{
  "type": "lookup",
  "id": "battery-decisions",
  "slug": "battery-decisions",
  "domain": "动力电池",
  "title": "动力电池修还是换：六种情况的决策表",
  "h1": "电池修还是换 · 决策表",
  "question": "电池压差大、单颗电芯衰减、鼓包、深度过放，是修还是换？",
  "summary": "六种常见情况的处理决策：什么情况做均衡（修）、什么情况必须整组换、什么情况不建议救。用于接车前先判断值不值得动手。",
  "keywords": "电池压差大,电芯衰减,电池鼓包,深度过放,铅酸硫化,极板腐蚀,电池修还是换,均衡,析锂",
  "updated": "2026-09-26",
  "source": {
    "title": "动力电池全面技术解析",
    "url": "/report-battery-technology.html"
  },
  "trigger_label": "情况",
  "columns": [
    "决策"
  ],
  "entries": [
    {
      "trigger": "压差大但电芯健康",
      "cells": [
        "均衡（修）"
      ]
    },
    {
      "trigger": "单颗电芯容量衰减",
      "cells": [
        "整组换（一致性要求）"
      ]
    },
    {
      "trigger": "鼓包 / 热失控前兆",
      "cells": [
        "必须换（安全红线）"
      ]
    },
    {
      "trigger": "深度过放 <1.5V",
      "cells": [
        "不建议救（析锂风险）"
      ]
    },
    {
      "trigger": "铅酸硫化轻中度",
      "cells": [
        "脉冲修复（可救）"
      ]
    },
    {
      "trigger": "铅酸极板腐蚀",
      "cells": [
        "换"
      ]
    }
  ],
  "reading": [
    {
      "title": "判断分界线是『一致性』不是『电量』",
      "text": "压差大但每颗电芯本身健康 → 均衡就能解决。一旦某颗电芯容量衰减，它和同组其他电芯不再一致，修不回来，只能整组换。"
    },
    {
      "title": "两条安全红线",
      "text": "鼓包/热失控前兆必须换；深度过放到 1.5V 以下不建议救（有析锂风险）。这两条不适用『先试试看』。"
    },
    {
      "title": "铅酸是另一套逻辑",
      "text": "铅酸硫化是可逆的（脉冲修复），极板物理腐蚀是不可逆的（换）。别用锂电的思路判断铅酸。"
    }
  ],
  "notes": [
    "本表取自本站《动力电池全面技术解析》原文决策表。",
    "接车前先做这一步判断，可以避免『花了工时最后还是要换』的亏本单。"
  ],
  "sourceUrl": "https://loudilaoshi.com/report-battery-technology.html",
  "canonical": "https://loudilaoshi.com/compare/battery-decisions.html",
  "license": "转载或引用请注明作者「娄迪老师」与原文链接"
}