Liberty's model 441 takes over when the power goes out. Operating from the power of a 12 V deep cycle battery, the 441 features an efficient 12 V 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 120 V primary pump.

• Works automatically when power fails
• Automatic 1 A high-efficiency battery charger
• 3-stage charge cycle
• Charges and maintains your battery for peak performance
• 3-color LED shows your charge status at a glance
• At 14.4 V peak, charger automatically switches to maintenance mode
• Designed to prevent over-charging
• Reverse battery and short circuit protection
• Solid state overload protection
• Audible alarm and light advises of emergency pump operation
• Easy wiring with slip-on connectors
• Fully assembled compact float switch
• Audible in use alarm and light
• Self-resetting 24 hr silence
• Advanced 1000 mA switch mode charger
• Energy-efficient
• High output 12 V submersible pump, automatic, mercury-free switch, control panel, battery box (battery not included), 12 V charger, tee, check valve and bushings for 1-1/2 or 1-1/4 in connections included
• 120 VAC input 0.35 A at 50/60 Hz, 12 VDC output at 1000 mA charger
• 3-years limited warranty

Standards/Certifications: cULus listed, FCC, BC, CEC certified

• Catalog https://www.plumbers-supply-co.com//ASSETS/DOCUMENTS/ITEMS/EN/UNI-PS7443_Cat.pdf
• Installation Sheet https://www.plumbers-supply-co.com//ASSETS/DOCUMENTS/ITEMS/EN/UNI-PS7443_Instal.pdf