The NFPA Code shows a time to replace the batteries, but should the technician wait that. When should standby batteies be replaced in a fire alarm system?
Batteries For Fire Alarms. << < (2/3) > >>. BS5839 part 1 does not recommend a definite battery replacement schedule based on time in use.. . It would be quite possible to remove the batteries from the panel to load test them. You don't .
Is there a minimum period a fire alarm panel battery must be charged?. The industry standard for battery replacement is 4 years unless it fails .
When a battery is getting too weak and needs replacing, your system may send you an alert or show 'Lo Bat' on the keypad display.