The Neptune BS-21 combines the convenience of a battery-powered sprayer with manual operation backup, offering versatile and uninterrupted spraying for agriculture and garden care. Featuring a powerful 12V 8Ah rechargeable battery, it ensures consistent high-pressure spraying with a broad 20-liter tank capacity to reduce refill breaks. Perfect for pesticides, herbicides, fertilizers, and disinfectants, the sprayer accommodates various crop protection requirements. Users benefit from its ergonomic backpack design with padded straps for comfort during extended use. The adjustable nozzle system allows multiple spray patterns from fine mist to strong jet streams, enhancing application precision. Durable, chemical-resistant materials and a sturdy pump system make the BS-21 a reliable sprayer for fields, orchards, nurseries, and landscaping. Dual operation ensures productivity even if battery power runs low.