Wayne Backup Sump Pump System

12V. Reinforced thermoplastic battery back-up sump pump system. Reliable reed float switch for automatic operation. Professional grade back-up system keeps battery properly charged, requires (1) 40 amp/hr or 75 amp/hr deep cycle battery (sold separately). Alarm lets homeowner know back-up system is active. Designed for easy installation without any major plumbing changes. Corrosion-resistant thermoplastic construction. Battery charger keeps battery properly charged. 2900 GPH at 0 Ft., 2340 GPH at 5 Ft., 1680 GPH at 10 Ft., 600 GPH at 15 Ft., 100 GPH at 20 Ft.