Comelit PAC Power Supply with 12VDC Battery Charger (No DIN Rail) at 50W

Battery charger leads are supplied as standard to easily connect a battery back-up capability. For battery back-up the following batteries are needed in addition: 1 x 7Ah 12V DC battery is required for a 12V DC PSU 2 × 7Ah 12V DC batteries connected in series are needed for a 24V DC PSU