This part of GB/T 5008 specifies the model designation and marking of the polarity, battery type and classification, battery terminal position, and dimensions and marking of terminals of lead-acid battery for starting.
This part is applicable to vented (flooded) lead-acid batteries and valve regulated (gas recombination) batteries used for starting, lighting and ignition of various automobiles, tractors, heavy trucks and other internal combustion engines with a nominal voltage of 12 V (hereinafter referred to as “batteries”).
2 Normative References
The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies.
JB/T 2599 Name, Type Organization and Naming Convention of Lead-acid Battery
3 Symbol
For the purpose of this document, the following symbols apply.
a1 — overall length at the battery base with ledges.
a2 — length at the battery base without ledges.
a3 — length at battery lid.
Hh — overall height including lid, plugs and terminals.
h — height of the upper surface M, supporting the hold-down device.
a4 — distance of the inside notches. (see Figure 4)
a5 — distance between terminal and the edges of the lid at the short side (see Figure 4).
