RECOMMENDED REPLACEMENT BATTERIES
WHELEN RECOMMENDS CHANGING OUT THE BATTERIES IN OUR SIRENS EVERY 3 YEARS.
FAILURE TO USE THE RECOMMENDED BATTERIES WILL VOID YOUR WARRANTY. SUBSTITUTIONS MAY CAUSE DAMAGE TO THE EQUIPMENT AND SAFETY HAZARDS.
IPS400™ / IPS800™- Power Sonic model PS-12550 U
- Universal Battery model UB-12550
- Enersys model NP55-12FR
- Power Sonic model PS-12550 U
- Exide model 78-84N
- Delco model S2000
- Interstate Workaholic model 31-MHD
- Deka 7T31
All products proudly designed, manufactured and assembled in the U.S.A. 
Copyright Whelen Engineering, Inc.
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