Some Micrococcus are pigmented bacteria; for example, M. luteus produces yellow colonies and M. roseus produces redish colonies. Micrococcus species are oxidase-positive, which can be used to distinguish them from other bacteria like most Staphylococcus species, which are generally oxidase-negative.
A fully charged â12 voltâ battery will be at about 12.6V The charger may well take it up to 14.4 or so while charging. About 12.2 volts is 50% and 11.8 is approaching dead. (these voltages at no load, the battery at rest). Anything under 11.0 may indicate a dead cell.
The voltage of a battery cell is determined by the materials used in it. The typical open circuit voltage of commercial lead acid battery cells is around 2.13 volts but the cell is said to have a nominal voltage of 2.00 volts. This means lead acid batteries with nominal voltages of 2v, 4v, 6v, etc. are possible.