This Banshee 15V 60mAh Alkaline Battery is the perfect aftermarket replacement for the hard-to-find Eveready 504 and NEDA 220 batteries. It ensures your old tools and devices continue working like new. Designed to meet or exceed the original specifications, this battery offers reliable performance and longevity. With a voltage of 15V and a capacity of 60mAh, it is built with high-quality alkaline chemistry for consistent power output. Key Features: Voltage: 15V Capacity: 60mAh Battery Chemistry: Alkaline Length: 1.37 inches (34.9mm) Diameter: 0.59 inches (15.1mm) Warranty: 18-month guarantee This versatile battery is compatible with a wide range of devices, including remote control commanders, flash units, flash guns, micron P alarms, AVO meters, exposure meters, condenser microphones, air pistols, and much more! Applications Include: Remote Control Commanders Flash Units and Guns Micron P Alarms AVO Meters Exposure Meters Condenser Microphones Air Pistols Replaces the Following Part Numbers: 10F15, 74, 220, 220A, 504, 504A, 2500, A220, A504, ANSI 220, B154, BLR154, BA332/U, BA332U, BLR154, Burgess Y10, DH554, DRY1720, E504, Eveready 504, Exide DH554, GP220, GP 220A, IEC 10F15, KA74, KA74, M504, Mallory M504, MN154, NEDA 220, Pertrix 74, TR149, V74PX, Varta 74, Varta V149U, W10, W10E, Y10... and many more. Compatible with Devices Such As: Bang & Olufsen 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 Minox AG-1 Flash Gun AVO Meter Models: 71, 73 Morini Pistols: 162E, 162EI, CM84E, CM84EL Nikon BC-7 Flash Unit Polaroid 202 Flash Gun Ricoh 500 Flash Unit Rollei 16S Flashes Syncron AU7a Condenser Microphone And much more! Keep your vintage electronics, tools, and devices powered with this high-performance, reliable battery replacement.