SPECIFICATIONS Net Weight (including 10 Ah battery) 20 kg Caster wheel 7.5" Rubber tyre Net Weight (excluded battery) 18 kg Drive wheel 8" Rubber tyre Unfold size(L*W*H)930 x 570 x 860 mm Uphill climbing ability 9° Folding size(L*W*H)630 x 570 x 430 mm Drive range 10 km (Indoor)/ 20 km (outdoor)Max. load capacity100kg Max. speed 4.5km/h (Indoor)/ 6 km/h (outdoor)Motor type DC brushless motor Min. turning radius 900 mm (Indoor)/ 1200 mm (outdoor)Motor QTY2PCS 180W Obstacle crossing height 25 mm (Indoor)/ 40 mm (outdoor)Brake systemElectromagnetic brake Gap crossing width 100 mmBattery typeLithium ion battery Seat size(D*W*H) 410mm*400mm*30mm(cushion)Battery Capacity10Ah/20Ah (24V)