{
  "node": {
    "id": "term:rechargeable-energy-storage-system",
    "type": "Term",
    "label": "Rechargeable energy storage system",
    "properties": {
      "id": "rechargeable-energy-storage-system",
      "name": "Rechargeable energy storage system",
      "abbr": "REESS",
      "section": "topic-standards-vehicle",
      "definition": "The regulatory name, in UN R100 and GTR 20, for the whole traction battery as installed: cells, housing, management electronics, connectors and cooling. Tests apply to the REESS as a unit, which is why a cell approval alone is not a vehicle approval.",
      "related": [
        "un-r100",
        "pack",
        "bms",
        "gtr-20"
      ],
      "url": "https://lemonergy.com/learn/glossary/rechargeable-energy-storage-system/",
      "mentions": []
    }
  },
  "edges": [
    {
      "id": "edge:3698",
      "source": "term:rechargeable-energy-storage-system",
      "target": "topic:topic-standards-vehicle",
      "type": "belongsTo",
      "properties": {
        "sourceFile": "terms.json"
      }
    },
    {
      "id": "edge:3699",
      "source": "term:rechargeable-energy-storage-system",
      "target": "term:un-r100",
      "type": "relatedTo",
      "properties": {
        "sourceFile": "terms.json",
        "meaning": "Related context; not a causal claim"
      }
    },
    {
      "id": "edge:3700",
      "source": "term:rechargeable-energy-storage-system",
      "target": "term:pack",
      "type": "relatedTo",
      "properties": {
        "sourceFile": "terms.json",
        "meaning": "Related context; not a causal claim"
      }
    },
    {
      "id": "edge:3701",
      "source": "term:rechargeable-energy-storage-system",
      "target": "term:bms",
      "type": "relatedTo",
      "properties": {
        "sourceFile": "terms.json",
        "meaning": "Related context; not a causal claim"
      }
    },
    {
      "id": "edge:3702",
      "source": "term:rechargeable-energy-storage-system",
      "target": "term:gtr-20",
      "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:un-r100",
      "type": "Term",
      "label": "UN Regulation No. 100",
      "properties": {
        "id": "un-r100",
        "name": "UN Regulation No. 100",
        "abbr": "R100",
        "aka": [
          "ECE R100",
          "UN ECE R100"
        ],
        "section": "topic-standards-vehicle",
        "definition": "The UNECE type-approval regulation for the electric powertrain of cars, buses and trucks, covering protection against electric shock and, in part II, the rechargeable energy storage system itself. A vehicle sold in the EU and most of the world must carry an R100 approval for its battery.",
        "related": [
          "un-r100-part-2",
          "un-r100-03",
          "gtr-20",
          "rechargeable-energy-storage-system",
          "insulation-resistance",
          "high-voltage-interlock"
        ],
        "url": "https://lemonergy.com/learn/glossary/un-r100/",
        "mentions": []
      }
    },
    {
      "id": "term:pack",
      "type": "Term",
      "label": "Battery pack",
      "properties": {
        "id": "pack",
        "name": "Battery pack",
        "section": "topic-pack",
        "definition": "The complete battery as installed: modules or cells, the BMS, contactors and fuses, busbars, cooling, sensors and an enclosure. Its energy is the sum of its cells’ energies; its mass and volume are a good deal more.",
        "related": [
          "module",
          "bms",
          "battery-disconnect-unit",
          "thermal-management",
          "cell-to-pack-ratio",
          "enclosure"
        ],
        "lesson": "fundamentals/battery-basics/#cell-module-pack",
        "url": "https://lemonergy.com/learn/glossary/pack/",
        "mentions": []
      }
    },
    {
      "id": "term:bms",
      "type": "Term",
      "label": "Battery management system",
      "properties": {
        "id": "bms",
        "name": "Battery management system",
        "abbr": "BMS",
        "section": "topic-pack",
        "definition": "The electronics and software that keep a battery inside its safe window: measuring every cell voltage and many temperatures, estimating SOC and SOH, balancing cells, computing current limits, controlling the contactors and reporting over the vehicle network.",
        "related": [
          "state-of-charge",
          "cell-balancing",
          "state-of-power",
          "cell-supervision-circuit",
          "contactor",
          "can-bus"
        ],
        "lesson": "fundamentals/battery-basics/#cell-module-pack",
        "url": "https://lemonergy.com/learn/glossary/bms/",
        "mentions": [
          "state-of-health",
          "cell-voltage"
        ]
      }
    },
    {
      "id": "term:gtr-20",
      "type": "Term",
      "label": "GTR 20",
      "properties": {
        "id": "gtr-20",
        "name": "GTR 20",
        "aka": [
          "UN GTR No. 20",
          "EVS-GTR"
        ],
        "section": "topic-standards-vehicle",
        "definition": "The UN Global Technical Regulation on electric vehicle safety, the basis of national rules in Europe, China, Japan and elsewhere. Its thermal propagation clause requires a warning to occupants at least five minutes before a hazardous condition in the cabin.",
        "related": [
          "propagation-test",
          "thermal-propagation",
          "iec-62660",
          "un-r100-03"
        ],
        "url": "https://lemonergy.com/learn/glossary/gtr-20/",
        "mentions": [
          "electric-vehicle"
        ]
      }
    }
  ]
}