The Neptune VN-12 16L Knapsack Battery Operated Garden Sprayer is a great choice for those looking for a reliable and durable battery operated garden sprayer. This garden sprayer is made with a high quality plastic and metal construction that is built to last. Looking for a battery-operated backpack Sprayer specifically designed for vineyards? Look no further than the Neptune VN-12. This backpack Sprayer has a 16-litre capacity and 12-volt battery, perfect for spraying large areas. The yellow colour is perfect for vineyards, and the dimensions (37x47x19 cm) make it easy to carry and maneuver.