- Self-contained emergency lighting LED driver with DALI interface & automatic test function - Iithium battery intelligent automatic recharging - Constant power output - For LED modules with a forward voltage 6-54V - Low profile casing (21 x 30 mm cross-section) - 3h emergency operation - Lithium batteries (LiFePO4) - Over discharge protection - Two colours status display LED - Bulit-in - SELV equivalent - Protection class II