{
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    "label": "Datasheet",
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      "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": [
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        "nominal-voltage",
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      "url": "https://lemonergy.com/learn/glossary/datasheet/",
      "mentions": [
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      "label": "Capacity, energy, power and ratings",
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        "name": "Capacity, energy, power and ratings",
        "lede": "The numbers that size a cell and let two cells be compared.",
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      "label": "Nominal capacity",
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        "definition": "The charge a cell is rated to deliver under specified test conditions — current, temperature, rest and voltage limits — usually in ampere-hours.",
        "unit": "Ah",
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        "definition": "The temperature range a cell may be charged and discharged in, typically 0–45 °C for charging and −20–60 °C for discharging. Charging below 0 °C risks lithium plating; above the range the cell ages fast and may vent.",
        "unit": "°C",
        "related": [
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        "mentions": []
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      "id": "term:cycle-life",
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        "section": "topic-ratings",
        "definition": "The number of full charge–discharge cycles a cell completes before its capacity falls to a stated fraction, usually 80 %, of its initial value under defined conditions. LFP cells reach several thousand cycles; high-energy NMC fewer.",
        "unit": "cycles",
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        "mentions": []
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        "section": "topic-standards-stationary",
        "definition": "The performance standard for industrial lithium cells and batteries: how to measure and declare capacity, endurance, internal resistance and self-discharge, so that datasheets from different makers can be compared.",
        "related": [
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        "mentions": [
          "internal-resistance",
          "self-discharge"
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      "id": "term:voltage-window",
      "type": "Term",
      "label": "Voltage window",
      "properties": {
        "id": "voltage-window",
        "name": "Voltage window",
        "aka": [
          "operating voltage range"
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        "section": "topic-ratings",
        "definition": "The range between a cell’s lower and upper cutoff voltages, such as 2.5–4.2 V for an NMC/graphite cell. Staying inside it is what keeps the electrodes and electrolyte from degrading quickly.",
        "unit": "V",
        "related": [
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      "label": "Lesson 0 · Battery basics",
      "properties": {
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    }
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}