, exact price not listed) Official
Preferred Robotics — Kachaka Checked 2026-10-16 |
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Community notes
No accepted user notes yet. Only comments with 2+ upvotes or an evidence link are accepted, daily at 18:00 KST. Accepted notes are shown verbatim. | |||
| Size |
240 × 387 × 124 mm (Pro) Official
Preferred Robotics — Kachaka Checked 2026-10-16 |
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Community notes
No accepted user notes yet. Only comments with 2+ upvotes or an evidence link are accepted, daily at 18:00 KST. Accepted notes are shown verbatim. | |||
| Weight |
12.2 kg (Pro) Official
Preferred Robotics — Kachaka Checked 2026-10-16 |
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Community notes
No accepted user notes yet. Only comments with 2+ upvotes or an evidence link are accepted, daily at 18:00 KST. Accepted notes are shown verbatim. | |||
| Mobility / speed |
Up to 0.8 m/s (Pro) Official
Preferred Robotics — Kachaka Checked 2026-10-16 |
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Community notes
No accepted user notes yet. Only comments with 2+ upvotes or an evidence link are accepted, daily at 18:00 KST. Accepted notes are shown verbatim. | |||
| Payload |
Tows 30 kg on hard floors (Pro) Official
Preferred Robotics — Kachaka Checked 2026-10-16 |
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Community notes
No accepted user notes yet. Only comments with 2+ upvotes or an evidence link are accepted, daily at 18:00 KST. Accepted notes are shown verbatim. | |||
| Battery / runtime |
About 2 h running · about 2 h charging (Pro) Official
Preferred Robotics — Kachaka Checked 2026-10-16 |
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Community notes
No accepted user notes yet. Only comments with 2+ upvotes or an evidence link are accepted, daily at 18:00 KST. Accepted notes are shown verbatim. | |||
| Sensors / compute |
LiDAR (12 m), ToF, 2 RGB cameras (Pro) Official
Preferred Robotics — Kachaka Checked 2026-10-16 |
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Community notes
No accepted user notes yet. Only comments with 2+ upvotes or an evidence link are accepted, daily at 18:00 KST. Accepted notes are shown verbatim. | |||
Firmware changelog
Unverified — no sourced firmware records yet.
Sources
- Preferred Robotics — Kachaka Checked 2026-10-16 Official