{"updated": "2026-09-19", "item": "自動車バッテリー", "unit": "1個", "item_code": "7312", "source": "総務省統計局 小売物価統計調査（動向編）", "source_url": "https://www.stat.go.jp/data/kouri/", "license": "CC BY 4.0（数値）", "method": "81市の調査価格の月ごとの中央値。40市以上で値がある月だけ", "comparable": true, "ratio": 1.127, "from": {"month": "2020-01", "yen": 7083}, "to": {"month": "2026-07", "yen": 7980}, "months": [{"month": "2020-01", "yen": 7083}, {"month": "2020-02", "yen": 7079}, {"month": "2020-03", "yen": 7079}, {"month": "2020-04", "yen": 7079}, {"month": "2020-05", "yen": 7079}, {"month": "2020-06", "yen": 7083}, {"month": "2020-07", "yen": 7083}, {"month": "2020-08", "yen": 7083}, {"month": "2020-09", "yen": 7083}, {"month": "2020-10", "yen": 7083}, {"month": "2020-11", "yen": 7083}, {"month": "2020-12", "yen": 7083}, {"month": "2021-01", "yen": 7079}, {"month": "2021-02", "yen": 7083}, {"month": "2021-03", "yen": 7133}, {"month": "2021-04", "yen": 7139}, {"month": "2021-05", "yen": 7230}, {"month": "2021-06", "yen": 7230}, {"month": "2021-07", "yen": 7189}, {"month": "2021-08", "yen": 7189}, {"month": "2021-09", "yen": 7189}, {"month": "2021-10", "yen": 7189}, {"month": "2021-11", "yen": 7189}, {"month": "2021-12", "yen": 7189}, {"month": "2022-01", "yen": 7189}, {"month": "2022-02", "yen": 7189}, {"month": "2022-03", "yen": 7230}, {"month": "2022-04", "yen": 7230}, {"month": "2022-05", "yen": 7230}, {"month": "2022-06", "yen": 7480}, {"month": "2022-07", "yen": 7480}, {"month": "2022-08", "yen": 7480}, {"month": "2022-09", "yen": 7480}, {"month": "2022-10", "yen": 7480}, {"month": "2022-11", "yen": 7480}, {"month": "2022-12", "yen": 7480}, {"month": "2023-01", "yen": 7480}, {"month": "2023-02", "yen": 7480}, {"month": "2023-03", "yen": 7480}, {"month": "2023-04", "yen": 7509}, {"month": "2023-05", "yen": 7509}, {"month": "2023-06", "yen": 7539}, {"month": "2023-07", "yen": 8140}, {"month": "2023-08", "yen": 8140}, {"month": "2023-09", "yen": 8140}, {"month": "2023-10", "yen": 8140}, {"month": "2023-11", "yen": 8140}, {"month": "2023-12", "yen": 8140}, {"month": "2024-01", "yen": 8140}, {"month": "2024-02", "yen": 8140}, {"month": "2024-03", "yen": 8140}, {"month": "2024-04", "yen": 8089}, {"month": "2024-05", "yen": 8089}, {"month": "2024-06", "yen": 7900}, {"month": "2024-07", "yen": 7539}, {"month": "2024-08", "yen": 7730}, {"month": "2024-09", "yen": 7890}, {"month": "2024-10", "yen": 7730}, {"month": "2024-11", "yen": 7730}, {"month": "2024-12", "yen": 7509}, {"month": "2025-01", "yen": 7509}, {"month": "2025-02", "yen": 7579}, {"month": "2025-03", "yen": 7730}, {"month": "2025-04", "yen": 7509}, {"month": "2025-05", "yen": 7509}, {"month": "2025-06", "yen": 7509}, {"month": "2025-07", "yen": 7854}, {"month": "2025-08", "yen": 7854}, {"month": "2025-09", "yen": 7854}, {"month": "2025-10", "yen": 7940}, {"month": "2025-11", "yen": 7940}, {"month": "2025-12", "yen": 7940}, {"month": "2026-01", "yen": 7940}, {"month": "2026-02", "yen": 7940}, {"month": "2026-03", "yen": 7940}, {"month": "2026-04", "yen": 7980}, {"month": "2026-05", "yen": 7980}, {"month": "2026-06", "yen": 7980}, {"month": "2026-07", "yen": 7980}]}