行业组件数据 · 2026

电池端子柱

A battery terminal post is the conductive metal stud on a battery that connects to external cables for power distribution in automotive systems.

技术定义与适配语境
典型 电池端子柱 会按材料、尺寸公差、适配关系和失效风险在 汽车制造 中评估。

The battery terminal post is a critical electrical interface component in automotive batteries, typically made of lead or lead alloy with a copper core for enhanced conductivity. It serves as the physical and electrical connection point between the battery's internal cells and the vehicle's electrical system via terminal clamps or connectors. Posts are designed with specific geometries (e.g., top-post or side-post configurations) to match industry standards, ensuring secure attachment and minimal resistance for efficient current flow in starting, charging, and accessory circuits.

组件规格

定义
The battery terminal post is a critical electrical interface component in automotive batteries, typically made of lead or lead alloy with a copper core for enhanced conductivity. It serves as the physical and electrical connection point between the battery's internal cells and the vehicle's electrical system via terminal clamps or connectors. Posts are designed with specific geometries (e.g., top-post or side-post configurations) to match industry standards, ensuring secure attachment and minimal resistance for efficient current flow in starting, charging, and accessory circuits.
工作原理
The terminal post operates on the principle of electrical conduction, providing a low-resistance path for current between the battery's internal plates and external circuits. When connected via a clamp or bolt, it establishes a mechanical and electrical bond that allows for the transfer of electrical energy to power the vehicle's starter motor, lights, electronics, and other systems, while also receiving charge from the alternator.
材料
Typically lead (Pb) or lead-calcium alloy for corrosion resistance and formabilityoften with a copper core or plating to improve conductivity. Some variants use brass or tin-plated steel for specific applications.
Height
15-20 mm
Diameter
12.7 mm (standard top-post)
Thread Size
M8 x 1.25 (common for side-posts)
Conductivity
> 90% IACS for copper-core types
Corrosion Resistance
ASTM B117 salt spray test > 96 hours
标准
ISO 8854DIN 72311SAE J537

行业分类与别名

电池端子柱 的常用贸易名称、技术标识和检索关键词。

上级产品

该组件会出现在以下整机或工业产品中。

FMEA · 风险与缓解

诱因 → 失效模式 → 工程缓解

Exposure to battery acid and environmental moisture->Corrosion buildup increasing electrical resistance->Apply protective coatings and use corrosion-resistant materials like lead-calcium alloys
Incorrect torque during installation->Cracked post or poor contact leading to overheating->Follow manufacturer torque specs (e.g., 5-7 Nm for side-posts) and use proper tools

工业生态与工程逻辑

0
Corrosion leading to increased resistance and voltage drop
1
Loose connections causing arcing or intermittent power loss
2
Over-tightening damaging the post or battery case

合规与检测

tolerance
Diameter tolerance ±0.2 mm, height tolerance ±1 mm per ISO 2768-m
test method
Conductivity tested per ASTM B193, corrosion resistance per SAE J537

制造该组件的工厂

来自 CNFX 组件能力表的相关制造商资料。

制造商列表用于前期研究和供应商能力理解,不代表认证、排名或交易担保。

采购评估维度

不是客户评论,也不是实时热度。以下维度用于前期 RFQ 准备和供应商评估。

技术文档
4/5
制造能力
4/5
可检验性
5/5
供应商透明度
3/5

这些分值是采购评估维度示例,不代表真实客户评分、具体国家买家反馈或实时询盘。

相关组件

常见问题

What are the common types of battery terminal posts?

The two main types are top-posts (standard conical studs) and side-posts (threaded bolts), with variations like marine or AGM posts for specialized applications.

How do I prevent corrosion on battery terminal posts?

Use anti-corrosion sprays or grease, ensure tight connections to avoid arcing, and regularly clean with a baking soda solution to neutralize acid buildup.

我可以直接联系工厂吗?

CNFX 是开放目录,不是交易平台或采购代理。工厂资料和表单用于帮助你准备直接沟通。

CNFX Industrial Component Index · 汽车制造

数据基础

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初步技术归类
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