operation manual
40
Charge the battery via the charging cable
6 Charge the battery via the
charging cable
In case of a low battery capacity, please check whether
you have chosen a suitable location with sucient light.
If this is not the case, mount the alarm siren at another
location.
Alternatively, you can charge the battery using the micro
USB port (E) .
Switch the alarm siren o (OFF) using the switch
(G), as the alarm siren is not in normal operating
state during charging.
• Connect the micro-USB cable to the 5 V pow-
er supply unit and the micro-USB socket of the
alarm siren (E).
The recommended charging time of a fully dis-
charged battery is 12 hours. The alarm siren is
equipped with an overcharging protection, which
prevents the battery from overcharging.