Check the listing for details. RULE 56D Electric Bilge Pump,ABS,12VDC,2" 4P012. Condition: New. Listed at 410.29 USD. Electric Bilge Pump, Amps 15.5 A, Body Material ABS These electric bilge pumps are battery powered and have a higher flow rate than hand-operated bilge pumps when used to drain a boat's bilge water. They can be connected to a switch or control box for automatic start when the water rises to a certain level in the bilge, and automatic stop when the water is drained down in the bilge to a preset level.Electric bilge pumps are battery powered and have a higher flow rate than hand-operated bilge pumps when used to drain a boat's bilge water. They can be connected to a switch or control box for automatic start when the water rises to a certain level in the bilge, and automatic stop when the water is drained down in the bilge to a preset level.