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Standby Batteries

 
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Maintenance Free AGM Battery

Model BW-27AGM

FEATURES AND BENEFITS:

  • No need to add battery fluid or distilled water
  • Runs our backup sump pump intermittently for days
  • Lasts longer in standby operation
  • Purchase a Basement Watchdog AGM battery with a Basement Watchdog backup or combo system** and receive a FREE 1-year extended warranty on both

** The Big Dog, Special, Big Combo systems that include the Remote Terminal are compatible with the Basement Watchdog Maintenance Free/AGM Battery

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Big Wet Cell Battery

Model 30HDC140S

FEATURES AND BENEFITS:

  • Runs our backup sump pump intermittently for days
  • Lasts longer in standby operation
  • Accommodates our exclusive battery fluid sensor
  • 1-year FREE REPLACEMENT warranty
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Emergency Wet Cell Battery

Model 24EP6

FEATURES AND BENEFITS:

  • Runs our backup sump pump intermittently for days
  • Lasts longer in standby operation
  • Accommodates our exclusive battery fluid sensor
  • 1-year FREE REPLACEMENT warranty
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Battery Fluid

Model Z-PACK

FEATURES AND BENEFITS:

 

 Standby batteries 101

The right battery for the right application

Why Basement Watchdog Batteries? 
  • Basement Watchdog batteries are standby batteries - made to be discharged and recharged
  • Will last longer and perform better than automotive or deep cycle batteries in a backup application
  • Basement Watchdog backup and combo systems include a special battery cap to accommodate battery fluid sensor
  • Very high reserve capacity; can run the Basement Watchdog backup systems continuously for hours or intermittently for days
Unique construction:
  • Heavy duty plates store more energy and provide longer run times
  • Standby construction allows the battery to last longer
  • Years of useful life
  • The wet cell batteries accommodate the Basement Watchdog fluid sensor which sounds an alarm when water is needed

 

 

 BATTERY COMPARISON CHART

 
Watchdog_30HDC140S
Big Standby Battery
  
Watchdog_24EP6
Emergency Standby Battery
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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.

** Older versions, before 2014 of the Basement Watchdog Special, Basement Watchdog Big Dog and Basement Watchdog Big Combo systems may not be compatible with maintenance free batteries. Using a maintenance free battery with an older system may cause false alarms. Please call us at (800) 991-0466 opt. 3 for questions about compatibility.

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