ISO 9002 - Standard defining procedures and systems used to attain an internationally recognized level of production quality. ISO 9002 certification is proof that the quality system effectively complies with the standard. Certification is carried out by an official organization (AFAQ), unaffiliated with either clients or suppliers or the company itself, and is valid for a three-year period with yearly audits and checks.
C-Rate (also see Hourly Rate) - Discharge or charge current, in amperes, expressed in multiples of the rated capacity. For example, C/10 discharge current for a battery rated at 1.5 Ah is:
Coulomb - The amount of electricity transported by a current of one ampere flowing for one second.
Energy - The output capability of a cell or battery, usually expressed in watt-hours.
Service Life - The period of useful life of a battery before a predetermined end-point voltage is reached.
Volumetric Energy Density - The ratio of the energy output of a cell or battery to its volume (Wh/L).
Voltage Reversal - The changing of the normal polarity of a battery due to overdischarge.
