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12. Battery 
This alarm is powered by a sealed lithium battery system. No battery installation or replacement is 
necessary for the life of the alarm. 
NOTE: Constant exposure to high or low humidity or temperatures may reduce battery life.
 WARNING:  NO SERVICEABLE PARTS INCLUDED. DO NOT ATTEMPT TO OPEN THE ALARM 
FOR ANY REASON! DO NOT TRY TO REPAIR THE ALARM YOURSELF.
LOW BATTERY
This alarm is equipped with a low battery monitor circuit. If the battery capacity is nearing the point 
where it can no longer provide adequate power for all alarm functions, the low battery condition will 
occur. See Troubleshooting Guide. The unit must be replaced within 7 days of the first occurrence of the 
“Low Battery Warning” to provide continuous alarm detection.
 CAUTION: THE BATTERY USED IN THIS DEVICE MAY PRESENT A FIRE OR CHEMICAL 
BURN HAZARD IF MISTREATED. DO NOT RECHARGE, DISASSEMBLE, HEAT ABOVE 100°C 
212°F OR DISPOSE OF IN FIRE.
 WARNING: Failure to properly install and activate this alarm will prevent proper operation of this 
alarm and will prevent its response to fire and CO hazards.