DA392, 12V DC (13.7) 1 X 2A PSU, Battery Charging 1 x 7AH Dantech Dantech Electronic Engineering. Specialists in the design and manufacture of electronic equipment for the security industry. Dantech Website PRODUCT DATA SHEET FOR DA392.pdf£41.40DetailsDescriptionDANTECH DA391 DA392, 12V DC (13.7) PSU, 1 x 2A fused output, will house and charge one VRLA battery up to 7Ah capacity. Typical uses are for powering door access controllers, electric releases, maglocks and CCTV cameras. Metal cased enclosure.