Storm4 Max is designed specifically for the needs of clients with a larger bodyshape. Its longer chassis supports the shifted centre of bodymass for improved weight distribution and swift mobility. Extra strong arm- and legrest support the clients needs to push themselves back to re-position or do some type of pressure relief.
| The following specifications may only comply to some variants. |
| Programmable |
| Powered recline |
| Powered tilt |
| Powered legrests |
| Optional motorized attendant control |
| Suspension |
| Rear-wheel-driven |
| Can be used as seat in a car |
| User weight, max: | 220 | kg |
| External width: | 71 | cm |
| External length: | 139 | cm |
| Weight: | 175 | kg |
| Speed, max: | 6 | km/t |
| Driving distance range, fully charged: | 31 | km |
| Seat height, min: | 48 | cm |
| Seat height, max: | 51 | cm |
| Back rest recline, max: | 15 | ° |
| Tilt-in-space forward : | 0 | ° |
| Tilt-in-space back: | 25 | ° |
| Ground clearance: | 7 | cm |
| Turning diameter: | 208 | cm |
| Slope, max: | 6 | ° |
| Climbs obstacles of max: | 6 | cm |
