{
  "node": {
    "id": "term:standard-charge-current",
    "type": "Term",
    "label": "Standard charge current",
    "properties": {
      "id": "standard-charge-current",
      "name": "Standard charge current",
      "aka": [
        "standard charge rate"
      ],
      "section": "topic-charging",
      "definition": "The charge current a manufacturer recommends for routine charging and uses in its rated tests, often 0.5C or 1C. It sits below the maximum charge current, which the cell tolerates but ages faster under, especially when cold.",
      "related": [
        "c-rate",
        "cc-cv-charging",
        "fast-charging",
        "continuous-current",
        "datasheet"
      ],
      "url": "https://lemonergy.com/learn/glossary/standard-charge-current/",
      "mentions": []
    }
  },
  "edges": [
    {
      "id": "edge:belongsTo/term:standard-charge-current/topic:topic-charging",
      "source": "term:standard-charge-current",
      "target": "topic:topic-charging",
      "type": "belongsTo",
      "properties": {
        "sourceFile": "terms.json"
      }
    },
    {
      "id": "edge:relatedTo/term:standard-charge-current/term:c-rate",
      "source": "term:standard-charge-current",
      "target": "term:c-rate",
      "type": "relatedTo",
      "properties": {
        "sourceFile": "terms.json",
        "meaning": "Related context; not a causal claim"
      }
    },
    {
      "id": "edge:relatedTo/term:standard-charge-current/term:cc-cv-charging",
      "source": "term:standard-charge-current",
      "target": "term:cc-cv-charging",
      "type": "relatedTo",
      "properties": {
        "sourceFile": "terms.json",
        "meaning": "Related context; not a causal claim"
      }
    },
    {
      "id": "edge:relatedTo/term:standard-charge-current/term:fast-charging",
      "source": "term:standard-charge-current",
      "target": "term:fast-charging",
      "type": "relatedTo",
      "properties": {
        "sourceFile": "terms.json",
        "meaning": "Related context; not a causal claim"
      }
    },
    {
      "id": "edge:relatedTo/term:standard-charge-current/term:continuous-current",
      "source": "term:standard-charge-current",
      "target": "term:continuous-current",
      "type": "relatedTo",
      "properties": {
        "sourceFile": "terms.json",
        "meaning": "Related context; not a causal claim"
      }
    },
    {
      "id": "edge:relatedTo/term:standard-charge-current/term:datasheet",
      "source": "term:standard-charge-current",
      "target": "term:datasheet",
      "type": "relatedTo",
      "properties": {
        "sourceFile": "terms.json",
        "meaning": "Related context; not a causal claim"
      }
    }
  ],
  "neighbors": [
    {
      "id": "topic:topic-charging",
      "type": "Topic",
      "label": "Charging and discharging",
      "properties": {
        "id": "topic-charging",
        "name": "Charging and discharging",
        "lede": "How current goes in and comes out, and the limits that stop it.",
        "context": "Separate regulation from availability.",
        "example": "The same CC–CV law can operate overnight or during a short depot stop.",
        "lesson_url": "https://lemonergy.com/learn/fundamentals/capacity-and-c-rate/",
        "lesson_label": "Open charging quantities"
      }
    },
    {
      "id": "term:c-rate",
      "type": "Term",
      "label": "C-rate",
      "properties": {
        "id": "c-rate",
        "name": "C-rate",
        "section": "topic-ratings",
        "definition": "Current divided by nominal capacity, in reciprocal hours. 1C on a 20 Ah cell is 20 A; 2C is 40 A. C-rate lets you compare loads on cells of different sizes. The C here is not the coulomb, whose symbol is also C.",
        "formula": "C-rate = I / Q_nominal",
        "unit": "h⁻¹",
        "related": [
          "nominal-capacity",
          "ideal-duration",
          "current",
          "e-rate",
          "fast-charging",
          "standard-charge-current"
        ],
        "lesson": "fundamentals/capacity-and-c-rate/#c-rate",
        "example": {
          "title": "Convert a rating into amperes",
          "text": "For a 5 Ah cell, 0.5C means 2.5 A, 1C means 5 A and 2C means 10 A. Dividing 2.5 A by 5 Ah returns 0.5 h⁻¹, conventionally written 0.5C."
        },
        "url": "https://lemonergy.com/learn/glossary/c-rate/",
        "mentions": [
          "coulomb"
        ]
      }
    },
    {
      "id": "term:cc-cv-charging",
      "type": "Term",
      "label": "CC-CV charging",
      "properties": {
        "id": "cc-cv-charging",
        "name": "CC-CV charging",
        "aka": [
          "constant current constant voltage"
        ],
        "section": "topic-charging",
        "definition": "The standard lithium-ion charge protocol: constant current until the cell reaches its upper cutoff voltage, then that voltage held constant while the current tapers. The charge ends when the current falls to a set fraction, often C/20.",
        "related": [
          "constant-current",
          "constant-voltage",
          "cutoff-voltage",
          "taper-current",
          "fast-charging",
          "cp-cv"
        ],
        "lesson": "fundamentals/capacity-and-c-rate/#real-cells",
        "example": {
          "title": "Follow a two-stage charge",
          "text": "For an illustrative 5 Ah cell, a 2.5 A current request is 0.5C. During CC the voltage rises. At the selected upper voltage, CV regulation holds voltage while current tapers. Completion requires the taper current to fall below the selected cutoff for the configured dwell."
        },
        "notes": [
          "Choose voltage, current and temperature limits from the actual cell specification. These example values do not define a charging recipe."
        ],
        "url": "https://lemonergy.com/learn/glossary/cc-cv-charging/",
        "mentions": []
      }
    },
    {
      "id": "term:fast-charging",
      "type": "Term",
      "label": "Fast charging",
      "properties": {
        "id": "fast-charging",
        "name": "Fast charging",
        "section": "topic-charging",
        "definition": "Charging intended to replenish a specified amount of energy or state of charge in a short time. There is no universal C-rate threshold: performance depends on cell chemistry, temperature, starting state and power limits. High current can increase heating and lithium-plating risk, requiring appropriate limits.",
        "related": [
          "lithium-plating",
          "c-rate",
          "cc-cv-charging",
          "dc-fast-charging",
          "thermal-management",
          "mscc"
        ],
        "url": "https://lemonergy.com/learn/glossary/fast-charging/",
        "mentions": [
          "state-of-charge"
        ]
      }
    },
    {
      "id": "term:continuous-current",
      "type": "Term",
      "label": "Continuous and peak current",
      "properties": {
        "id": "continuous-current",
        "name": "Continuous and peak current",
        "section": "topic-ratings",
        "definition": "The current a cell can supply indefinitely without exceeding its temperature limit, and the higher current it can supply for a stated few seconds. Peak ratings are only valid for the duration and starting temperature given.",
        "unit": "A",
        "related": [
          "c-rate",
          "datasheet",
          "state-of-power",
          "derating",
          "pulse-cycle-life"
        ],
        "aka": [
          "peak current",
          "pulse current"
        ],
        "url": "https://lemonergy.com/learn/glossary/continuous-current/",
        "mentions": []
      }
    },
    {
      "id": "term:datasheet",
      "type": "Term",
      "label": "Datasheet",
      "properties": {
        "id": "datasheet",
        "name": "Datasheet",
        "section": "topic-ratings",
        "definition": "The manufacturer’s specification sheet for a cell: nominal capacity, nominal voltage, voltage window, continuous and peak currents, operating temperatures, dimensions, mass and cycle life, each tied to the test conditions it was measured under.",
        "related": [
          "nominal-capacity",
          "nominal-voltage",
          "operating-temperature",
          "cycle-life",
          "iec-62620"
        ],
        "lesson": "fundamentals/battery-basics/#datasheet",
        "url": "https://lemonergy.com/learn/glossary/datasheet/",
        "mentions": [
          "voltage-window"
        ]
      }
    }
  ]
}