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Reserve Batteries

Several types of battery have evolved for ordnance and missile applications where the equipment is to be stored, complete with its battery, for a long period. Typically, the battery must be capable of rapid activation and must provide high power for a comparatively short time. In a reserve cell the electrolyte is kept separate from the rest of the battery so that it is inert. Very long shelf lives - up to 20 years - are then possible, but the battery can spring into life almost instantly when activated.