Zoeller 508 Battery Backup

12 Volt backup sump pump. Fully automatic, and industry best performance and efficiency. Ideal for the contractor constantly on the move, that needs a durable pump that they can keep in their vehilce. Perfect to pump water out and away from the area you need to work with no need for noisy generators or petrol pumps.

This is the perfect backup pump for sump pumps and can work off 12v/solar. No inverter needed and ideal to protect your property from damage.

Designed using Zoeller's time-tested components giving you the needed performance and reliability.

Download Technical Data PDF


  • 12 V, highly-efficient, non-corrosive pump construction. Supplied with 6' (1.8 m) leads.
  • NOT a Bilge pump. Designed, Engineered and Assembled by Zoeller® as a sump pump
  • Integrated check valve
  • Legs allow free-standing installation
  • Quick disconnect discharge
  • Aluminum seal pocket and cooling plate
  • Hand built and 100% tested in USA
  • Efficient design means more water pumped during emergencies
  • 3-year warranty

(Primary sump pump not included with Model 508)