Crest factor (Fc) - Ratio between the peak current value to the rms current value.
Safety installation - Installation supplying electrical equipment which may have a direct effect on the safety of users and must therefore remain energized even in the event of a mains failure. In general, characteristics concerning the power supply and conditions for transfer to the safety source for such electrical equipment are covered by applicable regulations.
Dry Cell - A cell with immobilized electrolyte. The term "dry cell" is often used to describe the Leclanche cell.
Separator - An ionic permeable electronically nonconductive spacer or material which prevents electronic contact between electrodes of opposite polarity in the same cell.
Hertz - The standard unit of frequency. A frequency of one complete cycle per second is a frequency of one hertz.
Volumetric Energy Density - The ratio of the energy output of a cell or battery to its volume (Wh/L).
Absorption - The taking up or retention of one material by another by chemical or molecular action.