Exell A24PX 3V Alkaline Battery V24PX RPX24 532 PX24 EPX24 2LR50
General Uses: FRS UPS Back up,Survival Toner Cartridges, 2-Way Radios
Also known as: V24PX, RPX24, A24PX, EPX24, 2LR50, 1308AP
More specific uses: Older Polaroid cameras, Countdown 90 Polaroid cameras, Countdown 70
The 24PX or 532 is an unusual cell often used in older Polaroid cameras. It is a cylindrical battery with one large snap connector at each end.
The older Polaroid cameras models: 103, 104, 125, 135, 210, 215, 315, 320, 330, 420, 430, 440, M60, and Countdown 70 all use one PX24 or No. 532 (3 volt) alkaline battery.
The 335, 350, 360, 450, M80, and Countdown 90 Polaroid cameras use two PX24 or No. 532 batteries, one of which is used for the built-in electronic development timer. The PX24 battery for the development timer can be omitted if this feature isn't needed (for example if you use a stopwatch). - See more at: http://www.batteriesinaflash.com/photographic/alkaline-battery-a24px-replaces-v24px-rpx24-532-px24-epx24-2lr50#sthash.uqJlWh2K.dpuf