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NEN-EN 50342-1 is applicable to lead-acid batteries with a nominal voltage of 12 V, used primarily as a power source for the starting of internal combustion engines, lighting and also for auxiliary equipment of internal combustion engine vehicles. These batteries are commonly called “starter batteries”. Batteries with a nominal voltage of 6 V are also included within the scope of this standard. All referenced voltages need to be divided by two for 6 V batteries. This European Standard is applicable to batteries for the following purposes: - batteries for passenger cars, - batteries for commercial and industrial vehicles. This European Standard is not applicable to batteries for other purposes, for example the starting of railcar internal combustion engines or for motorcycles.