- When this optional rechargeable battery pack is installed, the "evacuation light" function becomes available.
- When the mains voltage is lost, the emergency lighting is activated automatically.
- At 80% light output, the battery has an autonomy of +/-2 hours. The autonomy can be extended by further dimming the light output of the evacuation function to for example 50%.
- The Li-ion battery 18V / 5.2Ah (93.6Wh) is automatically charged in the BT-VENUELITE.