Battery Comparison

 Maintenance-Free batteries are compatible with all Basement Watchdog CONNECT® Backup and Combo Systems and Basement Watchdog Emergency Systems. May not be compatible with older versions of Basement Watchdog Special, Big Dog or Big Combo manufactured prior to 2014. Please see compatibility info below.

 
Watchdog_30HDC140S
Big Standby Battery
 
Watchdog_24EP6
Emergency
Battery
batteries_NEW_sm2
Maintenance Free/
AGM Battery**
BATTERY BACKUP SYSTEM RUN TIME*
Big Dog Connect 50 hours Not recommended 40 hours
Special Connect 60 hours Not recommended 48 hours
Emergency 100 hours 50 hours 80 hours
COMBO SYSTEM RUN TIME*
Big Combo 60 hours Not recommended 48 hours
Combo 100 hours 50 hours 80 hours
BATTERY DIMENSIONS
Height 10 inches 10 inches 9 inches
Width 13 inches 10.125 inches 10.25 inches
Depth 6.75 inches 6.5 inches 6.5 inches
Weight 50 lbs. 21 lbs. 50 lbs.
Voltage 12 VDC 12 VDC 12 VDC

* Based on a 10% duty cycle. Run times may vary based on inflow of water.

** Maintenance-Free batteries are compatible with all Basement Watchdog CONNECT® Backup and Combo Systems and Basement Watchdog Emergency Systems. May not be compatible with older versions of Basement Watchdog Special, Big Dog or Big Combo manufactured prior to 2014. Please see compatibility info below. Please call us at (800) 991-0466 opt. 3 for questions about compatibility.

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