Hydropump RH1400 Battery Powered Backup Sump Pump BACKUP SUMP PUMP - Premium, battery powered backup sump pump system. Heavy duty motor for long life. RELIABLE - State of the art charger for reliable battery charging. EASY INSTALLATION - Plug and play design for easy installation. Pump is mounted outside the sump pit. HIGH CAPACITY - Pumps an average of 1800 Gallons Per Hour. DURABLE - High quality pump motor with heavy duty plastic case. Stainless Steel pump mounting bracket.