Power Sag - Voltage below 80% to 85% of rated RMS voltage for one or more cycles.
Intermittent Test - A test during which a battery is subjected to alternate periods of discharge and rest according to a specified discharge regime.
Absorption - The taking up or retention of one material by another by chemical or molecular action.
Micro-outage (or micro-interruption) - Total loss in the supply of power for 10 ms.
UL - Underwriters Laboratories (UL) is a non-governmental, non-profit certification organization in the United States in which not only government authorities are represented, but also consumer groups, "export" services, research, etc. Following certification, a product may bear the UL label.
Electrolyte - The medium which provides the ion transport mechanism between the positive and negative electrodes of a cell.
Volumetric Energy Density - The ratio of the energy output of a cell or battery to its volume (Wh/L).
