Enerstar A23 / 23A / MN21 12V Alkaline Batteries – 2-Pack

A23 / 23A Alkaline Battery Articles & Tips

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Purchasing an Enerstar A23 Alkaline Battery
This listing includes two Enerstar A23 / 23A 12 V alkaline batteries. The A23 format is used in certain remote controls, wireless doorbells and security accessories. Match the code and voltage printed on the original battery before ordering; a 27A/A27 cell must not be assumed to fit an A23 holder.

What are mAh and Wh?
mAh describes electrical charge capacity and Wh describes stored energy. Both ratings depend on the testing conditions and the specific cell manufacturer. These A23 cells are primary (non-rechargeable) alkaline batteries; do not recharge them. A numerical capacity has not been claimed for this Enerstar SKU without its datasheet.

Quality & Performance
A23-format alkaline cells are designed for equipment specifying this physical size and nominal 12 V supply. Performance and operating life vary with the device's current draw, environment, storage and usage. Confirm polarity, dimensions and the original battery code; do not substitute a similarly named battery with different chemistry, dimensions or voltage.

Factory Fresh
Even unused batteries can gradually lose capacity during storage. Keep replacement batteries in their original protective packaging until use and follow the manufacturer's storage guidance. No unverified manufacturing date, shelf-life guarantee or certification is claimed for this item.