Sump Pump Agm Standby Battery, Maintenance-free

Basement watchdog maintenance free agm battery, is completely sealed, for years of reliable service for your battery back up sump pump system without having to add battery fluid or distilled water, compatible with most basement watchdog systems including the basement watchdog emergency #bwe, basement watchdog combination #dfk961, basement watchdog special+ # bwsp+ & basement watchdog big combination sump pump system #bw4000 with special + backup controller, will run the various basement watchdog sump pump systems intermittently for days, connect 2 batteries to increase the run time, bwsp+, bw4000 with special + back up controller, parallel jumper cables required, not included..

• Maintenance free - no need to add battery fluid or distilled water
• Compatible with all versions of the Basement Watchdog Emergency (BWE), Basement Watchdog Combination (DFK961) and the newest version of the Basement Watchdog special, the special+ (BWSP+) and Basement Watchdog Big combination sump pump systems (BW4000)
• Up to 48 hours of protection (based on a 10% duty cycle) on the Basement Watchdog Special + (BWSP+) and Basement Watchdog Big combination sump pump system (BW4000)
• Up to 80 hours of protection (based on a 10% duty cycle) on the Basement Watchdog Emergency (BWE) and Basement Watchdog combination sump pump system
• Runs pump intermittently for days
• Please note this battery is not compatible with older versions of the Basement Watchdog Special or Basement Watchdog Big Dog systems