{
  "entityType": "deep_cycle_battery",
  "id": "weize-12v-100ah",
  "canonicalUrl": "https://agentretrievalindex.com/deep-cycle-batteries/weize-12v-100ah/",
  "jsonUrl": "https://agentretrievalindex.com/deep-cycle-batteries/weize-12v-100ah.json",
  "name": "WEIZE 12V 100Ah Group 31 LiFePO4 Battery",
  "brand": "WEIZE",
  "category": {
    "id": "deep-cycle-batteries",
    "name": "Deep-Cycle Batteries",
    "canonicalUrl": "https://agentretrievalindex.com/categories/deep-cycle-batteries/",
    "jsonUrl": "https://agentretrievalindex.com/categories/deep-cycle-batteries.json"
  },
  "summary": "12V (12.8 V nominal) 100 Ah LiFePO4 battery, 11.0 kg, with 1,280 Wh stated energy and 100% published usable depth of discharge. 120 A continuous discharge, a 500 A 3-second surge, 4,000 cycles at 100% DoD, IP65, Group 31 case and a 10-year warranty. The most completely specified battery in this index.",
  "description": "This is WEIZE's Group 31 12V 100Ah lithium iron phosphate battery, and it publishes a more complete specification set than any other battery indexed here. It is rated 100 Ah and 1,280 Wh at a 12.8 V nominal, and WEIZE states a 100% usable depth of discharge as a specification rather than only as a cycle-life test condition, corroborated by separate rows giving the usable capacity and an available state-of-charge range of 0 to 100%. Continuous discharge is 120 A, which is higher than the BMS nominal current of 100 A, and there are two published surge tiers: 500 A for 3 seconds and 300 A for 5 seconds. Charging is 100 A maximum with a 20 A standard rate. Cycle life is 4,000 cycles at 100% depth of discharge, rising to 8,000 at 50%. The pack charges between 0 C and 45 C and discharges between -20 C and 60 C, and a low-temperature cut-off stops charging below freezing rather than heating the cells. It weighs 11.0 kg in a standard Group 31 case, is IP65 rated, uses M8 terminal bolts, expands to 4S4P, and carries a 10-year warranty.",
  "identity": {
    "brand": "WEIZE",
    "modelName": "12V 100Ah Group 31 LiFePO4",
    "normalizedSlug": "weize-12v-100ah",
    "seriesFamily": null,
    "releaseStatus": "current",
    "marketRegion": [
      "US"
    ],
    "officialProductUrl": "https://www.weizeus.com/products/weize-12v-100ah-1280wh-lifepo4-lithium-battery-up-to-8000-deep-cycles-smart-bms",
    "officialManualUrl": "https://cdn.shopify.com/s/files/1/0665/5829/6292/files/BAC-0089VWEI_0109_-20250722_compressed.pdf",
    "officialSpecSheetUrl": null
  },
  "capacity": {
    "chemistry": "lifepo4",
    "voltageClass": "12V",
    "nominalVoltageV": 12.8,
    "capacityAh": 100,
    "capacityWh": 1280,
    "capacityRatingBasis": null,
    "usableDoDPercent": 100
  },
  "power": {
    "bmsPresent": true,
    "bmsRatingA": 100,
    "maxContinuousDischargeA": 120,
    "peakDischargeA": 500,
    "peakDischargeDurationS": 3,
    "maxContinuousChargeA": 100,
    "recommendedChargeA": 20
  },
  "cycleLife": {
    "cycleLifeCycles": 4000,
    "cycleLifeDoDPercent": 100,
    "cycleLifeConditionsNote": "4,000 or more cycles at 100% depth of discharge; WEIZE also publishes 8,000 cycles at 50% DoD on the same claim"
  },
  "temperature": {
    "chargeTempRangeC": {
      "minC": 0,
      "maxC": 45
    },
    "dischargeTempRangeC": {
      "minC": -20,
      "maxC": 60
    },
    "storageTempRangeC": {
      "minC": -20,
      "maxC": 60
    },
    "lowTempChargingCutoff": true,
    "selfHeating": null
  },
  "physical": {
    "weightKg": 11,
    "dimensionsMm": {
      "l": 330.2,
      "w": 172,
      "h": 214.9
    },
    "bciGroupSize": "Group 31",
    "terminalType": "M8 x 1.25 x 16 mm terminal bolts",
    "terminalTorque": null,
    "ingressProtection": "IP65"
  },
  "bank": {
    "seriesParallelSupport": "Series and parallel, up to 4S4P",
    "maxInSeries": 4,
    "maxInParallel": 4
  },
  "connectivity": {
    "bluetoothMonitoring": false,
    "officialCompatibilityNotes": null
  },
  "metadata": {
    "sourceUrls": [
      "https://www.weizeus.com/products/weize-12v-100ah-1280wh-lifepo4-lithium-battery-up-to-8000-deep-cycles-smart-bms"
    ],
    "sourceLastChecked": "2026-08-15",
    "confidenceLevel": "high",
    "notes": "All figures taken from WEIZE's tabbed specification block on weizeus.com on 2026-08-15 (SKU BAC-0089VWEI, matching the linked user manual filename). Weight and dimensions are conversions of imperial-only published values ('24.25lbs Weight'; 'L13 x W6.77 x H8.46' inches at 25.4 mm per inch); the source strings are preserved in the raw claims. peakDischargeA records the higher of two published tiers, 500 A for 3 seconds, with the 300 A for 5 seconds tier preserved in cycleLifeConditionsNote's sibling field and in the description. maxContinuousDischargeA is 120 A, which deliberately exceeds the 100 A BMS nominal current recorded in bmsRatingA; both are published as separate rows. bluetoothMonitoring is recorded false as a PUBLISHED NEGATIVE ('NO Communication' is an explicit specification row). selfHeating is null rather than false: the page's 'Low-Temperature Protection' heading describes a charge cut-off, not a heating element, and WEIZE never states either way, so recording false would be inference. STORAGE TEMPERATURE CONFLICT preserved: the specification table states -20 C to 60 C while a marketing block lower on the same page says 'For storage, maintain temperatures between 23F and 113F (-5C to 45C)'. The specification-table value is recorded, per the rule that spec sheets outrank marketing copy, and the discrepancy is flagged here rather than resolved silently. IMAGE CAVEAT: the specification block printed on the battery case in the hero photo is an older revision whose discharge figures do not match the current spec table; the alt text deliberately describes it as 'a specification block' without reproducing any figure, and the photo is never a spec source.",
    "variantNotes": "Plain Group 31 12V 100Ah with no communication module (SKU BAC-0089VWEI). Distinct from WEIZE's Group 31 Bluetooth plus low-temperature sibling and its Group 24 Mini, both of which are also badged '12V 100Ah 1280Wh' and sit at near-identical URLs. The 'NO Communication' specification row is the discriminator. Note also that WEIZE, Power Queen and LiTime appear to share an OEM platform: all three publish the same 4,000 / 6,000-or-8,000 / 15,000-cycle depth-of-discharge ladder, the same 1,280 Wh energy and the same 4S4P expansion, so they are not independent engineering and comparison copy should not imply otherwise.",
    "revisionNotes": null
  },
  "provenance": [
    {
      "fieldName": "chemistry",
      "normalizedValue": "lifepo4",
      "rawClaimText": "LiFePO4 Cell Type",
      "sourceUrl": "https://www.weizeus.com/products/weize-12v-100ah-1280wh-lifepo4-lithium-battery-up-to-8000-deep-cycles-smart-bms",
      "sourceType": "official_spec_page",
      "dateChecked": "2026-08-15",
      "confidence": "high",
      "notes": ""
    },
    {
      "fieldName": "voltageClass",
      "normalizedValue": "12V",
      "rawClaimText": "12.8V Rated Voltage",
      "sourceUrl": "https://www.weizeus.com/products/weize-12v-100ah-1280wh-lifepo4-lithium-battery-up-to-8000-deep-cycles-smart-bms",
      "sourceType": "official_spec_page",
      "dateChecked": "2026-08-15",
      "confidence": "high",
      "notes": "12 V nominal class."
    },
    {
      "fieldName": "nominalVoltageV",
      "normalizedValue": 12.8,
      "rawClaimText": "12.8V Rated Voltage",
      "sourceUrl": "https://www.weizeus.com/products/weize-12v-100ah-1280wh-lifepo4-lithium-battery-up-to-8000-deep-cycles-smart-bms",
      "sourceType": "official_spec_page",
      "dateChecked": "2026-08-15",
      "confidence": "high",
      "notes": "Stated directly."
    },
    {
      "fieldName": "capacityAh",
      "normalizedValue": 100,
      "rawClaimText": "100Ah Rated Capacity",
      "sourceUrl": "https://www.weizeus.com/products/weize-12v-100ah-1280wh-lifepo4-lithium-battery-up-to-8000-deep-cycles-smart-bms",
      "sourceType": "official_spec_page",
      "dateChecked": "2026-08-15",
      "confidence": "high",
      "notes": ""
    },
    {
      "fieldName": "capacityWh",
      "normalizedValue": 1280,
      "rawClaimText": "1.28kWh Rated Battery Energy",
      "sourceUrl": "https://www.weizeus.com/products/weize-12v-100ah-1280wh-lifepo4-lithium-battery-up-to-8000-deep-cycles-smart-bms",
      "sourceType": "official_spec_page",
      "dateChecked": "2026-08-15",
      "confidence": "high",
      "notes": "Manufacturer-stated; equals 100 Ah x 12.8 V."
    },
    {
      "fieldName": "usableDoDPercent",
      "normalizedValue": 100,
      "rawClaimText": "100% Battery Depth of Discharge",
      "sourceUrl": "https://www.weizeus.com/products/weize-12v-100ah-1280wh-lifepo4-lithium-battery-up-to-8000-deep-cycles-smart-bms",
      "sourceType": "official_spec_page",
      "dateChecked": "2026-08-15",
      "confidence": "high",
      "notes": "A published specification row, corroborated by '1.28kWh Usable Battery Capacity' and '0%~100% Available SOC Range'. Not merely a cycle-life test condition."
    },
    {
      "fieldName": "maxContinuousDischargeA",
      "normalizedValue": 120,
      "rawClaimText": "120A Continuous Discharge Current",
      "sourceUrl": "https://www.weizeus.com/products/weize-12v-100ah-1280wh-lifepo4-lithium-battery-up-to-8000-deep-cycles-smart-bms",
      "sourceType": "official_spec_page",
      "dateChecked": "2026-08-15",
      "confidence": "high",
      "notes": "Exceeds the separately published 100 A BMS nominal current."
    },
    {
      "fieldName": "peakDischargeA",
      "normalizedValue": 500,
      "rawClaimText": "300A 5s / 500A 3s Peak Discharge Current",
      "sourceUrl": "https://www.weizeus.com/products/weize-12v-100ah-1280wh-lifepo4-lithium-battery-up-to-8000-deep-cycles-smart-bms",
      "sourceType": "official_spec_page",
      "dateChecked": "2026-08-15",
      "confidence": "high",
      "notes": "Two tiers published, both with durations; the 500 A / 3 s tier is stored and the 300 A / 5 s tier is preserved in prose."
    },
    {
      "fieldName": "cycleLifeCycles",
      "normalizedValue": 4000,
      "rawClaimText": "4000+ Cycles: Built for long-term deep-cycle use with 4000+ cycles at 100% DOD, 8000 cycles at 50% DOD",
      "sourceUrl": "https://www.weizeus.com/products/weize-12v-100ah-1280wh-lifepo4-lithium-battery-up-to-8000-deep-cycles-smart-bms",
      "sourceType": "official_spec_page",
      "dateChecked": "2026-08-15",
      "confidence": "high",
      "notes": "Both tiers carry a depth-of-discharge basis."
    },
    {
      "fieldName": "cycleLifeDoDPercent",
      "normalizedValue": 100,
      "rawClaimText": "4000+ cycles at 100% DOD",
      "sourceUrl": "https://www.weizeus.com/products/weize-12v-100ah-1280wh-lifepo4-lithium-battery-up-to-8000-deep-cycles-smart-bms",
      "sourceType": "official_spec_page",
      "dateChecked": "2026-08-15",
      "confidence": "high",
      "notes": ""
    },
    {
      "fieldName": "lowTempChargingCutoff",
      "normalizedValue": true,
      "rawClaimText": "Low-Temperature Cut-Off Protection: Stops charging below 0 C / 32 F",
      "sourceUrl": "https://www.weizeus.com/products/weize-12v-100ah-1280wh-lifepo4-lithium-battery-up-to-8000-deep-cycles-smart-bms",
      "sourceType": "official_spec_page",
      "dateChecked": "2026-08-15",
      "confidence": "high",
      "notes": "A cut-off, not a heating element."
    },
    {
      "fieldName": "weightKg",
      "normalizedValue": 11,
      "rawClaimText": "24.25lbs Weight",
      "sourceUrl": "https://www.weizeus.com/products/weize-12v-100ah-1280wh-lifepo4-lithium-battery-up-to-8000-deep-cycles-smart-bms",
      "sourceType": "official_spec_page",
      "dateChecked": "2026-08-15",
      "confidence": "high",
      "notes": "Published in pounds only; 24.25 lb converts to 11.0 kg."
    },
    {
      "fieldName": "dimensionsMm",
      "normalizedValue": [
        330.2,
        172,
        214.9
      ],
      "rawClaimText": "L13 x W6.77 x H8.46",
      "sourceUrl": "https://www.weizeus.com/products/weize-12v-100ah-1280wh-lifepo4-lithium-battery-up-to-8000-deep-cycles-smart-bms",
      "sourceType": "official_spec_page",
      "dateChecked": "2026-08-15",
      "confidence": "high",
      "notes": "Published in inches only; converted at 25.4 mm per inch."
    },
    {
      "fieldName": "bciGroupSize",
      "normalizedValue": "Group 31",
      "rawClaimText": "Group 31 Drop-In Size: Standard Group 31 size",
      "sourceUrl": "https://www.weizeus.com/products/weize-12v-100ah-1280wh-lifepo4-lithium-battery-up-to-8000-deep-cycles-smart-bms",
      "sourceType": "official_spec_page",
      "dateChecked": "2026-08-15",
      "confidence": "high",
      "notes": ""
    },
    {
      "fieldName": "ingressProtection",
      "normalizedValue": "IP65",
      "rawClaimText": "IP65 IP Grade",
      "sourceUrl": "https://www.weizeus.com/products/weize-12v-100ah-1280wh-lifepo4-lithium-battery-up-to-8000-deep-cycles-smart-bms",
      "sourceType": "official_spec_page",
      "dateChecked": "2026-08-15",
      "confidence": "high",
      "notes": ""
    },
    {
      "fieldName": "bluetoothMonitoring",
      "normalizedValue": false,
      "rawClaimText": "NO Communication",
      "sourceUrl": "https://www.weizeus.com/products/weize-12v-100ah-1280wh-lifepo4-lithium-battery-up-to-8000-deep-cycles-smart-bms",
      "sourceType": "official_spec_page",
      "dateChecked": "2026-08-15",
      "confidence": "high",
      "notes": "A published negative: an explicit specification row stating no communication module."
    },
    {
      "fieldName": "warrantyYears",
      "normalizedValue": 10,
      "rawClaimText": "10-Year Warranty",
      "sourceUrl": "https://www.weizeus.com/products/weize-12v-100ah-1280wh-lifepo4-lithium-battery-up-to-8000-deep-cycles-smart-bms",
      "sourceType": "official_spec_page",
      "dateChecked": "2026-08-15",
      "confidence": "high",
      "notes": ""
    }
  ],
  "warrantyYears": 10,
  "useCases": [
    "Trolling motors and marine house banks, where the 120 A continuous discharge exceeds the 100 A typical of this class",
    "RV or off-grid storage where a published usable depth of discharge helps size the system honestly",
    "Building a 12 V, 24 V or 48 V bank by wiring up to four in series and four in parallel"
  ],
  "strengths": [
    "The most completely specified battery in this index, including a published usable depth of discharge (100%) rather than only a cycle-life test condition",
    "120 A continuous discharge, higher than the 100 A ceiling of the other 100 Ah packs here",
    "Two surge tiers, both published with their durations (500 A for 3 s and 300 A for 5 s)",
    "Cycle life properly qualified on both tiers (4,000 at 100% DoD, 8,000 at 50%)",
    "10-year warranty, IP65, standard Group 31 drop-in case",
    "Absence of Bluetooth is published as an explicit specification row, not left silent"
  ],
  "weaknesses": [
    "No self-heating: a low-temperature cut-off stops charging below 0 C rather than warming the cells",
    "Charge temperature ceiling is 45 C, lower than the 50 C of several packs here",
    "No terminal torque specification published",
    "Weight and dimensions are published in imperial only and are recorded here as conversions",
    "The specification block printed on the battery case in the product photo is an older revision and does not match the current published figures, so the photo must not be read as a spec source",
    "No charge controller or inverter included: it is a storage component, not a power supply"
  ],
  "merchantLinks": [],
  "merchants": [
    {
      "merchant": "WEIZE",
      "merchantType": "manufacturer",
      "url": "https://www.weizeus.com/products/weize-12v-100ah-1280wh-lifepo4-lithium-battery-up-to-8000-deep-cycles-smart-bms",
      "affiliateUrl": null,
      "isAffiliate": false,
      "affiliateProgram": null,
      "isPrimary": true,
      "priceText": null,
      "priceValue": null,
      "currency": null,
      "priceCheckedAt": null,
      "priceStatus": "not_tracked",
      "availability": "unknown",
      "note": null
    }
  ],
  "updatedAt": "2026-08-15"
}