Battery-powered electric pumps, backpack and shoulder models, designed for spraying, gardening, horticulture, localized treatments, and disinfection of small and medium surfaces. Practical, lightweight, and easy to transport, they allow working without continuous manual operation, reducing operator fatigue compared to traditional pumps. They are suitable for treatments on plants, vegetable gardens, greenhouses, gardens, hedges, and green areas where regular solution distribution with greater user comfort is needed.