Specifications: 1) Overall dimensions: 905 x 520 x 800mm 2) Folded dimensions: 720 x 520 x 800mm 3) Total weight: 44.5kg (97.9pound) 4) Chair weight: 9.2kg (20.24pound) 5) Weight W/O batteries: 8.5kg (18.7pound) 6) Frame weight: 26kg (57.2pound) 7) Rear basket weight: 0.85kg (1.87pound) 8) Max. speed: 4.8km/h 9) Range: up to 20km 10) Max. load: 100kg 11) Max. climbing slope: 8 degrees 12) Motor power: 300W x 2 13) Battery: 2 x 12V / 12A 14) Charger: AC 110 - 220V / DC 24V 1.8A 15) Max. obstacle height: 45mm 16) Speed control: PG drive VSI controller 17) Braking distance: 0.8m (dry surface) 18) Front wheel size: 2 x 6 inches 19) Rear wheel size: 2 x 6 inches 20) Chair size: 500 x 400mm (width x depth)