{
  "node": {
    "id": "term:sae-j2464",
    "type": "Term",
    "label": "SAE J2464 and J2929",
    "properties": {
      "id": "sae-j2464",
      "name": "SAE J2464 and J2929",
      "section": "topic-standards-vehicle",
      "definition": "SAE’s abuse-test procedure for vehicle battery systems, J2464, and the safety performance criteria for lithium-ion packs, J2929. They are the North American industry practice behind the regulatory tests, and define the familiar mechanical, thermal and electrical abuse sequences.",
      "related": [
        "abuse-testing",
        "ul-2580",
        "un-r100-part-2",
        "hazard-level"
      ],
      "url": "https://lemonergy.com/learn/glossary/sae-j2464/",
      "mentions": []
    }
  },
  "edges": [
    {
      "id": "edge:3807",
      "source": "term:sae-j2464",
      "target": "topic:topic-standards-vehicle",
      "type": "belongsTo",
      "properties": {
        "sourceFile": "terms.json"
      }
    },
    {
      "id": "edge:3808",
      "source": "term:sae-j2464",
      "target": "term:abuse-testing",
      "type": "relatedTo",
      "properties": {
        "sourceFile": "terms.json",
        "meaning": "Related context; not a causal claim"
      }
    },
    {
      "id": "edge:3809",
      "source": "term:sae-j2464",
      "target": "term:ul-2580",
      "type": "relatedTo",
      "properties": {
        "sourceFile": "terms.json",
        "meaning": "Related context; not a causal claim"
      }
    },
    {
      "id": "edge:3810",
      "source": "term:sae-j2464",
      "target": "term:un-r100-part-2",
      "type": "relatedTo",
      "properties": {
        "sourceFile": "terms.json",
        "meaning": "Related context; not a causal claim"
      }
    },
    {
      "id": "edge:3811",
      "source": "term:sae-j2464",
      "target": "term:hazard-level",
      "type": "relatedTo",
      "properties": {
        "sourceFile": "terms.json",
        "meaning": "Related context; not a causal claim"
      }
    }
  ],
  "neighbors": [
    {
      "id": "topic:topic-standards-vehicle",
      "type": "Topic",
      "label": "Vehicle and transport standards",
      "properties": {
        "id": "topic-standards-vehicle",
        "name": "Vehicle and transport standards",
        "lede": "The regulations and standards a vehicle battery must meet to be approved, and the rules for shipping batteries by road, sea and air.",
        "context": "Check issuing organization, edition, scope and market.",
        "example": "Shipping tests and vehicle battery approval tests address different uses; passing one does not automatically satisfy another.",
        "lesson_url": "https://lemonergy.com/learn/fundamentals/battery-basics/",
        "lesson_label": "Open battery basics"
      }
    },
    {
      "id": "term:abuse-testing",
      "type": "Term",
      "label": "Abuse testing",
      "properties": {
        "id": "abuse-testing",
        "name": "Abuse testing",
        "section": "topic-safety",
        "definition": "Deliberately driving cells and packs beyond their limits — overcharge, crush, nail penetration, external short, heating, drop — to see how they fail. Standards define each test and rank the outcome on a hazard scale from no effect to explosion.",
        "related": [
          "nail-penetration",
          "overcharge-test",
          "crush-test",
          "short-circuit-test",
          "hazard-level",
          "oven-test"
        ],
        "url": "https://lemonergy.com/learn/glossary/abuse-testing/",
        "mentions": [
          "overcharge"
        ]
      }
    },
    {
      "id": "term:ul-2580",
      "type": "Term",
      "label": "UL 2580",
      "properties": {
        "id": "ul-2580",
        "name": "UL 2580",
        "section": "topic-standards-vehicle",
        "definition": "The North American safety standard for electric-vehicle battery packs, covering electrical, mechanical and environmental abuse at pack level together with the protective electronics.",
        "related": [
          "ul-1642",
          "iec-62660",
          "pack",
          "sae-j2464"
        ],
        "url": "https://lemonergy.com/learn/glossary/ul-2580/",
        "mentions": []
      }
    },
    {
      "id": "term:un-r100-part-2",
      "type": "Term",
      "label": "R100 Part II",
      "properties": {
        "id": "un-r100-part-2",
        "name": "R100 Part II",
        "aka": [
          "REESS tests",
          "R100 Annex 8"
        ],
        "section": "topic-standards-vehicle",
        "definition": "The part of UN R100 that tests the battery system as a unit: vibration, thermal shock and cycling, mechanical shock and crash impact, fire resistance, external short circuit, overcharge and over-discharge protection, over-temperature protection and, from the 03 series, thermal propagation. Each test ends with a check that there is no fire, explosion, electrolyte leakage or loss of isolation.",
        "related": [
          "un-r100",
          "un-r100-03",
          "abuse-testing",
          "propagation-test",
          "insulation-resistance"
        ],
        "url": "https://lemonergy.com/learn/glossary/un-r100-part-2/",
        "mentions": [
          "electrolyte",
          "overcharge",
          "over-discharge",
          "thermal-propagation",
          "external-short-circuit",
          "short-circuit"
        ]
      }
    },
    {
      "id": "term:hazard-level",
      "type": "Term",
      "label": "Hazard level",
      "properties": {
        "id": "hazard-level",
        "name": "Hazard level",
        "aka": [
          "EUCAR hazard level"
        ],
        "section": "topic-safety",
        "definition": "A scale, 0 to 7, for grading the outcome of an abuse test: from no effect through leakage, venting and fire to rupture and explosion. Vehicle programmes typically require that no cell test exceed level 4, venting without flame.",
        "related": [
          "abuse-testing",
          "venting",
          "thermal-runaway"
        ],
        "url": "https://lemonergy.com/learn/glossary/hazard-level/",
        "mentions": []
      }
    }
  ]
}