Liberty Pumps 441 Battery Back-Up Emergency Sump Pump System

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Liberty Pumps Automatic 12V Emergency Sump Pump System The Liberty Pumps 441 Battery Back-Up Emergency Sump Pump System provides essential, round-the-clock protection against basem ent flooding during a power outage or primary pump failure. This 12-volt system automatically activates the moment your 120V primary pump loses power, ensuring your sump pit continues to be emptied. The system includes a high-output 12V submersible pump, a control panel with an audible alarm and warning light, and a smart 1.5A switch-mode charger. Designed for reliability, the 441 features a compact, mercury-free vertical float switch for automatic operation, making it ideal for most sump pits. The advanced charger maintains your battery (sold separately) at peak condition without overcharging. For a complete flood-prevention setup, explore our full range of battery backup sump systems. Key Features: Model: 441 Operation: Fully automatic 12V DC system; activates on power failure. Alerts: Control panel features a loud audible alarm and warning light. Charger: Includes an energy-efficient 1.5A switch-mode battery charger and maintainer. Switch: Compact, mercury-free vertical float switch. Kit Includes: 12V pump, control panel/charger, battery box, and 1-1/2" PVC tee & check valve. Battery (Not Included): Requires a 12V deep-cycle marine battery (Group 27 or 31 StormCell Battery recommended). Specifications: Input: Volts: 120 VAC HZ: 50/60 Amps: 0.35A Output: Volts: 12 VDC Amps: 1000mA Note: Battery life will vary based on number of pump cycles, length of cycle time and pumping head. Under a continuous run condition, the battery will last up to 4.25 hours. Under a cycling condition, (10 gallons per pump cycle at 10' of lift, 4 cycles per hour) the battery will last up to 6 day. Typical Installation Diagram: Show more