This part of the IEC 62485 applies to stationary secondary batteries and battery installations with a maximum voltage of DC 1 500 V (nominal) and describes the principal measures for protections against hazards generated from: electricity, gas emission, electrolyte. This International Standard provides requirements on safety aspects associated with the erection, use, inspection, maintenance and disposal. It covers lead-acid and NiCd / NiMH batteries. Examples for the main applications are: telecommunications, power station operation, central emergency lighting and alarm systems, uninterruptible power supplies, stationary engine starting, photovoltaic systems.