Basement Watchdog 30HDC140S Basement Watchdog Back-Up Sump Pump Battery Compatible with any Basement Watchdog battery backup sump pump system Pumps intermittently for days to help protect your basement Provides longer run times than the Basement Watchdog Emergency Standby Battery (model 24EP6) Accommodates the Basement Watchdog fluid sensor to sound an alarm when distilled water is needed Shipped without battery fluid to remain fresh until activated Can be easily and safely filled with a 6 qt. battery fluid pack (sold separately Model # Z-PACK) 1 year warranty