Mellif cordless oil pump is compatible with Dewalt 20V batteries(Battery NOT Included), offers excellent freedom from external power sources, making it perfect for outdoor or remote places use. Featuring a high-speed 5000 RPM motor, the oil change pump delivers superior transfer capabilities with a flow rate of up to 300 GPH. Ideal for various diesel transfer applications, the self-priming oil pump efficiently moves up to 300 gallons per hour of oil viscosity ≤ISOVG32. Its portable design, with a unique handle and one-touch switch, ensures easy operation. The transfer pump includes low voltage protection to safeguard your battery and extend the diesel transfer pump's service life. Versatile and efficient, Mellif portable oil transfer pump is suitable for transferring diesel, hydraulic oil, and kerosene, making it ideal for diesel vehicles, excavators, tractors, and oil tanks.