Ambient Temperature - The average temperature of the surroundings.
Spiral Wound - An electrode structure of high surface area created by winding the electrodes and separator into a spiral-wound, jelly-roll configuration.
Transformer short-circuit voltage (Uscx %) - Relative measurement (%) of the internal impedance of a transformer. This short-circuit impedance is commonly called the short-circuit voltage because it is measured during a short-circuit test (shorted secondary winding subjected to a current set to In). For most common three-phase transformers, this value ranges between 3 and 6%.
Alloy - A mixture of several other metals or a metal and a non-metal.
IR Drop - A voltage drop associated with the electrical resistance (R) of a battery or current flow (I). The voltage drop is the product of the current (in amperes) and the resistance (in ohms).
IEC (International Electrotechnical Commission) - Advisory organization that draws up international standards in the electrotechnical field.
Shelf Life - The duration of storage under specified conditions at the end of which the battery still retains the ability to give a specified performance.