Power Plants Knapsack Automatic Mixing Electric Sprayer 20L Plus (Lithium Battery) Key Features: ✅ Lithium Battery – Fast Charging, Lightweight & Longer Cycle Life ✅ Automatic Mixing – Stir while sprays at the right ratio for consistent results ✅ 3 Modes – Spray, Mix, or Spray + Mix ✅ Dual-core power, double-pump pressurization for stronger performance ✅ Electric switch, one-key start/stop, adjustable power knob ✅ Ergonomic Design – Comfortable curved backpack design ✅ Long Battery Life – Up to 3 hours of operation (Maximum Power） 🌳Suitable For Various Applications:Large-scale farmland, orchards, greenhouses, solution mixing, sanitizing and spraying of pesticides and fertilizers.