The PortaPump SPA1 1/2E3 12 Volt Submersible Water Pump (2580 GPH, 1/3 HP) is a highly portable, low-voltage submersible pump designed for dewatering and emergency use. The PortaPump SPA1 1/2E3 12 Volt pump operates on 12V DC power, making it ideal for mobile applications, boats, or remote job sites. Delivering 2,580 GPH with a 1/3 HP motor, this pump is excellent for removing clean or slightly dirty water from basements, construction sites, and marine bilges efficiently and quickly.