The battery must be replaced according to the manufacturer's instructions. Smoke alarms have a battery change indicator that signals a low battery by means of a signal tone and, if necessary, a light emitting diode.
|Product:||Remote smoke detector RM L 3101||Smoke detector RM L 3100||Smoke detector RM C 9010||
WiFi Smoke and heat detector WRHM01
|fixed lithium battery||fixed lithium-ion battery||9v Block-battery||2x Batteries (Mignon AA LR6)|
|Batterielebensdauer:||approx.. 10 Years||approx.. 10 Years||approx.. 1 Year||approx.. 1 Years|