Waterbuster Cordless Pump 

This submersible pump is a great way to remove unwanted water from boats, pool covers, aquariums and sump pits. Convenient and safe because it needs no electrical cord. It runs up to 5 hours on three alkaline "D" batteries. Lifts water up to 40" and includes a 42" hose with garden hose adapter. Not for use as a permanent bilge pump.
GPH: 200, Size: 6-3/8" H x 5-1/4" Dia.