Basement Watchdog 9-in Plastic/Battery fluid Battery

Maintenance Free - No need to add battery fluid or distilled water

Compatible with all versions of the Basement Watchdog Emergency (BWE), Combination (DFK961, CITE-33), Special+ (BWSP+), Big Dog+ (BWD12-120C+) and Big Combination (BW4000, CITS-50) with the Special + backup system

Up to 40-hour protection (based on a 10% duty cycle) on the Basement Watchdog Big Dog+ sump pump system (BWD12-120C+)

Up to 48-hour protection (based on a 10% duty cycle) on the Basement Watchdog Special + (BWSP+) and Basement Watchdog Big Combination sump pump system (BW4000, CITS-50)

Up to 80-hour protection (based on a 10% duty cycle) on the Basement Watchdog Emergency (BWE) and Basement Watchdog Combination (DFK961, CITE-33) sump pump system

Runs pump intermittently for days

Please note this battery is not compatible with older versions of the Basement Watchdog Special (BWSP), Basement Watchdog Big Dog (BWD12-120C) or Basement Watchdog Big Combination (BW4000) systems

1-Year limited warranty