Liberty Pumps 441 12 V Battery Backup Sump Pump System
Brand: Liberty Pumps | SKU: 441
Product Overview
The 441 provides an automatic backup sump pump alongside a 120 V primary pump when utility power fails. It uses a separately purchased 12 V deep cycle battery, a compact vertical switch, a 1.5 A three-stage charger, and an audible alarm to alert you when the backup is running. Confirm pit space and discharge connections before installation.
Key Features
- 12 V submersible backup pump and battery box; battery sold separately
- 1.5 A charger with maintenance mode and status LED
- Audible in-use alarm and automatic float switch
Common Uses
Battery powered emergency sump protection for a home with a primary 120 V pump.
Technical Specifications
12 V DC backup pump; 120 V AC charger input; 1.5 A charger output; pump cord 8 ft; charger cord 6 ft; Group 27 or 31 deep cycle wet cell or AGM battery not included.
Compatibility & Installation Notes
Install as a backup to a primary sump pump and follow the manufacturer’s wiring, charging, and testing instructions. Battery is not included.
FAQs
Is the battery included? No. A compatible Group 27 or 31 12 V deep cycle battery is purchased separately.
Why Buy from Big Frog Supply
Choose the Liberty Pumps 441 backup system with its charger and compact float switch for the job you are planning.






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