Emergency power battery for alarm systems. Maintenance-free lead accumulator. Nominal voltage: 12V, nominal capacity: 18Ah. Electrolyte bound in glass fiber fleece (AGM technology). Impact- and break-proof plastic housing made of ABS. Can be operated in any position except upside down. Connections: M5 internal thread. VdS-certified. Weight: 5.4kg. Dimensions: 180 x 166 x 74mm.