Energizer Zero-Mercury Battery, Miniature, Alkaline Manganese Dioxide, A544 Battery, 178 mAh Battery, 6 V Battery, 30 kOhm Internal, 0.16 mA Maximum Discharge, 3.6 V Discharge Cut-Off, Replacement for: 1181A, A23BP, DL21, DL23, MN-21B, MN21, V23GA, Metal Case, Suitable for: Keyless Entry and Garage Door Openers
