These disposable, cylindrical, 12V, alkaline batteries, made by the well-known company GP, are particularly suitable for devices which need repeated power bursts over an extended period without significant performance loss. Such devices include remote control units used for anti-theft alarms, garage door openers and other security key fobs. These batteries are also suitable for some types of photographic lighting and can be used as a compatible replacement for MN21, V236A and 8LR23 batteries. The alkaline battery chemistry utilised in this cell enables it to have a nominal 12V voltage which is large for a small cylindrical battery measuring just 10. 22 mm in diameter and 28. 5 mm in height. The capacity of this cell is 55 mAh and the weight less than 8 g. It maintains good .
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