Basement AGM Battery

Basement Watchdog Maintenance Free AGM Battery is completely sealed for years of reliable service for your battery Backup sump pump system without having to add battery fluid or distilled water. It is 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. It will run the various Basement Watchdog sump pump systems intermittently for days. Connect 2 batteries to increase the run time. For Bwsp+, Bw4000 with Special + Backup Controller, parallel jumper cables are required (not included).