Product overview
The Aolan AL4-20 agricultural sprayer drone carries a 20-liter tank and uses two centrifugal nozzles for farm spraying. Its spray system delivers 3.5-4 L/min across a width of 7-9 m, with a spray efficiency of 9-12 hectares/h. Flight speed ranges from 0-12 m/s, flying height from 0-60 m and flying radius from 0-1500 m. Flight time is 10-15 minutes, and wind resistance is 10 m/s.
The AL4-20 folds from spread dimensions of 2400 × 2460 × 630 mm to 955 × 640 × 630 mm. Net weight is 24 kg, with a take-off weight of 55 kg. Its battery specification is 14S 22000 mAh, paired with a 3000W 60A U6Q charger specification. Package dimensions are 1460 × 770 × 900 mm, and gross weight is 90 kg.


