Battery or accumulators definition
Battery or accumulators. Any source of electrical energy generated by direct conversion of chemical energy and consisting of one or more primary battery accumulators (non- rechargeable) or consisting of one or more secondary battery accumulators (rechargeable) "Portable battery or accumulator": any battery, button cell, battery pack or accumulator that: - is sealed; - can be hand-carried; - is neither an industrial battery or accumulator nor an automotive battery or accumulator.