The Neptune CK-21 is a versatile 2-in-1 knapsack sprayer offering both battery-powered and manual operation for uninterrupted spraying. Equipped with a 12V 8Ah rechargeable battery and a spacious 20-liter tank, it provides extended spraying sessions suitable for large agricultural fields and gardens. Its high-pressure system delivers uniform spraying of pesticides, herbicides, fertilizers, and disinfectants across crops and plants. The sprayer includes four interchangeable nozzles and a stainless steel lance for adjustable spray patterns, enhancing application precision. Designed with chemical-resistant HDPE tank and ergonomic padded shoulder straps, the CK-21 ensures durability and operator comfort during long use. This sprayer is ideal for farmers, gardeners, and pest control professionals requiring reliable, flexible, and efficient spraying.