{
 "slug": "coin-cell-batteries",
 "name": "Coin Cell Batteries",
 "root": "household",
 "unit": "battery",
 "unit_as_designed": null,
 "unit_note": "Count the individual cells in the listing, including all packs in a multipack. Compare unit prices only among batteries with the same form-factor code and compatible chemistry and voltage; different coin-cell sizes are not interchangeable.",
 "gpc": {
  "brick_code": "10000546",
  "brick": "Batteries",
  "class": "Batteries/Chargers",
  "family": "Electrical Connection/Distribution",
  "segment": "Electrical Supplies"
 },
 "google_product_category": {
  "id": 4928,
  "path": "Electronics > Electronics Accessories > Power > Batteries > General Purpose Batteries"
 },
 "taxonomy": {
  "google": {
   "id": 4928,
   "path": "Electronics > Electronics Accessories > Power > Batteries > General Purpose Batteries"
  },
  "gpc": {
   "brick_code": "10000546",
   "brick": "Batteries",
   "class": "Batteries/Chargers",
   "family": "Electrical Connection/Distribution",
   "segment": "Electrical Supplies"
  }
 },
 "fields": [
  {
   "key": "form_factor_code",
   "label": "Size / model code",
   "type": "string",
   "unit": null,
   "values": null,
   "why_it_matters": "Must match the exact code required by the device for a physical fit."
  },
  {
   "key": "voltage_v",
   "label": "Nominal voltage",
   "type": "number",
   "unit": "V",
   "values": null,
   "why_it_matters": "The device must be designed for the battery's voltage."
  },
  {
   "key": "chemistry",
   "label": "Chemistry",
   "type": "enum",
   "unit": null,
   "values": [
    "lithium_manganese_dioxide",
    "silver_oxide",
    "alkaline",
    "zinc_air",
    "other"
   ],
   "why_it_matters": "Chemistry affects compatibility, voltage behavior, and battery life."
  },
  {
   "key": "rechargeable",
   "label": "Rechargeable",
   "type": "boolean",
   "unit": null,
   "values": null,
   "why_it_matters": "Rechargeable cells are not substitutes for primary cells unless the device supports them."
  },
  {
   "key": "capacity_mah",
   "label": "Capacity",
   "type": "number",
   "unit": "mAh",
   "values": null,
   "why_it_matters": "Higher capacity can provide longer runtime within a compatible size and chemistry."
  },
  {
   "key": "pack_count",
   "label": "Batteries per listing",
   "type": "number",
   "unit": "battery",
   "values": null,
   "why_it_matters": "Determines the total quantity used to calculate price per battery."
  },
  {
   "key": "shelf_life_years",
   "label": "Shelf life",
   "type": "number",
   "unit": "year",
   "values": null,
   "why_it_matters": "Longer shelf life is useful for spares and emergency storage."
  }
 ],
 "minimum_spec": {
  "description": "For most devices designed for a primary CR coin cell, choose a non-rechargeable 3 V lithium-manganese-dioxide battery. Its form-factor code must match the device exactly; other devices may require a different chemistry or voltage.",
  "rules": [
   {
    "key": "voltage_v",
    "op": "==",
    "value": 3
   },
   {
    "key": "chemistry",
    "op": "==",
    "value": "lithium_manganese_dioxide"
   },
   {
    "key": "rechargeable",
    "op": "==",
    "value": false
   }
  ]
 },
 "premium_dimensions": [
  "capacity_mah",
  "shelf_life_years"
 ],
 "baseline": {
  "item_id": 209489,
  "name": "WANZELONYO Coin Cell Battery",
  "unit_price": 0.1877,
  "retailer": "amazon"
 },
 "items": [
  {
   "id": 209489,
   "name": "WANZELONYO Coin Cell Battery",
   "brand": "WANZELONYO",
   "gtin": null,
   "category": "coin-cell-batteries",
   "size": {
    "value": 200.0,
    "unit": "battery"
   },
   "size_as_extracted": null,
   "unit_price_unit": "battery",
   "specs": {
    "form_factor_code": "CR2032",
    "voltage_v": 3,
    "chemistry": "lithium_manganese_dioxide",
    "rechargeable": false,
    "capacity_mah": 230,
    "pack_count": 200,
    "shelf_life_years": null
   },
   "standard_attributes": {},
   "shopify_category_id": null,
   "meets_minimum_spec": true,
   "tier": "basic",
   "premium_note": null,
   "best": {
    "unit_price": 0.1877,
    "price": 37.54,
    "retailer": "amazon",
    "url": "https://www.amazon.com/dp/B09FLYGNG4"
   },
   "lowest_price": {
    "price": 37.54,
    "retailer": "amazon",
    "url": "https://www.amazon.com/dp/B09FLYGNG4"
   },
   "size_missing": false,
   "unranked_reason": null,
   "offers": [
    {
     "retailer": "amazon",
     "retailer_id": "B09FLYGNG4",
     "gtin": null,
     "price": 37.54,
     "currency": "USD",
     "price_usd": 37.54,
     "unit_price": 0.1877,
     "availability": "In Stock",
     "in_stock": true,
     "seller": "Zhenyuanmall",
     "first_party": false,
     "shipping": {
      "text": "FREE delivery",
      "price": 0.0
     },
     "size_text": "200 Count",
     "url": "https://www.amazon.com/dp/B09FLYGNG4",
     "observed_at": "2026-10-09T20:02:50-04:00",
     "age_minutes_at_build": 18261
    }
   ],
   "url": "/items/209489.json",
   "html": "/items/209489.html",
   "rank": 1
  },
  {
   "id": 209267,
   "name": "SkoTeRy Lithium Coin Cell Battery",
   "brand": "SkoTeRy",
   "gtin": null,
   "category": "coin-cell-batteries",
   "size": {
    "value": 100.0,
    "unit": "battery"
   },
   "size_as_extracted": null,
   "unit_price_unit": "battery",
   "specs": {
    "form_factor_code": "CR2032",
    "voltage_v": 3,
    "chemistry": "lithium_manganese_dioxide",
    "rechargeable": false,
    "capacity_mah": 230,
    "pack_count": 100,
    "shelf_life_years": null
   },
   "standard_attributes": {},
   "shopify_category_id": null,
   "meets_minimum_spec": true,
   "tier": "basic",
   "premium_note": null,
   "best": {
    "unit_price": 0.2599,
    "price": 25.99,
    "retailer": "amazon",
    "url": "https://www.amazon.com/dp/B01M0E6AK6"
   },
   "lowest_price": {
    "price": 25.99,
    "retailer": "amazon",
    "url": "https://www.amazon.com/dp/B01M0E6AK6"
   },
   "size_missing": false,
   "unranked_reason": null,
   "offers": [
    {
     "retailer": "amazon",
     "retailer_id": "B01M0E6AK6",
     "gtin": null,
     "price": 25.99,
     "currency": "USD",
     "price_usd": 25.99,
     "unit_price": 0.2599,
     "availability": "In Stock",
     "in_stock": true,
     "seller": "calmer2015",
     "first_party": false,
     "shipping": {
      "text": "FREE delivery",
      "price": 0.0
     },
     "size_text": "100 Count",
     "url": "https://www.amazon.com/dp/B01M0E6AK6",
     "observed_at": "2026-10-09T19:06:41-04:00",
     "age_minutes_at_build": 18317
    }
   ],
   "url": "/items/209267.json",
   "html": "/items/209267.html",
   "rank": 2,
   "premium": {
    "pct_over_baseline": 38.5,
    "spec_diffs": {},
    "note": null
   }
  },
  {
   "id": 239888,
   "name": "Adafruit Button Cell Batteries",
   "brand": "Adafruit",
   "gtin": null,
   "category": "coin-cell-batteries",
   "size": {
    "value": 10.0,
    "unit": "battery"
   },
   "size_as_extracted": null,
   "unit_price_unit": "battery",
   "specs": {
    "form_factor_code": "LR44 / AG13",
    "voltage_v": 1.5,
    "chemistry": "alkaline",
    "rechargeable": false,
    "capacity_mah": null,
    "pack_count": 10,
    "shelf_life_years": null
   },
   "standard_attributes": {},
   "shopify_category_id": null,
   "meets_minimum_spec": false,
   "tier": "basic",
   "premium_note": null,
   "best": {
    "unit_price": 0.295,
    "price": 2.95,
    "retailer": "adafruit",
    "url": "https://www.adafruit.com/product/4645"
   },
   "lowest_price": {
    "price": 2.95,
    "retailer": "adafruit",
    "url": "https://www.adafruit.com/product/4645"
   },
   "size_missing": false,
   "unranked_reason": null,
   "offers": [
    {
     "retailer": "adafruit",
     "retailer_id": "4645",
     "gtin": null,
     "price": 2.95,
     "currency": "USD",
     "price_usd": 2.95,
     "unit_price": 0.295,
     "availability": "InStock",
     "in_stock": true,
     "seller": null,
     "first_party": null,
     "shipping": null,
     "size_text": "10-pack",
     "url": "https://www.adafruit.com/product/4645",
     "observed_at": "2026-10-10T04:26:55-04:00",
     "age_minutes_at_build": 17757
    }
   ],
   "url": "/items/239888.json",
   "html": "/items/239888.html",
   "rank": 3,
   "premium": {
    "pct_over_baseline": 57.2,
    "spec_diffs": {},
    "note": null
   }
  },
  {
   "id": 209490,
   "name": "Pallenvibe Coin Cell Battery",
   "brand": "Pallenvibe",
   "gtin": null,
   "category": "coin-cell-batteries",
   "size": {
    "value": 24.0,
    "unit": "battery"
   },
   "size_as_extracted": null,
   "unit_price_unit": "battery",
   "specs": {
    "form_factor_code": "CR2032",
    "voltage_v": 3,
    "chemistry": "lithium_manganese_dioxide",
    "rechargeable": false,
    "capacity_mah": null,
    "pack_count": 24,
    "shelf_life_years": null
   },
   "standard_attributes": {},
   "shopify_category_id": null,
   "meets_minimum_spec": true,
   "tier": "basic",
   "premium_note": null,
   "best": {
    "unit_price": 0.374167,
    "price": 8.98,
    "retailer": "amazon",
    "url": "https://www.amazon.com/dp/B0H2M8Q777"
   },
   "lowest_price": {
    "price": 8.98,
    "retailer": "amazon",
    "url": "https://www.amazon.com/dp/B0H2M8Q777"
   },
   "size_missing": false,
   "unranked_reason": null,
   "offers": [
    {
     "retailer": "amazon",
     "retailer_id": "B0H2M8Q777",
     "gtin": null,
     "price": 8.98,
     "currency": "USD",
     "price_usd": 8.98,
     "unit_price": 0.374167,
     "availability": "In Stock",
     "in_stock": true,
     "seller": null,
     "first_party": null,
     "shipping": {
      "text": "FREE delivery",
      "price": 0.0
     },
     "size_text": "24 Count",
     "url": "https://www.amazon.com/dp/B0H2M8Q777",
     "observed_at": "2026-10-09T20:02:59-04:00",
     "age_minutes_at_build": 18261
    }
   ],
   "url": "/items/209490.json",
   "html": "/items/209490.html",
   "rank": 4,
   "premium": {
    "pct_over_baseline": 99.3,
    "spec_diffs": {},
    "note": null
   }
  },
  {
   "id": 209488,
   "name": "YFCN Coin Cell Battery",
   "brand": "YFCN",
   "gtin": null,
   "category": "coin-cell-batteries",
   "size": {
    "value": 10.0,
    "unit": "battery"
   },
   "size_as_extracted": null,
   "unit_price_unit": "battery",
   "specs": {
    "form_factor_code": "CR2032",
    "voltage_v": 3,
    "chemistry": "lithium_manganese_dioxide",
    "rechargeable": false,
    "capacity_mah": 240,
    "pack_count": 10,
    "shelf_life_years": 10
   },
   "standard_attributes": {},
   "shopify_category_id": null,
   "meets_minimum_spec": true,
   "tier": "basic",
   "premium_note": null,
   "best": {
    "unit_price": 0.649,
    "price": 6.49,
    "retailer": "amazon",
    "url": "https://www.amazon.com/dp/B0CB3JHWKX"
   },
   "lowest_price": {
    "price": 6.49,
    "retailer": "amazon",
    "url": "https://www.amazon.com/dp/B0CB3JHWKX"
   },
   "size_missing": false,
   "unranked_reason": null,
   "offers": [
    {
     "retailer": "amazon",
     "retailer_id": "B0CB3JHWKX",
     "gtin": null,
     "price": 6.49,
     "currency": "USD",
     "price_usd": 6.49,
     "unit_price": 0.649,
     "availability": "In Stock",
     "in_stock": true,
     "seller": "YFCN Battery",
     "first_party": false,
     "shipping": {
      "text": "FREE delivery",
      "price": 0.0
     },
     "size_text": "1 Count (Pack of 10)",
     "url": "https://www.amazon.com/dp/B0CB3JHWKX",
     "observed_at": "2026-10-09T20:02:44-04:00",
     "age_minutes_at_build": 18261
    }
   ],
   "url": "/items/209488.json",
   "html": "/items/209488.html",
   "rank": 5,
   "premium": {
    "pct_over_baseline": 245.8,
    "spec_diffs": {
     "capacity_mah": [
      230,
      240
     ],
     "shelf_life_years": [
      null,
      10
     ]
    },
    "note": null
   }
  },
  {
   "id": 93159,
   "name": "Mitsubishi Lithium Coin Battery",
   "brand": "Mitsubishi",
   "gtin": null,
   "category": "coin-cell-batteries",
   "size": {
    "value": 1.0,
    "unit": "battery"
   },
   "size_as_extracted": null,
   "unit_price_unit": "battery",
   "specs": {
    "form_factor_code": "CR1616",
    "voltage_v": 3,
    "chemistry": "lithium_manganese_dioxide",
    "rechargeable": false,
    "capacity_mah": null,
    "pack_count": 1,
    "shelf_life_years": null
   },
   "standard_attributes": {},
   "shopify_category_id": null,
   "meets_minimum_spec": true,
   "tier": "basic",
   "premium_note": null,
   "best": {
    "unit_price": 0.726,
    "price": 110.0,
    "retailer": "daisonet",
    "url": "https://www.daisonet.com/products/4573637007279"
   },
   "lowest_price": {
    "price": 110.0,
    "retailer": "daisonet",
    "url": "https://www.daisonet.com/products/4573637007279"
   },
   "size_missing": false,
   "unranked_reason": null,
   "offers": [
    {
     "retailer": "daisonet",
     "retailer_id": "15300232774004",
     "gtin": null,
     "price": 110.0,
     "currency": "JPY",
     "price_usd": 0.726,
     "unit_price": 0.726,
     "availability": "OutOfStock",
     "in_stock": false,
     "seller": null,
     "first_party": null,
     "shipping": null,
     "size_text": null,
     "url": "https://www.daisonet.com/products/4573637007279",
     "observed_at": "2026-10-09T10:45:15-04:00",
     "age_minutes_at_build": 18819
    }
   ],
   "url": "/items/93159.json",
   "html": "/items/93159.html",
   "rank": 6,
   "premium": {
    "pct_over_baseline": 286.8,
    "spec_diffs": {},
    "note": null
   }
  },
  {
   "id": 143702,
   "name": "Adafruit Coin Cell Battery Lithium",
   "brand": "Adafruit",
   "gtin": null,
   "category": "coin-cell-batteries",
   "size": {
    "value": 1.0,
    "unit": "battery"
   },
   "size_as_extracted": null,
   "unit_price_unit": "battery",
   "specs": {
    "form_factor_code": "CR2016",
    "voltage_v": 3,
    "chemistry": "lithium_manganese_dioxide",
    "rechargeable": false,
    "capacity_mah": null,
    "pack_count": 1,
    "shelf_life_years": null
   },
   "standard_attributes": {},
   "shopify_category_id": null,
   "meets_minimum_spec": true,
   "tier": "basic",
   "premium_note": null,
   "best": {
    "unit_price": 0.75,
    "price": 0.75,
    "retailer": "adafruit",
    "url": "https://www.adafruit.com/product/2849"
   },
   "lowest_price": {
    "price": 0.75,
    "retailer": "adafruit",
    "url": "https://www.adafruit.com/product/2849"
   },
   "size_missing": false,
   "unranked_reason": null,
   "offers": [
    {
     "retailer": "adafruit",
     "retailer_id": "2849",
     "gtin": null,
     "price": 0.75,
     "currency": "USD",
     "price_usd": 0.75,
     "unit_price": 0.75,
     "availability": "InStock",
     "in_stock": true,
     "seller": null,
     "first_party": null,
     "shipping": null,
     "size_text": null,
     "url": "https://www.adafruit.com/product/2849",
     "observed_at": "2026-10-09T12:18:10-04:00",
     "age_minutes_at_build": 18726
    }
   ],
   "url": "/items/143702.json",
   "html": "/items/143702.html",
   "rank": 7,
   "premium": {
    "pct_over_baseline": 299.6,
    "spec_diffs": {},
    "note": null
   }
  },
  {
   "id": 209268,
   "name": "YFCN Lithium Coin Cell Battery",
   "brand": "YFCN",
   "gtin": null,
   "category": "coin-cell-batteries",
   "size": {
    "value": 5.0,
    "unit": "battery"
   },
   "size_as_extracted": null,
   "unit_price_unit": "battery",
   "specs": {
    "form_factor_code": "CR2032",
    "voltage_v": 3,
    "chemistry": "lithium_manganese_dioxide",
    "rechargeable": false,
    "capacity_mah": 240,
    "pack_count": 5,
    "shelf_life_years": 10
   },
   "standard_attributes": {},
   "shopify_category_id": null,
   "meets_minimum_spec": true,
   "tier": "basic",
   "premium_note": null,
   "best": {
    "unit_price": 0.918,
    "price": 4.59,
    "retailer": "amazon",
    "url": "https://www.amazon.com/dp/B0CB3N8VWZ"
   },
   "lowest_price": {
    "price": 4.59,
    "retailer": "amazon",
    "url": "https://www.amazon.com/dp/B0CB3N8VWZ"
   },
   "size_missing": false,
   "unranked_reason": null,
   "offers": [
    {
     "retailer": "amazon",
     "retailer_id": "B0CB3N8VWZ",
     "gtin": null,
     "price": 4.59,
     "currency": "USD",
     "price_usd": 4.59,
     "unit_price": 0.918,
     "availability": "In Stock",
     "in_stock": true,
     "seller": "YFCN Battery",
     "first_party": false,
     "shipping": {
      "text": "FREE delivery",
      "price": 0.0
     },
     "size_text": "1 Count (Pack of 5)",
     "url": "https://www.amazon.com/dp/B0CB3N8VWZ",
     "observed_at": "2026-10-09T19:06:58-04:00",
     "age_minutes_at_build": 18317
    }
   ],
   "url": "/items/209268.json",
   "html": "/items/209268.html",
   "rank": 8,
   "premium": {
    "pct_over_baseline": 389.1,
    "spec_diffs": {
     "capacity_mah": [
      230,
      240
     ],
     "shelf_life_years": [
      null,
      10
     ]
    },
    "note": null
   }
  },
  {
   "id": 203910,
   "name": "Rayovac Hearing Aid Batteries 312",
   "brand": "Rayovac",
   "gtin": null,
   "category": "coin-cell-batteries",
   "size": {
    "value": 12.0,
    "unit": "battery"
   },
   "size_as_extracted": null,
   "unit_price_unit": "battery",
   "specs": {
    "form_factor_code": "312",
    "voltage_v": 1.4,
    "chemistry": "zinc_air",
    "rechargeable": false,
    "capacity_mah": null,
    "pack_count": 12,
    "shelf_life_years": null
   },
   "standard_attributes": {},
   "shopify_category_id": null,
   "meets_minimum_spec": false,
   "tier": "basic",
   "premium_note": null,
   "best": {
    "unit_price": 1.0825,
    "price": 12.99,
    "retailer": "cvs",
    "url": "https://www.cvs.com/shop/rayovac-312-hearing-aid-batteries-12-ct-prodid-582694"
   },
   "lowest_price": {
    "price": 12.99,
    "retailer": "cvs",
    "url": "https://www.cvs.com/shop/rayovac-312-hearing-aid-batteries-12-ct-prodid-582694"
   },
   "size_missing": false,
   "unranked_reason": null,
   "offers": [
    {
     "retailer": "cvs",
     "retailer_id": "582694",
     "gtin": null,
     "price": 12.99,
     "currency": "USD",
     "price_usd": 12.99,
     "unit_price": 1.0825,
     "availability": "InStock",
     "in_stock": true,
     "seller": "CVS Pharmacy",
     "first_party": true,
     "shipping": null,
     "size_text": "12 ct",
     "url": "https://www.cvs.com/shop/rayovac-312-hearing-aid-batteries-12-ct-prodid-582694",
     "observed_at": "2026-10-09T14:37:23-04:00",
     "age_minutes_at_build": 18587
    }
   ],
   "url": "/items/203910.json",
   "html": "/items/203910.html",
   "rank": 9,
   "premium": {
    "pct_over_baseline": 476.7,
    "spec_diffs": {},
    "note": null
   }
  },
  {
   "id": 98668,
   "name": "Energizer Energizer 1616 Lithium 3V Battery 1 Each",
   "brand": "Energizer",
   "gtin": "039800038586",
   "category": "coin-cell-batteries",
   "size": {
    "value": 1.0,
    "unit": "battery"
   },
   "size_as_extracted": null,
   "unit_price_unit": "battery",
   "specs": {},
   "standard_attributes": {},
   "shopify_category_id": null,
   "meets_minimum_spec": null,
   "tier": null,
   "premium_note": null,
   "best": {
    "unit_price": 4.99,
    "price": 4.99,
    "retailer": "hyvee",
    "url": "https://www.hy-vee.com/aisles-online/p/48239/energizer-1616-lithium-3v-battery-1-each"
   },
   "lowest_price": {
    "price": 4.99,
    "retailer": "hyvee",
    "url": "https://www.hy-vee.com/aisles-online/p/48239/energizer-1616-lithium-3v-battery-1-each"
   },
   "size_missing": false,
   "unranked_reason": null,
   "offers": [
    {
     "retailer": "hyvee",
     "retailer_id": "48239",
     "gtin": "039800038586",
     "price": 4.99,
     "currency": "USD",
     "price_usd": 4.99,
     "unit_price": 4.99,
     "availability": "InStock",
     "in_stock": true,
     "seller": "Hy-Vee",
     "first_party": false,
     "shipping": null,
     "size_text": "1 Each",
     "url": "https://www.hy-vee.com/aisles-online/p/48239/energizer-1616-lithium-3v-battery-1-each",
     "observed_at": "2026-10-09T12:10:56-04:00",
     "age_minutes_at_build": 18733
    }
   ],
   "url": "/items/98668.json",
   "html": "/items/98668.html",
   "rank": 10,
   "premium": {
    "pct_over_baseline": 2558.5,
    "spec_diffs": {},
    "note": null
   }
  },
  {
   "id": 95899,
   "name": "Raspberry Pi RTC Battery",
   "brand": "Raspberry Pi",
   "gtin": null,
   "category": "coin-cell-batteries",
   "size": {
    "value": 1.0,
    "unit": "battery"
   },
   "size_as_extracted": null,
   "unit_price_unit": "battery",
   "specs": {
    "form_factor_code": null,
    "voltage_v": null,
    "chemistry": null,
    "rechargeable": null,
    "capacity_mah": null,
    "pack_count": null,
    "shelf_life_years": null
   },
   "standard_attributes": {},
   "shopify_category_id": null,
   "meets_minimum_spec": false,
   "tier": "basic",
   "premium_note": null,
   "best": {
    "unit_price": 5.0,
    "price": 5.0,
    "retailer": "adafruit",
    "url": "https://www.adafruit.com/product/5817"
   },
   "lowest_price": {
    "price": 5.0,
    "retailer": "adafruit",
    "url": "https://www.adafruit.com/product/5817"
   },
   "size_missing": false,
   "unranked_reason": null,
   "offers": [
    {
     "retailer": "adafruit",
     "retailer_id": "5817",
     "gtin": null,
     "price": 5.0,
     "currency": "USD",
     "price_usd": 5.0,
     "unit_price": 5.0,
     "availability": "InStock",
     "in_stock": true,
     "seller": null,
     "first_party": null,
     "shipping": null,
     "size_text": null,
     "url": "https://www.adafruit.com/product/5817",
     "observed_at": "2026-10-09T12:03:34-04:00",
     "age_minutes_at_build": 18740
    }
   ],
   "url": "/items/95899.json",
   "html": "/items/95899.html",
   "rank": 11,
   "premium": {
    "pct_over_baseline": 2563.8,
    "spec_diffs": {},
    "note": null
   }
  },
  {
   "id": 80189,
   "name": "Duracell Lithium Coin Battery 3V",
   "brand": "Duracell",
   "gtin": null,
   "category": "coin-cell-batteries",
   "size": {
    "value": 1.0,
    "unit": "battery"
   },
   "size_as_extracted": null,
   "unit_price_unit": "battery",
   "specs": {
    "form_factor_code": "2025",
    "voltage_v": 3,
    "chemistry": "lithium_manganese_dioxide",
    "rechargeable": false,
    "capacity_mah": null,
    "pack_count": 1,
    "shelf_life_years": null
   },
   "standard_attributes": {},
   "shopify_category_id": null,
   "meets_minimum_spec": true,
   "tier": "basic",
   "premium_note": null,
   "best": {
    "unit_price": 6.29,
    "price": 6.29,
    "retailer": "cvs",
    "url": "https://www.cvs.com/shop/duracell-2025-3v-lithium-coin-battery-prodid-228874"
   },
   "lowest_price": {
    "price": 6.29,
    "retailer": "cvs",
    "url": "https://www.cvs.com/shop/duracell-2025-3v-lithium-coin-battery-prodid-228874"
   },
   "size_missing": false,
   "unranked_reason": null,
   "offers": [
    {
     "retailer": "cvs",
     "retailer_id": "228874",
     "gtin": null,
     "price": 6.29,
     "currency": "USD",
     "price_usd": 6.29,
     "unit_price": 6.29,
     "availability": "InStock",
     "in_stock": true,
     "seller": "CVS Pharmacy",
     "first_party": true,
     "shipping": null,
     "size_text": null,
     "url": "https://www.cvs.com/shop/duracell-2025-3v-lithium-coin-battery-prodid-228874",
     "observed_at": "2026-10-09T12:00:42-04:00",
     "age_minutes_at_build": 18743
    }
   ],
   "url": "/items/80189.json",
   "html": "/items/80189.html",
   "rank": 12,
   "premium": {
    "pct_over_baseline": 3251.1,
    "spec_diffs": {},
    "note": null
   }
  },
  {
   "id": 143703,
   "name": "Varta Coin Cell Battery Lithium",
   "brand": "Varta",
   "gtin": null,
   "category": "coin-cell-batteries",
   "size": {
    "value": 20.0,
    "unit": "battery"
   },
   "size_as_extracted": null,
   "unit_price_unit": "battery",
   "specs": {
    "form_factor_code": "CR2450",
    "voltage_v": 3,
    "chemistry": "lithium_manganese_dioxide",
    "rechargeable": false,
    "capacity_mah": null,
    "pack_count": 20,
    "shelf_life_years": null
   },
   "standard_attributes": {},
   "shopify_category_id": null,
   "meets_minimum_spec": true,
   "tier": "basic",
   "premium_note": null,
   "best": {
    "unit_price": 17.45,
    "price": 349.0,
    "retailer": "clasohlson",
    "url": "https://www.clasohlson.com/se/Varta-CR2450-litiumbatteri-3-V%2C-20-pack/p/36-8724"
   },
   "lowest_price": {
    "price": 349.0,
    "retailer": "clasohlson",
    "url": "https://www.clasohlson.com/se/Varta-CR2450-litiumbatteri-3-V%2C-20-pack/p/36-8724"
   },
   "size_missing": false,
   "unranked_reason": null,
   "offers": [
    {
     "retailer": "clasohlson",
     "retailer_id": "368724000",
     "gtin": null,
     "price": 349.0,
     "currency": "USD",
     "price_usd": 349.0,
     "unit_price": 17.45,
     "availability": "InStock",
     "in_stock": true,
     "seller": null,
     "first_party": null,
     "shipping": null,
     "size_text": "20-pack",
     "url": "https://www.clasohlson.com/se/Varta-CR2450-litiumbatteri-3-V%2C-20-pack/p/36-8724",
     "observed_at": "2026-10-09T12:27:39-04:00",
     "age_minutes_at_build": 18716
    }
   ],
   "url": "/items/143703.json",
   "html": "/items/143703.html",
   "rank": 13,
   "premium": {
    "pct_over_baseline": 9196.8,
    "spec_diffs": {},
    "note": null
   }
  }
 ],
 "unranked_items": [
  {
   "id": 143704,
   "name": "Coin Cell Battery Lithium",
   "brand": null,
   "gtin": null,
   "category": "coin-cell-batteries",
   "size": {
    "value": 2.0,
    "unit": "battery"
   },
   "size_as_extracted": null,
   "unit_price_unit": "battery",
   "specs": {
    "form_factor_code": "CR1220",
    "voltage_v": 3,
    "chemistry": "lithium_manganese_dioxide",
    "rechargeable": false,
    "capacity_mah": null,
    "pack_count": 2,
    "shelf_life_years": null
   },
   "standard_attributes": {},
   "shopify_category_id": null,
   "meets_minimum_spec": true,
   "tier": "basic",
   "premium_note": null,
   "best": null,
   "lowest_price": null,
   "size_missing": false,
   "unranked_reason": "no_price",
   "offers": [
    {
     "retailer": "clasohlson",
     "retailer_id": null,
     "gtin": null,
     "price": null,
     "currency": "USD",
     "price_usd": null,
     "unit_price": null,
     "availability": "",
     "in_stock": null,
     "seller": null,
     "first_party": null,
     "shipping": null,
     "size_text": "2-pack",
     "url": "https://www.clasohlson.com/se/CR1220-knappcellsbatteri-litium-3V%2C-2-pack/p/36-6331",
     "observed_at": "2026-10-09T12:31:55-04:00",
     "age_minutes_at_build": 18712
    }
   ],
   "url": "/items/143704.json",
   "html": "/items/143704.html"
  },
  {
   "id": 143705,
   "name": "Varta Coin Cell Battery Lithium",
   "brand": "Varta",
   "gtin": null,
   "category": "coin-cell-batteries",
   "size": {
    "value": 1.0,
    "unit": "battery"
   },
   "size_as_extracted": null,
   "unit_price_unit": "battery",
   "specs": {
    "form_factor_code": "CR2450",
    "voltage_v": 3,
    "chemistry": "lithium_manganese_dioxide",
    "rechargeable": false,
    "capacity_mah": null,
    "pack_count": 1,
    "shelf_life_years": null
   },
   "standard_attributes": {},
   "shopify_category_id": null,
   "meets_minimum_spec": true,
   "tier": "basic",
   "premium_note": null,
   "best": null,
   "lowest_price": {
    "price": 49.9,
    "retailer": "clasohlson",
    "url": "https://www.clasohlson.com/se/Varta-CR2450-litiumbatteri-3-V/p/32-2239"
   },
   "size_missing": false,
   "unranked_reason": "size_suspect",
   "offers": [
    {
     "retailer": "clasohlson",
     "retailer_id": "322239000",
     "gtin": null,
     "price": 49.9,
     "currency": "USD",
     "price_usd": 49.9,
     "unit_price": null,
     "availability": "InStock",
     "in_stock": true,
     "seller": null,
     "first_party": null,
     "shipping": null,
     "size_text": null,
     "url": "https://www.clasohlson.com/se/Varta-CR2450-litiumbatteri-3-V/p/32-2239",
     "observed_at": "2026-10-09T12:32:18-04:00",
     "age_minutes_at_build": 18712
    }
   ],
   "url": "/items/143705.json",
   "html": "/items/143705.html"
  }
 ],
 "n_items": 15,
 "n_priced": 13,
 "url": "/categories/coin-cell-batteries.json",
 "html": "/categories/coin-cell-batteries.html"
}