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Battery Energizer BAT45.ZN.E1 4.5V single pack (button/coin cell form factor unspecified)
Summary description:
Energizer BAT45.ZN.E1 is a 4.5V battery supplied as a single pack. It provides portable power for compatible low-voltage devices that accept this voltage and form factor. Suitable for replacement in small electronics where a 4.5V source is required. The pack contains one cell and is intended for straightforward swap-in replacement and general-purpose use.