Small high voltage alkaline battery as used in test meters & photographic equipment etc. As used by the AVO 8 multimeter. Specifications Voltage 22315V277 Capacity 22340m Ah 277 Dimensions 22327x 16x 37mm 27731510 Small high voltage alkaline battery as used in test meters & photographic equipment etc. As used by the AVO 8 multimeter. Specifications Voltage 15 V Capacity 40m Ah Dimensions 27x 16x 37mm Weight 16.1g Cross ref.IEC 10F20 ANSI 208 BLR121 411 101 U10