Domestic independent smoke sensor to replace the battery

Domestic independent smoke detectors are generally powered by 9V batteries, do not need to contact in the socket, very convenient and practical. The battery will be used for a long time the electricity shortage, then you need to replace the battery in time, ensure the alarm time is in normal working condition.

Independent smoke sensor battery performance

We know, household smoke alarm under normal circumstances is not making any noise, and indicating the exhibit of lanterns probably every 40S flashes. When battery power is insufficient, the alarm will be issued a "drop" sound, the buzzer will call once every 50S. People often mistakenly think that is independent of the smoke sensor fault, in fact, is the battery power is low, this is to remind you to change for its battery.

Independent smoke sensor battery replacement method

Domestic independent smoke sensor using the dry battery is 6F22 9V battery, the general store is sold. First you have to buy such a dry battery, and then the smoke is taken down, the battery compartment is generally in the smoke detector on the back, in accordance with the above instructions to open the battery chamber, remove the old battery, 9V battery into new, finally the smoke detector in the back. Note that, because the domestic independent smoke detector need this feature to replace the battery, the installation can not be fixed die too, so as to avoid the maintenance in the future trouble.