GB/T 5008.3-2023 English PDF (GBT5008.3-2023)

This document specifies the dimensions and model designation, terminal polarity marking, battery model and classification, and battery terminal dimensions of lead-acid starter batteries for heavy vehicles (hereinafter referred to as the batteries). This document is applicable to vented (liquid-rich) batteries and valve-controlled (with gas composite function) batteries with a rated voltage of 12 V, and used for the starting, ignition and illumination of various types of heavy-duty vehicles, tractors and other internal combustion engines. This document does not apply to batteries used for other purposes, for example, batteries for starting heavy vehicles of railway internal combustion engines.