{
  "opd": "benikigai/plus-one",
  "commit": 6,
  "opd_version": "0.5.0",
  "layer": "extensions",
  "question": "What does this kind of product need that the core schema doesn't cover?",
  "data": {
    "extensions": [
      {
        "id": "battery",
        "version": "0.1.0"
      }
    ],
    "ext": {
      "battery": {
        "cells": [
          {
            "part": "part:battery",
            "chemistry": {
              "value": "Li-ion polymer",
              "source": "inferred",
              "confidence": "low",
              "evidence": [
                "src:design-brief"
              ],
              "note": "design choice"
            },
            "form": "pouch",
            "nominal_voltage_v": {
              "value": 3.7,
              "unit": "V",
              "source": "inferred",
              "confidence": "low",
              "evidence": [
                "src:design-brief"
              ],
              "note": "design choice"
            },
            "capacity_mah": {
              "value": 150,
              "unit": "mAh",
              "source": "inferred",
              "confidence": "low",
              "evidence": [
                "src:design-brief"
              ],
              "note": "design target for a 28 x 16 x 3.5 mm cell; no coin cell, the ESP32-S3's Wi-Fi draws far more than one can supply"
            },
            "protection_circuit": {
              "value": "single-cell protection board on the tab, the charger's limits and a hardware power-off switch. Charged by USB-C, a dock on the pads, or a magnetic wireless charger; a phone can't charge it",
              "source": "inferred",
              "confidence": "low",
              "evidence": [
                "src:design-brief"
              ],
              "note": "design choice"
            }
          }
        ]
      }
    }
  }
}