Aftermarket replacement for the hard to find 504 & NEDA 220! This Banshee 15V 60mAh Alkaline battery is the perfect battery to keep your old tools working like new! Guaranteed to meet or exceed the specifications of your old battery. 18 month warranty. Voltage: 15 V. Capacity: 60 mAh. Chemistry: Alkaline. Length: 1.37 inches (34.9 mm). Diameter: 0.59 inches (15.1 mm). Applications= Remote Control Commanders, Flash Units, Flash Guns, Micron P Alarms, AVO Meters, Exposure Meters, Condenser Microphones, Air Pistols & more! Replaces Battery Part Numbers= 10F15, 74, 220, 220A, 504, 504A, 2500, A220, A504, ANSI 220, B154, BLR154, BA332/U, BA332U, BLR154, Burgess Y10, DH554, DRY1720, E504, 504, Exide DH554, GP220, GP 220A, IEC 10F15, KA74, Kodak KA74, M504, Mallory M504, MN154, NEDA 220, Pertrix 74, TR149, V74PX, Varta 74, Varta V149U, W10, W10E, Y10 ...and more! Compatible With Models= Bang & Olufsen's Ultrasonic Remote Control Commanders: Beosystem 2400, Beosystem 6000, Beosystem 6002. Bolsen Flash Unit. Feinwerkbau Model 90 (FWB 90) Air Pistol. Fox Micron P Alarm. Gossen Sixtron Exposure Meter. Kodak Brownie Flashholder 4 Flash Unit. Minox AG-1 Flash Gun. AVO Meter Models: 71, 73. Morini Pistols: 162E, 162EI, CM84E, CM84EL. Nikon BC-7 Flash Unit. Overhead Door R802. Polaroid 202 Flash Gun. 500 Flash Unit. Rollei 16S Flashes. Syncron AU7a Condenser Microphone. Telectron 182532T. Ultrasonic Remote Control Commanders...and more!