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Alkaline battery 12V BAT-23 GA

BAT-23-GA

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BAT-23-GA is a 12V alkaline miniature battery (A23/23A) designed for wireless sensors, keyfobs, remotes and small alarm devices. Suitable for indoor use; consider lithium cells for outdoor or very cold environments.

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BAT-23-GA — 12V alkaline battery for compact wireless devices

BAT-23-GA is a compact 12V alkaline cell intended for powering wireless detectors, remote controls, keyfobs and similar small devices used in alarm and smart home systems. This designation corresponds to the common A23 format (also known as 23A, V23GA, MN21, L1028, GP23A etc.), making replacements widely available.

Use cases

Alkaline BAT-23-GA cells perform well in typical indoor conditions (warm and dry). Modern wireless modules generally have low current draw, so an alkaline A23 battery often provides adequate service life for indoor sensors and remotes in everyday use.

Cold and outdoor recommendations

For devices exposed to outdoor conditions, unheated spaces (garage, shed, container) or very low temperatures, lithium cells are preferable — they maintain better performance in cold weather and normally offer longer service life. Avoid using rechargeable NiMH cells where the device manufacturer specifies non-rechargeable alkaline or lithium batteries.

Key facts and compatibility

  • Nominal voltage: 12 V (alkaline chemistry).
  • Format / equivalents: A23, 23A, V23GA, MN21, L1028, GP23A, etc.
  • Typical applications: wireless alarm sensors, remote controls, keyfobs, small transmitters/receivers.

Practical tips

Choose reputable brands and avoid unknown cheap cells with inconsistent performance. When replacing the battery, check device documentation for polarity and specific recommendations. If the device operates in cold environments, switching to lithium batteries can improve reliability during winter months.

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