Product Model: VUL-1450 Body Material: Sheet metal with powder coating / ABS plastic Number of Brushes: 1 main + 2 side brushes Steering: Steering wheel Drive System: Pure electric, rear differential drive Braking System: Hydraulic dual-disc brakes Wiring: International integrated harness, waterproof connectors Battery: 48V 85Ah, Tianneng dry-type battery Charger: Intelligent charger Tires: 300-100, solid (non-pneumatic) Cleaning Width: 1.45 m Cleaning Efficiency: 10,000–12,000 m²/h Continuous Working Time: 3–6 hours Gradeability (Climbing Ability): Up to 25% Maximum Working Speed: 0–15 km/h Water Tank Capacity: 100 L Garbage Container Capacity: 180 L Side Brush Diameter: 500 mm Main Brush Length: 700 mm Drive Power: 1200 W Component Power: Main brush: 1000 W Fan: 550 W Side brushes: 90 W × 2 Dust-shaking system: 50 W Turning Radius: 1200 mm Dimensions (L×W×H): 1800 × 1400 × 1400 mm Net Weight: 650 kg