Exell A21PX 4.5V Alkaline Battery 1306AP, 3LR50, 523, 6135-99-114-1239, A133, A21, A21PX, APX21, BA-1098, EN133A, EPX21, PC133A, PX21, RPX21, U, V21PX, Apple MACINTOSH 512, Apple MACINTOSH 512K E, Apple MACINTOSH PLUS, Apple PARAMETER RANDOM ACCESS MEMORY (PRAM), Bolex H16 MOVIE CAMERA, Praktica EE2, Praktica EE3, Praktica LLC, Praktica PLC2, Praktica PLC3, Praktica VLC, Praktica VLC2, Praktica VLC3
Exell A21PX 4.5V Alkaline Battery 523 EN133A PC133A PX21 1306AP   Exell Batteries not only provide consumers with high efficiency, long-lasting performance, they also function as replacement batteries for an array of common and unique applications. Ranging from vintage camera equipment to sophisticated medical testing equipment, Exell Batteries can meet the needs of all consumers.The A133, or 523, battery is an unusual cell often used in classic cameras. It is used to maintain computer time, date and configuration in certain models of Apple Macintosh computers (Parameter Random Access Memory, Parameter RAM, or just PRAM). This PX21 battery has an NSN number of 6135-99-114-1239 and a US Military part number of BA-1098/U.• Type: Alkaline• Voltage: 4.5V• Amperage: 600mAh• Diameter: 16.8 mm• Height: 49.9 mm• Terminals: Flat ContactsAlso Known As: 1306AP, 3LR50, 523, 6135-99-114-1239, A21, A21PX, A133, APX21, BA-1098/U, EN133A, EPX21, PC133A, PX21, RPX21, V21PXSpecificationsOutput Voltage: 4.5V   Amperage: 600mAh   Chemistry: Alkaline   Height: 49.9mm   Diameter: 16.8mm   Terminal Type: Flat TopCompatibilityApple: MACINTOSH 512, MACINTOSH 512K E, MACINTOSH PLUS, PARAMETER RANDOM ACCESS MEMORY (PRAM)   Bolex: H16 MOVIE CAMERA   Praktica: EE2, EE3, LLC, PLC2, PLC3, VLC, VLC2, VLC3