Exell Battery Door Lock 6V 4-Cell Battery Pack Fits 884952, A28110, A28100, DL-12/4, HTL-11/13, Intellis, MT, CSS5200 FAST USA SHIP Voltage: 6, Amperage: 2200mAh, Chemistry: Alkaline Width: 2.250, Height: 1.970 Exell Battery Hotel Door Lock Batteries