These simple power supplies accept a mains voltage input of 230V AC @ 50Hz (+/- 10%). The DPS1 provides 1 x 1.5A 12V DC (13.7) and will house and charge one VRLA battery up to 7Ah of capacity. Typical uses for these units include powering door access controllers, electronic door releases, magnetic-locks and CCTV cameras, but they can be used for any equipment requiring 12V DC up to 1.5A.