The ENERGIZER A23 MN21 Batteries are non-rechargeable alkaline batteries designed for use in security systems, alarm door bells, and other low drain devices. With a nominal voltage of 12V and a capacity of 50mAh, these cylindrical batteries have a chemical composition of manganese dioxide and are packaged in a retail quantity of 2 batteries. The operating temperature range is from -18C to +55C, making them suitable for various applications. The batteries have raised positive and flat negative terminals, providing reliable power for your devices.
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