Attwood Waterbuster Battery Operated Portable Water Pump This submersible pump is a great way to remove unwanted water from boats, pool covers, aquariums and sump pits. Convenient and safe, too, because it needs no electrical cord runs up to 5 hours on three alkaline D batteries. Excellent for use as a portable pump-out device for paddle boats, inflatables, duck boats, dingies and kayaks. Any craft that lacks a hard-wire, permanent electrical system. The Attwood Waterbuster is made of high-impa