Side by side
Comparing XSTO X12 Pro, XSTO X12
Choose two or three models. Rows are lined up by what they measure, and every figure is XSTO’s own – where a model uses a different label, it is shown in small print.
| Specification | Stair-climbing mobility robot XSTO X12 Pro | Stair-climbing mobility robot XSTO X12 |
|---|---|---|
| At a glance | ||
| In short | The stair-climbing X12 with a powered, elevating legrest. | A stair-climbing, all-terrain mobility robot that keeps its seat level. |
| Good for | Stairs, Outdoors, Rough ground, At home | Stairs, Outdoors, Rough ground, At home |
| Climbs stairs | Yes, with you seated | Yes, with you seated |
| UK class | Not stated by XSTO | Not stated by XSTO |
| UK sellers found | Yes | Yes |
| Performance | ||
| Maximum load | 136 kgMaximum load (user plus luggage) | 136 kgMaximum load (user plus luggage) |
| Top speed | 0–12 km/hSpeed range | 0–12 km/hSpeed range |
| Range | 35 kmRange on flat ground | 35 kmRange on flat ground |
| Stair-climbing speed | 25 steps a minute up, 30 down | 25 steps a minute up, 30 down |
| Slope / climbing | 15° on wheels, 40° on tracksClimbing ability | 15° on wheels, 40° on tracksClimbing ability |
| Obstacle clearance | 100 mm front / 220 mm rear | 100 mm front / 220 mm rear |
| Gap crossing width | Under 180 mm on wheels, under 300 mm on tracks | Under 180 mm on wheels, under 300 mm on tracks |
| Stairs | ||
| Step height | Step height under 200 mm, stair angle under 35°Compatible steps | Step height under 200 mm, stair angle under 35°Compatible steps |
| Landing space needed | L-shaped turn 1400 × 1400 mm; U-shaped turn 1400 × 2000 mm | L-shaped turn 1400 × 1400 mm; U-shaped turn 1400 × 2000 mm |
| Drive modes | Four-wheel mode, wheel-and-track hybrid mode, twin-track mode | Four-wheel mode, wheel-and-track hybrid mode, twin-track mode |
| Dimensions | ||
| Weight | 116 kg (UK distributor quotes about 115.8 kg)Weight without batteries | 115 kg (UK distributor quotes 112.8 kg)Weight without batteries |
| Folded (L × W × H) | 1200 × 685 × 617 mm (store page; 1185 mm long on the corporate page) | 1200 × 685 × 617 mm (store page; 1185 mm long on the corporate page) |
| Unfolded (L × W × H) | 1210 × 685 × 1550 mm | 1210 × 685 × 1550 mm |
| Seating | ||
| Legrest | Electric (powered elevating) | Manual |
| Seat height | 490–762 mmSeat height (lifting range) | 490–762 mmSeat height (lifting range) |
| Seat tilt | -8° to 40° | -8° to 40° |
| Backrest recline | 90–121° | 90–121° |
| Seat size range | Depth 380–435 mm; width 390–440 mm | Depth 380–435 mm; width 390–440 mm |
| Boarding | From the front or the side | From the front or the side |
| Battery | ||
| Battery | Two lithium batteries, 25.2 V 25.6 Ah eachBatteries | Two lithium batteries, 25.2 V 25.6 Ah eachBatteries |
| Charge time | 6.5 hours × 2 | 6.5 hours × 2 |
| Safety | ||
| Sensors | LiDAR collision warning, rear parking radar, alert for a drop or step ahead | LiDAR collision warning, rear parking radar, alert for a drop or step ahead |
| Next steps | ||
| Find out more | Full details for XSTO X12 Pro XSTO’s page for XSTO X12 Pro (opens in a new tab) | Full details for XSTO X12 XSTO’s page for XSTO X12 (opens in a new tab) |
Figures are XSTO’s published specifications, checked September 2026. “Not listed” means we did not find that figure for that model. Always confirm the details that matter to you with the seller.