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- Romo A2 vs Roomba Combo j9+
DJI Romo A2 vs iRobot Roomba Combo j9+
What Romo A2 does better (6) and where Roomba Combo j9+ wins (2) — every spec side by side.
vs
9.5Navigation2.6
7.8Mopping5.0
7.0Base station5.3
6.5Battery5.9
Dimensions
Size comparison
Romo A2Roomba Combo j9+
| Romo A2 | Roomba Combo j9+ | Difference | |
|---|---|---|---|
| Height | 98 mm | 87 mm | +11 mm |
| Width / diameter | 351 mm | 348 mm | +3 mm |
| Length | 351 mm | 348 mm | +3 mm |
| Weight | 4.9 kg | 4.1 kg | +0.8 kg |
Drawn to the same scale from the official dimensions (front and side).
Why is Romo A2 better than Roomba Combo j9+?
- Obstacle avoidanceAI camera vs Basic sensors (infrared / bumper)
- Mop typeRotating mop pads vs Mop pad
- Base stationAll-in-one dock (empty + wash) vs Auto-empty dock
- Battery capacity5,000 mAh vs 4,500 mAh+11%
- Clean water tank (dock)4 l vs 3 l+33%
- Charging time150 min vs 180 min+20%
Why is Roomba Combo j9+ better than Romo A2?
- Height98 mm vs 87 mm+13%
- Dustbin (robot)215 ml vs 313 ml+46%
Specifications
Side by side
| Suction & cleaning | ||
| Suction power | 36,000 Pa | — |
| Dustbin (robot) | 215 ml | 313 ml |
| Main brush | Dual main brushes | Dual main brushes |
| Anti-tangle brush | Yes | — |
| Side brushes | 2 | 1 |
| Carpet detection | Yes | Yes |
| Dirt detection | — | Yes |
| Navigation & obstacles | ||
| Navigation | Laser (LiDAR) | — |
| Navigation sensors | LiDAR laser (LDS) | Cliff sensors |
| Obstacle avoidance | AI camera | Basic sensors (infrared / bumper) |
| Threshold climbing | 85 mm | — |
| No-go zones / virtual walls | Yes | — |
| Room mapping & room selection | Yes | Yes |
| Mopping | ||
| Mop type | Rotating mop pads | Mop pad |
| Mop lifting on carpets | Yes | Yes |
| Extending mop (edges) | Yes | — |
| Water tank (robot) | — | 210 ml |
| Base station | ||
| Base station | All-in-one dock (empty + wash) | Auto-empty dock |
| Auto-empty dust station | Yes | Yes |
| Dust bag (dock) | 2.4 l | — |
| Mop washing in the dock | Yes | — |
| Hot-water mop washing | Yes | — |
| Hot-air mop drying | Yes | — |
| Automatic water refill | Yes | Yes |
| Clean water tank (dock) | 4 l | 3 l |
| Dirty water tank (dock) | 3.2 l | — |
| Battery & runtime | ||
| Battery capacity | 5,000 mAh | 4,500 mAh |
| Runtime | 180 min | — |
| Charging time | 150 min | 180 min |
| Cleaning area per charge | 178 m² | — |
| Recharge & resume | — | Yes |
| Size & weight | ||
| Width / diameter | 351 mm | 348 mm |
| Length | 351 mm | 348 mm |
| Height | 98 mm | 87 mm |
| Weight | 4.9 kg | 4.1 kg |
| Shape | Round | Round |
| Colours | White, Transparent | Black, Gold |
| App & smart home | ||
| App control | Yes | Yes |
| Voice assistants | — | Amazon Alexa, Google Assistant, Apple Siri |
| Matter | Yes | — |
| Live camera view / video call | Yes | — |
