This emergency kit allows the Phoebe LED Galanos integrated LED panel to operate without mains power for up to 3 hours.Contains a built-in lithium battery, with self-test function and charging indicator to help ensure the emergency kit is ready for use at all times.Features a constant wattage emergency driver, switches between charge and discharging with power cut and restoration.Please note that this emergency kit is only compatible with Phoebe LED Galanos 36W Integrated LED Panel - part numbers 5988, 5989 and 5990.