AA Disposable Battery Pack, Fits Brand Saflok, Voltage - Batteries 6V DC, Capacity - Batteries 3,112 mAh, Battery Cross-Reference 884952, A28100, A28110, HTL-11, HTL-13, PMI235NT, Fits Model A28100, A28110, MT, Battery Chemistry Alkaline, Height 2.5 in, Width 2.06 in, Depth 0.625 in, Number of Cells - Battery 4, Max. Operating Temp. 130 Degrees F, Min. Operating Temp. -4 Degrees F, Terminal Type - Batteries Wire Leads, Standards ANSI C18.4M, ANSI Z-400.1, GHS, IEC 62474, JAMP AIS