{
  "schema_version": "compare-page.v2",
  "page_id": "booster-car-seats-by-child-age-and-weight",
  "url": "https://robotrunk.com/compare/want/booster-car-seats-by-child-age-and-weight",
  "title": "Booster car seats by child age and weight",
  "question": "Which booster car seats fit a child of a given age and weight?",
  "answer": "Britax Highpoint 2-Stage: This 2-in-1 seat converts from a high-back booster for 40-120 lbs / 44-63 inches to a backless booster for 48-120 lbs / 46-63 inches. Axkid Up: The store's own listing says the Axkid Up is a high-back booster seat for children about 4 to 12 years old, 40 to 120 lb and 43.3 to 60 inches tall; Axkid's own page gives different limits (100–150 cm and up to 50 kg), so the two sources disagree.",
  "kind": "belt-positioning booster car seats-dc",
  "market": "US",
  "generated_at": "2026-10-12T03:15:11.416Z",
  "columns": [
    "Age, weight and height limits",
    "Installation",
    "Weight",
    "Expert rating"
  ],
  "notices": {
    "facts": "Every value in the table is a fact RoboTrunk checked, linked to the page it came from. A dash means no checked fact fills that cell.",
    "price": "Prices and stock change, so this page prints neither: each product name links to its RoboTrunk page, which shows them live."
  },
  "cited_facts": [
    {
      "ref": "p1.f5",
      "product": "Britax Highpoint 2-Stage",
      "field": "mode limits",
      "value": "This 2-in-1 seat converts from a high-back booster for 40-120 lbs / 44-63 inches to a backless booster for 48-120 lbs / 46-63 inches.",
      "stated_as": "This 2-in-1 seat converts from a high-back booster (40-120 lbs / 44”-63”) to a backless booster (48-120 lbs / 46”-63”), providing flexibility for the big-kid stage.",
      "source_type": "guide",
      "source_url": "https://us.britax.com/shop/car-seats/highpoint-2-stage-belt-positioning-booster-seat",
      "source_read_at": "2026-10-08T23:16:09.194Z"
    },
    {
      "ref": "p1.f9",
      "product": "Britax Highpoint 2-Stage",
      "field": "expert rating",
      "value": "Consumer Reports gave an overall score of 33/100, with booster fit 2/5 with back, 1/5 no-back, and ease of use 5/5.",
      "stated_as": "Consumer Reports gave an overall score of 33/100, with booster fit 2/5 with back, 1/5 no-back, and ease of use 5/5.",
      "source_type": "review",
      "source_url": "https://www.consumerreports.org/babies-kids/car-seats/britax-highpoint-2-stage/m402932/",
      "source_read_at": "2026-10-08T23:16:21.928Z"
    },
    {
      "ref": "p1.f11",
      "product": "Britax Highpoint 2-Stage",
      "field": "specs",
      "value": "Specs listed 16 by 21.5 by 35 inches, 12 pounds, and 40-120 pound weight capacity.",
      "stated_as": "Specs listed 16 by 21.5 by 35 inches, 12 pounds, and 40-120 pound weight capacity.",
      "source_type": "blog",
      "source_url": "https://pishposhbaby.com/blogs/blog/britax-highpoint-booster",
      "source_read_at": "2026-10-08T23:16:30.500Z"
    },
    {
      "ref": "p2.f1",
      "product": "Axkid Up",
      "field": "age, weight and height limits",
      "value": "The store's own listing says the Axkid Up is a high-back booster seat for children about 4 to 12 years old, 40 to 120 lb and 43.3 to 60 inches tall; Axkid's own page gives different limits (100–150 cm and up to 50 kg), so the two sources disagree.",
      "stated_as": "Axkid Up™ is a high-back booster seat intended to support children from ages 4-12, 40-120 lbs, 43.3-60”.",
      "source_type": "listing",
      "source_url": "https://dd1dfe-a3.myshopify.com/products.json",
      "source_read_at": "2026-10-07T19:01:55.511Z"
    },
    {
      "ref": "p2.f2",
      "product": "Axkid Up",
      "field": "safety test",
      "value": "In ADAC's child seat test the Axkid Up was tested in 2025 and given an overall grade of 2.0 on ADAC's scale (0.5 very good to 5.5 poor), age class Kind, approved for 100 cm to 150 cm.",
      "stated_as": "- Axkid Up: tested 2025, ADAC overall grade 2,0, age class Kind, approved for 100 cm bis 150 cm.",
      "source_type": "guide",
      "source_url": "https://www.adac.de/rund-ums-fahrzeug/ausstattung-technik-zubehoer/kindersitze/kindersitztest/",
      "source_read_at": "2026-10-08T10:24:43.536Z"
    },
    {
      "ref": "p2.f4",
      "product": "Axkid Up",
      "field": "first impressions",
      "value": "The reviewer, opening the box cold, found the steel frame makes the seat genuinely heavy at about 21 lb and noted it works for ages 4 to 12 from 40 lb and 43.3 inches, staying high-back only.",
      "stated_as": "The reviewer, opening the box cold, found the steel frame makes the seat genuinely heavy at about 21 lb and noted it works for ages 4 to 12 from 40 lb and 43.3 inches, staying high-back only.",
      "source_type": "review",
      "source_url": "https://www.youtube.com/watch?v=wZBgS7GGDqQ",
      "source_read_at": "2026-10-08T10:25:47.246Z"
    },
    {
      "ref": "p2.f6",
      "product": "Axkid Up",
      "field": "installation methods",
      "value": "The manual covers three installation routes: ISOFIX with support leg, ISOFIX without the support leg, and no ISOFIX or support leg (seat belt only).",
      "stated_as": "Select type of installationISOFIX and Support leg\nISOFIX without Support leg\nNo ISOFIX and Support leg (seat belt only)",
      "source_type": "manual",
      "source_url": "https://axkidstorageblob.blob.core.windows.net/axkid/Manuals/Html/en/Up/index.html",
      "source_read_at": "2026-10-08T10:20:04.207Z"
    }
  ],
  "rows": [
    {
      "rank": 1,
      "merchant": {
        "slug": "albeebaby-com",
        "display_name": "albeebaby.com"
      },
      "product_id": "gid://shopify/Product/9564460155111",
      "name": "Britax Highpoint 2-Stage",
      "url": "/products/ucp/albeebaby-com/9564460155111",
      "why": "This 2-in-1 seat converts from a high-back booster for 40-120 lbs / 44-63 inches to a backless booster for 48-120 lbs / 46-63 inches.",
      "cells": [
        {
          "column": "Age, weight and height limits",
          "fact": {
            "field": "mode limits",
            "value": "This 2-in-1 seat converts from a high-back booster for 40-120 lbs / 44-63 inches to a backless booster for 48-120 lbs / 46-63 inches.",
            "stated_as": "This 2-in-1 seat converts from a high-back booster (40-120 lbs / 44”-63”) to a backless booster (48-120 lbs / 46”-63”), providing flexibility for the big-kid stage.",
            "source_type": "guide",
            "source_url": "https://us.britax.com/shop/car-seats/highpoint-2-stage-belt-positioning-booster-seat",
            "source_read_at": "2026-10-08T23:16:09.194Z"
          }
        },
        {
          "column": "Installation",
          "fact": null
        },
        {
          "column": "Weight",
          "fact": {
            "field": "specs",
            "value": "Specs listed 16 by 21.5 by 35 inches, 12 pounds, and 40-120 pound weight capacity.",
            "stated_as": "Specs listed 16 by 21.5 by 35 inches, 12 pounds, and 40-120 pound weight capacity.",
            "source_type": "blog",
            "source_url": "https://pishposhbaby.com/blogs/blog/britax-highpoint-booster",
            "source_read_at": "2026-10-08T23:16:30.500Z"
          }
        },
        {
          "column": "Expert rating",
          "fact": {
            "field": "expert rating",
            "value": "Consumer Reports gave an overall score of 33/100, with booster fit 2/5 with back, 1/5 no-back, and ease of use 5/5.",
            "stated_as": "Consumer Reports gave an overall score of 33/100, with booster fit 2/5 with back, 1/5 no-back, and ease of use 5/5.",
            "source_type": "review",
            "source_url": "https://www.consumerreports.org/babies-kids/car-seats/britax-highpoint-2-stage/m402932/",
            "source_read_at": "2026-10-08T23:16:21.928Z"
          }
        }
      ]
    },
    {
      "rank": 2,
      "merchant": {
        "slug": "albeebaby-com",
        "display_name": "albeebaby.com"
      },
      "product_id": "gid://shopify/Product/9722100842727",
      "name": "Axkid Up",
      "url": "/products/ucp/albeebaby-com/9722100842727",
      "why": "The store's own listing says the Axkid Up is a high-back booster seat for children about 4 to 12 years old, 40 to 120 lb and 43.3 to 60 inches tall; Axkid's own page gives different limits (100–150 cm and up to 50 kg), so the two sources disagree.",
      "cells": [
        {
          "column": "Age, weight and height limits",
          "fact": {
            "field": "age, weight and height limits",
            "value": "The store's own listing says the Axkid Up is a high-back booster seat for children about 4 to 12 years old, 40 to 120 lb and 43.3 to 60 inches tall; Axkid's own page gives different limits (100–150 cm and up to 50 kg), so the two sources disagree.",
            "stated_as": "Axkid Up™ is a high-back booster seat intended to support children from ages 4-12, 40-120 lbs, 43.3-60”.",
            "source_type": "listing",
            "source_url": "https://dd1dfe-a3.myshopify.com/products.json",
            "source_read_at": "2026-10-07T19:01:55.511Z"
          }
        },
        {
          "column": "Installation",
          "fact": {
            "field": "installation methods",
            "value": "The manual covers three installation routes: ISOFIX with support leg, ISOFIX without the support leg, and no ISOFIX or support leg (seat belt only).",
            "stated_as": "Select type of installationISOFIX and Support leg\nISOFIX without Support leg\nNo ISOFIX and Support leg (seat belt only)",
            "source_type": "manual",
            "source_url": "https://axkidstorageblob.blob.core.windows.net/axkid/Manuals/Html/en/Up/index.html",
            "source_read_at": "2026-10-08T10:20:04.207Z"
          }
        },
        {
          "column": "Weight",
          "fact": {
            "field": "first impressions",
            "value": "The reviewer, opening the box cold, found the steel frame makes the seat genuinely heavy at about 21 lb and noted it works for ages 4 to 12 from 40 lb and 43.3 inches, staying high-back only.",
            "stated_as": "The reviewer, opening the box cold, found the steel frame makes the seat genuinely heavy at about 21 lb and noted it works for ages 4 to 12 from 40 lb and 43.3 inches, staying high-back only.",
            "source_type": "review",
            "source_url": "https://www.youtube.com/watch?v=wZBgS7GGDqQ",
            "source_read_at": "2026-10-08T10:25:47.246Z"
          }
        },
        {
          "column": "Expert rating",
          "fact": {
            "field": "safety test",
            "value": "In ADAC's child seat test the Axkid Up was tested in 2025 and given an overall grade of 2.0 on ADAC's scale (0.5 very good to 5.5 poor), age class Kind, approved for 100 cm to 150 cm.",
            "stated_as": "- Axkid Up: tested 2025, ADAC overall grade 2,0, age class Kind, approved for 100 cm bis 150 cm.",
            "source_type": "guide",
            "source_url": "https://www.adac.de/rund-ums-fahrzeug/ausstattung-technik-zubehoer/kindersitze/kindersitztest/",
            "source_read_at": "2026-10-08T10:24:43.536Z"
          }
        }
      ]
    }
  ]
}