This battery powered siphon pump is intended for a fast and convenient transfer of diesel, kerosene, light oils and water-based fluids. This is a self-priming pump and has a 3V CC motor. It is suitable for using in 20-litre (5 gallons) container. It is powered by 2 D/LR20 alkaline batteries (not included). The approximate life of a set of batteries is 1,500 litres (396 gallons). A flexible corrugated discharge hose of 600mm (23 1/2") in length is included. At the top of this product, the pump has a hole intended to be hung, and allows the hose to be conveniently stored when not in use. It provides a flow rate of up to 7 litres per minute (1.8 gallons/minute). This pump is perfect for transferring small quantities of fluids on boats, workshops, and small shops.