The Exell 455 45v Alkaline Battery (NEDA 201, EB-455, 30F40) provides you with an efficient and long-lasting performance for your portable devices. This battery can be used in vintage cameras or even complicated medical testing equipment. It is an excellent substitute for carbon-zinc batteries that are commonly used in radios and industrial applications. This battery is widely used in brownie meters, test meters, test equipment, and other similar analogue devices. The Exell 455 45v Alkaline Battery (NEDA 201, EB-455, 30F40) has an alkaline cell that lasts longer than conventional carbon-zinc batteries.