Liberty Pumps Battery Back-Up Sump Pump

The Liberty Pumps 441 is a 12-volt battery back-up emergency sump pump system. It installs in the sump next to a 120 V primary pump and runs automatically from a deep-cycle battery when the power fails.

Key features

• High-output 12 V submersible pump with integral check valve
• Automatic, mercury-free vertical float switch for compact pits
• Audible in-use alarm and light; silence feature resets automatically after 24 hours
• 1.5 A switch-mode charger with 3-stage charge cycle and 3-color status LED
• Reverse battery, short circuit and overload protection
• Charger meets California CEC and US/Canada energy efficiency standards

Specifications

• Brand: Liberty Pumps
• Manufacturer part number: 441
• Type: 12 V DC battery back-up sump pump system
• Discharge: Adapts to 1-1/2" or 1-1/4" discharge
• Charger input: 120 VAC, 50/60 Hz, 0.35 A
• Charger output: 12 VDC, 1.5 A
• Battery: 12 V deep-cycle, Group 27 or Group 31 (not included)
• Cords: 6 ft on charger, 8 ft on pump
• UPC: 671812108170

What's included

• 12 V submersible pump with integral check valve
• Automatic float switch
• Control panel
• Battery box (battery not included)
• 12 V charger
• Tee and primary pump check valve for 1-1/2" discharge

Liberty Pumps notes that battery run time depends on pump cycles, cycle length and pumping head: up to about 4.25 hours of continuous running, or up to 6 days under its stated cycling condition (10 gallons per cycle at 10 ft of lift, 4 cycles per hour).

Questions about fit or compatibility? Ask our team. We usually reply within one business day.