Evenflo Big Kid LX High Back Booster Car Seat | live price, prepared checkout

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Checked facts

Each fact below was checked against the source it cites before it was published. Each carries that source's link and the time RoboTrunk read it. 26 checked facts, checked 2026-10-19T04:29:44.456Z. Research depth: trimmed read. Deep read: the store's own data and 12 outside pages (the store's own product page; manual; review; forum; regulator recall search (CPSC (United States)); regulator recall search (Health Canada); official safety test results (CREP, the Child Restraint Evaluation Program); official safety test results (NHTSA's Car Seat Ease of Use Ratings); official safety test results (ADAC's child seat test)), each read in full by RoboTrunk and trimmed to its main content, then written up and checked. Facts from the maker or a manual quote the page word for word; what real users report is summarised with a link to the page read. Recall status was checked directly with CPSC (United States), Health Canada: Searches of CPSC's recall database for Evenflo (23 records) and Health Canada's recall open data (10 records) returned no recall for the Big Kid LX booster or any Big Kid booster; the Evenflo recalls listed cover gates, high chairs, activity centres, play yards, carriers and infant car seats instead. Official safety test results were looked up directly with CREP, the Child Restraint Evaluation Program, NHTSA's Car Seat Ease of Use Ratings, ADAC's child seat test: CREP, the Child Restraint Evaluation Program (Australia and New Zealand): CREP's published list of 216 rated seats names brands including Britax, Joie, Maxi-Cosi and Nuna, but none containing Evenflo or Big Kid LX, and the list is stated to be complete, so this booster has not been rated there. NHTSA's Car Seat Ease of Use Ratings (United States): NHTSA's published list of 126 rated seats includes 12 Evenflo seats (EveryKid, EveryFit, SureRide 65, Go Time, Maestro Sport and others) but not the Big Kid LX, and the list is stated to be complete, so no ease-of-use rating exists there for this exact model. ADAC's child seat test (Germany, the UK and Europe): ADAC's published list of 527 tested seats since 2015 contains no Evenflo or Big Kid LX entry, and the list is stated to be complete, so this seat has not been graded by ADAC. Not read, because they are member-only or refused RoboTrunk: Consumer Reports car seat ratings, Which? child car seat tests, JPMA certified products.

• modes of use: The seat is a high-back booster that converts to a no-back booster when the child is ready.. Source: https://top-stroll.myshopify.com/products.json (listing), read 2026-10-18T19:37:33.814Z.
• age and size limits: Sources disagree: the store lists 40–110 lb or 40–57 inches tall, while Consumer Reports and the Safety Restraint Coalition list 30–110 lb for highback mode and 40–110 lb for backless mode.. Source: https://top-stroll.myshopify.com/products/evenflo-booster-seat-big-kid-lx-high-back-static-black (guide), read 2026-10-19T04:06:04.843Z.
• manual: Evenflo's downloadable manuals cover only current-year models and owners are told to check the manufacture date and contact Evenflo for the instructions for their model year.. Source: https://www.evenflo.com/pages/manuals (manual), read 2026-10-19T04:06:31.533Z.
• lab verdict: Consumer Reports' lab assessment praises very good belt fit in highback mode and excellent labels and instructions, giving an overall score of 63 out of 100.. Source: https://www.consumerreports.org/babies-kids/car-seats/evenflo-big-kid-lx/m191150/ (review), read 2026-10-19T04:06:44.638Z.
• safety claims: Reported to meet and exceed US federal car seat standards, with side impact protection and energy-absorbing foam in the shell.. Source: https://800bucklup.org/reviews/evenflo-big-kid-lx/ (review), read 2026-10-19T04:06:50.713Z.
• width: Owners call the LX fairly narrow, and note its cup holders slide back into the seat so they add no extra width when not in use.. Source: https://www.car-seat.org/threads/narrowest-booster.161493/ (review), read 2026-10-19T04:06:56.191Z.
• dimensions: Sources disagree on dimensions: the store lists 16.0 × 28.0 × 18.0 inches; the Safety Restraint Coalition lists 16.5 × 19 × 33 inches; Consumer Reports lists a 16-inch base width, 17-inch overall width and 33-inch overall height.. Source: https://top-stroll.myshopify.com/products/evenflo-booster-seat-big-kid-lx-high-back-static-black (guide), read 2026-10-19T04:06:04.843Z.
• manual languages: Evenflo lists a Big Kid Highback 2-in-1 belt-positioning booster manual in English, Spanish and French, but no separate Big Kid LX entry.. Source: https://www.evenflo.com/pages/manuals (manual), read 2026-10-19T04:06:31.533Z.
• three across: A three-across fit worked well in a minivan's third row, where the belt retracted smoothly and stayed flat on the child's chest.. Source: https://csftl.org/evenflo-big-kid-amp-review/ (review), read 2026-10-19T04:06:42.166Z.
• belt guide flaw: Testers found the shoulder belt can bind in the belt guide, sometimes leaving slack in the belt.. Source: https://www.consumerreports.org/babies-kids/car-seats/evenflo-big-kid-lx/m191150/ (review), read 2026-10-19T04:06:44.638Z.
• cleaning: The seat pad is described as removable, wipe-clean and machine washable, making maintenance easy.. Source: https://800bucklup.org/reviews/evenflo-big-kid-lx/ (review), read 2026-10-19T04:06:50.713Z.
• weight: Sources disagree on seat weight: the store lists 9.8 lb, Consumer Reports lists 8 lb in highback mode and 4 lb backless, and the Safety Restraint Coalition lists 8.2 lb.. Source: https://top-stroll.myshopify.com/products/evenflo-booster-seat-big-kid-lx-high-back-static-black (guide), read 2026-10-19T04:06:04.843Z.
• scores: Scored 4 of 5 for booster fit with the back, 3 of 5 without the back, 4 of 5 for ease of use, and passed the structural integrity crash check.. Source: https://www.consumerreports.org/babies-kids/car-seats/evenflo-big-kid-lx/m191150/ (review), read 2026-10-19T04:06:44.638Z.
• fabric feel: The fabric is described as soft against the skin and the padding as reducing the feeling of being restricted.. Source: https://800bucklup.org/reviews/evenflo-big-kid-lx/ (review), read 2026-10-19T04:06:50.713Z.
• height adjustment: The headrest/back has six height positions adjusted with one hand.. Source: https://top-stroll.myshopify.com/products/evenflo-booster-seat-big-kid-lx-high-back-static-black (guide), read 2026-10-19T04:06:04.843Z.
• adjustment: The headrest adjusts by squeezing a handle behind the top of the headrest, and every version adjusts the same way.. Source: https://csftl.org/evenflo-big-kid-amp-review/ (review), read 2026-10-19T04:06:42.166Z.
• test currency: The model is not in active testing, so the published score may rest on older test methods.. Source: https://www.consumerreports.org/babies-kids/car-seats/evenflo-big-kid-lx/m191150/ (review), read 2026-10-19T04:06:44.638Z.
• portability: Called easy to move between cars because of its light weight, but the seat cannot be used on a plane because it is not FAA compliant.. Source: https://800bucklup.org/reviews/evenflo-big-kid-lx/ (review), read 2026-10-19T04:06:50.713Z.
• ratings: The Insurance Institute for Highway Safety rated the highback LX 'check fit' and the no-back version 'Best Bet'; a five-star government ease-of-use rating is also cited for the LX only.. Source: https://www.babybargains.com/evenflo-big-kid/ (review), read 2026-10-19T04:06:52.961Z.
• what is included: A belt clip is included to position the vehicle shoulder belt correctly.. Source: https://top-stroll.myshopify.com/products/evenflo-booster-seat-big-kid-lx-high-back-static-black (guide), read 2026-10-19T04:06:04.843Z.
• complaints: Common criticisms listed are the absence of lower anchors, modest support and no aircraft use.. Source: https://800bucklup.org/reviews/evenflo-big-kid-lx/ (review), read 2026-10-19T04:06:50.713Z.
• versions: The LX, DLX, Sport and Advanced versions are described as discontinued, differing mainly in padding and fabric, and reader feedback on the seat is summarised as positive.. Source: https://www.babybargains.com/evenflo-big-kid/ (review), read 2026-10-19T04:06:52.961Z.
• cup holders: Two cup holders are built into the seat.. Source: https://top-stroll.myshopify.com/products/evenflo-booster-seat-big-kid-lx-high-back-static-black (guide), read 2026-10-19T04:06:04.843Z.
• self buckling: Children could buckle themselves in without much trouble, and the LX's flip-up armrests and pull-out cup holders made no difference to that.. Source: https://csftl.org/evenflo-big-kid-amp-review/ (review), read 2026-10-19T04:06:42.166Z.
• padding and comfort: The seat pad is contoured and padded for longer journeys.. Source: https://top-stroll.myshopify.com/products/evenflo-booster-seat-big-kid-lx-high-back-static-black (guide), read 2026-10-19T04:06:04.843Z.
• identification: The variant is Static Black with SKU 31912230 and barcode 0328841973926.. Source: https://top-stroll.myshopify.com/products/evenflo-booster-seat-big-kid-lx-high-back-static-black (guide), read 2026-10-19T04:06:04.843Z.

The full evidence pack, with every citation, source and gap.

Questions we researched but could not confirm

Every fact above is cited. To find them we read the store listing, the manual, owner reviews, owner forums, the recall records of CPSC (United States) and Health Canada and the safety test results of CREP, the Child Restraint Evaluation Program, NHTSA's Car Seat Ease of Use Ratings and ADAC's child seat test and searched for the maker's page, regulator recall notices, blogs and video reviews. We also chased the questions below across those sources and found no reliable answer, so you know exactly where the evidence ends and never have to guess.

• How thick and soft is the seat padding in person?
• Does the fabric or the printed finish wear or rub off over time?
• What is Evenflo's warranty period for this booster?
• Which specific vehicle models has this seat been confirmed to fit?
• Can replacement covers or parts be bought separately?
• Do the cup holders feel sturdy or flimsy when a bottle is in them?
• How long does it take to assemble the back out of the box?
• Are tools needed to convert it from highback to backless?
• Does the included belt clip stay put on the shoulder strap?
• How much room does the seat leave for a passenger beside it?

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