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Liberty Pumps - 441 - Battery Back-Up Emergency Sump Pump System

Save $ 109.25
Original price $ 437.00
Current price $ 327.75
SKU 441


Liberty's model 441 takes over when the power goes out.  Operating from the power of a 12 volt deep cycle battery*, the 441 features an efficient 12 volt pump, advance 3-stage charger with switch mode technology and easy wiring with slip connectors.

The 441 is designed as a backup pump and designed to be used in conjunction with a 120V primary pump.

*Battery not included. Liberty Stormcell battery recommended.


  • High output 12 volt submersible pump
  • Automatic, mercury-free switch
  • Control panel
  • Battery box (battery not included)
  • 12 volt charger
  • Tee, check valve and bushings for 1-1/2" or 1-1/4" connections
  • Audible in-use alarm and light
  • Self-resetting 24 hour silence
  • Advanced 1000mA switch mode charger
  • Energy Efficient
  • Meets California CEC standards


  • 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: