Britax UpNGo Backless Booster Car Seat – Raven Black | live price, prepared checkout
Built for shopping agents: what RoboTrunk does for every product
We asked shopping agents, including Meta's Muse first-hand, what they need from a store. This is what they asked for, and what we have built.
RoboTrunk is working through its catalogue, so a step may not be done for this one yet. Where a step is done per product, the line ends with what is done for this product.
- Deep research: We read the maker's manual, independent reviews, video review transcripts and the store's own page, and publish each finding with its source and the date read.
check_productreturns them with a source for each. This product: 35 checked facts, research depth trimmed read, checked 2026-10-13T01:35:51.283Z, in the evidence pack. - Receipts: Every published fact has a receipt showing its source quote.
check_productandget_productreturn the checked facts that have one. This product: each checked fact listed below has one; the source quotes are in the evidence pack. - Safety:
check_productasks the product-safety regulators live (US CPSC, NHTSA and FDA, Health Canada, the UK's OPSS, Australia's ACCC) whether a recall names a product, listed here or not, and flags a match with its notice; a recall never blocks the buyer. This product: this page holds no recall result for it yet;check_productasks the regulators now. - Recall watch:
watch_recallstells the buyer if a product bought here is recalled later. - Second-hand listings:
check_listingruns the same recall check on a second-hand listing someone found, and adds what the listing leaves out and the price new. - The real price: The full price to the buyer's country, with shipping and tax, each part quoted from the store's policy or, where a part is not settled, what the total depends on:
check_productandsearch_catalogtake the buyer's country and postcode. This product: this store's price was read from its catalogue at 2026-10-20T19:29:27.892Z. - A checkout that finishes: RoboTrunk lists only stores whose agent checkout it has verified.
create_checkoutprepares the order at the store;complete_checkoutreturns a link to the store's own checkout. The checkout can be finished in either of two ways: the person taps the link in their own browser, or their agent opens it and completes the checkout. RoboTrunk checks the store's total against a budget ceiling before it issues the link. Payment always happens on the store's own page, and RoboTrunk never holds the money. No store pays for placement; RoboTrunk may earn a commission from some stores via their affiliate programs. - Markdown copy: Every page has a Markdown copy: this page's copy.
- Photos and ratings: Search results carry the product photo and, where the store's own page publishes one, its rating (
search_catalog). - Fit answers:
check_fitanswers whether a listing fits a car, pram or bottle, with the exact quote from the store's page, or says it is not known. - Back-in-stock watches:
watch_back_in_stockstarts a watch on a listing the store shows as sold out;get_back_in_stock_watchshows when it is back in stock. - Maker's manual:
ask_product_manualanswers from the maker's manual with the exact passage and page, or says the manual does not cover it. - Tools and guide: Every tool and its description is at https://robotrunk.com/mcp; the guide is at /agents.md.
- Research from other stores: Coming soon: reading other stores' listings of the same product as research sources.
Sold and shipped by strolleria.com, strolleria.com; payment happens on the store's own checkout.
Brand: Britax
- Default Title: USD 59.99; in stock. Variant id
gid://shopify/ProductVariant/43145797599306- Seller: strolleria.com. Price: USD 59.99. Stock: in stock. Variant: Default Title, variant id
gid://shopify/ProductVariant/43145797599306. shipping not recorded; confirmed at merchant checkout. returns not recorded; confirmed at merchant checkout. Public evidence. Comparison page. Get ready to buy from strolleria.com: prepare checkout.
- Seller: strolleria.com. Price: USD 59.99. Stock: in stock. Variant: Default Title, variant id
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. 35 checked facts, checked 2026-10-13T01:35:51.283Z. Research depth: trimmed read. Deep read: the store's own data and 10 outside pages (the store's own product page; maker page; manual; other; review; 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: A CPSC (United States) recall search for Britax and this model returned no recall records. A Health Canada open-data search returned 23 Britax records, including child car seat and booster seat recalls, but none names or identifies the UpNGo backless booster or its SKU, so no recall applies to this exact model on the evidence read. 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): The programme's published list of 216 rated seats includes many Britax Safe-N-Sound models but no UpNGo backless booster; the list is complete for seats CREP has rated, so this model has not been rated by CREP. NHTSA's Car Seat Ease of Use Ratings (United States): The published list of 126 rated seats contains several Britax boosters (Skyline, Highpoint, Grow With You) but no UpNGo; the list is complete, so this model has no NHTSA ease-of-use rating. These are ease-of-use ratings, not crash-test results. ADAC's child seat test (Germany, the UK and Europe): The published list of 527 tested seats includes many Britax Römer seats but no UpNGo; the list is complete for seats tested there since 2015, so this model has not been tested 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.
- product weight: Sources disagree on seat weight: the store listings give 3.1 lb, while Consumer Reports gives 5 lb.. Source: https://strolleria.myshopify.com/products.json (listing), read 2026-10-12T20:06:05.806Z.
- dimensions: Assembled dimensions are 15.5 inches long, 17.1 inches wide and 9 inches high.. Source: https://strolleria.myshopify.com/products/britax-upngo-backless-booster-car-seat-raven-black (guide), read 2026-10-13T01:06:58.930Z.
- child weight and height limits: The maker designs this booster for children weighing 40 to 120 lbs and measuring 46 to 63 inches tall.. Source: https://us.britax.com/shop/car-seats/upngo-backless-belt-positioning-booster-seat (guide), read 2026-10-13T01:07:00.569Z.
- user guide availability: The maker's support library lists the UpNGo in its car seat user guide index, with a manufacture date range shown as present.. Source: https://us.britax.com/support/instructional-videos-and-user-manuals (manual), read 2026-10-13T01:07:05.542Z.
- installation position: The booster must go on a forward-facing vehicle seat that has both a head restraint and a lap-and-shoulder belt; side- or rear-facing vehicle seats are not allowed.. Source: https://us.britax.com/support/frequently-asked-questions/belt-positioning-boosters (guide), read 2026-10-13T01:07:07.408Z.
- lab test score and ranking: Consumer Reports gave this booster an overall tested score of 47 and placed it 9th out of 12 backless boosters it ranked.. Source: https://www.consumerreports.org/babies-kids/car-seats/britax-upngo/m421481/ (review), read 2026-10-13T01:07:15.218Z.
- three-across fit not guaranteed: The maker does not guarantee that three of these seats will fit across every vehicle's back seat.. Source: https://strolleria.myshopify.com/products.json (listing), read 2026-10-12T20:06:05.806Z.
- packaging and shipping size: It ships in a carton 15.6 inches long, 17.7 inches wide and 9.5 inches high, weighing 4.74 lbs.. Source: https://strolleria.myshopify.com/products/britax-upngo-backless-booster-car-seat-raven-black (guide), read 2026-10-13T01:06:58.930Z.
- seat width and three-across fit: The seat is 17.1 inches wide (SpaceSaver design), intended to leave room for siblings or carpoolers.. Source: https://us.britax.com/shop/car-seats/upngo-backless-belt-positioning-booster-seat (guide), read 2026-10-13T01:07:00.569Z.
- shoulder belt guide use: The shoulder belt guide is only needed when the vehicle belt does not lie flat across the centre of the child's shoulder and chest.. Source: https://us.britax.com/support/frequently-asked-questions/belt-positioning-boosters (guide), read 2026-10-13T01:07:07.408Z.
- lab test sub-scores: In the same lab testing it scored 3 out of 5 for backless booster fit and 3 out of 5 for ease of use; highback fit does not apply to this seat.. Source: https://www.consumerreports.org/babies-kids/car-seats/britax-upngo/m421481/ (review), read 2026-10-13T01:07:15.218Z.
- fabric feel: The cover is a soft, smooth knit fabric.. Source: https://strolleria.myshopify.com/products.json (listing), read 2026-10-12T20:06:05.806Z.
- what is included: The box contains the UpNGo Backless Booster Seat and two removable cup holders.. Source: https://strolleria.myshopify.com/products/britax-upngo-backless-booster-car-seat-raven-black (guide), read 2026-10-13T01:06:58.930Z.
- warranty: Britax gives a 1 year warranty on this booster.. Source: https://us.britax.com/shop/car-seats/upngo-backless-belt-positioning-booster-seat (guide), read 2026-10-13T01:07:00.569Z.
- aircraft use: This booster is not certified for use on airplanes because it needs a lap-and-shoulder belt.. Source: https://us.britax.com/support/frequently-asked-questions/belt-positioning-boosters (guide), read 2026-10-13T01:07:07.408Z.
- lap belt positioning problem: Testers reported difficulty getting a correct lap belt position in some vehicles, so the manual must be read to route the belt properly and check the fit on the child.. Source: https://www.consumerreports.org/babies-kids/car-seats/britax-upngo/m421481/ (review), read 2026-10-13T01:07:15.218Z.
- seat belt compatibility: It is a belt-positioning booster, meant to position the vehicle's own seat belt over the child.. Source: https://strolleria.myshopify.com/products/britax-upngo-backless-booster-car-seat-raven-black (guide), read 2026-10-13T01:06:58.930Z.
- portability: Britax lists a built-in carry handle and weight under 4 lb; sources disagree on weight, as Consumer Reports lists 5 lb and the store listings give 3.1 lb.. Source: https://us.britax.com/shop/car-seats/upngo-backless-belt-positioning-booster-seat (guide), read 2026-10-13T01:07:00.569Z.
- expiration date: The UpNGo backless booster expires 10 years from the date of manufacture, which is printed on a label on the bottom of the seat.. Source: https://us.britax.com/support/frequently-asked-questions/belt-positioning-boosters (guide), read 2026-10-13T01:07:07.408Z.
- shoulder belt near the neck: The shoulder belt was reported to sit too close to the neck on some children, which the belt clip/shoulder belt guide is used to correct.. Source: https://www.consumerreports.org/babies-kids/car-seats/britax-upngo/m421481/ (review), read 2026-10-13T01:07:15.218Z.
- comfort and materials: The seat is contoured, with breathable foam and soft padding plus large padded armrests.. Source: https://us.britax.com/shop/car-seats/upngo-backless-belt-positioning-booster-seat (guide), read 2026-10-13T01:07:00.569Z.
- difference from UpNGo Click: Britax says the non-Click UpNGo has no LATCH system; sources disagree, as Consumer Reports describes optional lower anchors.. Source: https://us.britax.com/support/frequently-asked-questions/belt-positioning-boosters (guide), read 2026-10-13T01:07:07.408Z.
- belt clip necessity: Testers found the included shoulder belt clip necessary to get good shoulder belt placement in some vehicles.. Source: https://www.consumerreports.org/babies-kids/car-seats/britax-upngo/m421481/ (review), read 2026-10-13T01:07:15.218Z.
- fabric treatment: The fabrics are naturally flame-retardant with no added FR chemicals.. Source: https://us.britax.com/shop/car-seats/upngo-backless-belt-positioning-booster-seat (guide), read 2026-10-13T01:07:00.569Z.
- user guide reference: The maker's own belt-positioning guidance for the shoulder belt guide is on page 15 of the user guide.. Source: https://us.britax.com/support/frequently-asked-questions/belt-positioning-boosters (guide), read 2026-10-13T01:07:07.408Z.
- ease of use: Despite the belt-fit caveats, testers judged the seat fairly straightforward and easy to use, helped by its color-coded belt paths.. Source: https://www.consumerreports.org/babies-kids/car-seats/britax-upngo/m421481/ (review), read 2026-10-13T01:07:15.218Z.
- cover care: The cover can be machine washed and dried.. Source: https://us.britax.com/shop/car-seats/upngo-backless-belt-positioning-booster-seat (guide), read 2026-10-13T01:07:00.569Z.
- listed strengths: Consumer Reports lists light weight, flame-retardant-chemical-free fabrics, a removable washable cover, a belt clip and lower-anchor attachment as strengths; sources disagree on lower anchors, as Britax says the non-Click UpNGo has no LATCH system.. Source: https://www.consumerreports.org/babies-kids/car-seats/britax-upngo/m421481/ (review), read 2026-10-13T01:07:15.218Z.
- cup holders: The two cup holders are dishwasher-safe and removable for cleaning between rides.. Source: https://us.britax.com/shop/car-seats/upngo-backless-belt-positioning-booster-seat (guide), read 2026-10-13T01:07:00.569Z.
- lower anchors differ from maker: This reviewer describes optional lower anchors for securing the seat when it is not occupied, which differs from the maker's statement that the non-Click UpNGo has no LATCH system.. Source: https://www.consumerreports.org/babies-kids/car-seats/britax-upngo/m421481/ (review), read 2026-10-13T01:07:15.218Z.
- posture support: The PosturePlus contoured seat is designed to encourage proper posture and seat belt positioning.. Source: https://us.britax.com/shop/car-seats/upngo-backless-belt-positioning-booster-seat (guide), read 2026-10-13T01:07:00.569Z.
- listed seat weight differs from maker: Sources disagree on seat weight: Consumer Reports lists 5 lb, the store listings give 3.1 lb, and Britax's product page says under 4 lb.. Source: https://www.consumerreports.org/babies-kids/car-seats/britax-upngo/m421481/ (review), read 2026-10-13T01:07:15.218Z.
- belt guides: Color-coded belt guides help children learn to buckle up correctly on their own.. Source: https://us.britax.com/shop/car-seats/upngo-backless-belt-positioning-booster-seat (guide), read 2026-10-13T01:07:00.569Z.
- minimum age advice: The maker states no minimum age for this booster; this reviewer's safety experts advise moving to a booster only after a child outgrows a forward-facing harnessed seat and is at least 4 years old.. Source: https://www.consumerreports.org/babies-kids/car-seats/britax-upngo/m421481/ (review), read 2026-10-13T01:07:15.218Z.
- shoulder belt guide: The shoulder belt guide helps keep the shoulder belt in the correct position as the child grows.. Source: https://us.britax.com/shop/car-seats/upngo-backless-belt-positioning-booster-seat (guide), read 2026-10-13T01:07:00.569Z.
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 maker's page, the manual, other pages about it, owner reviews, 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 regulator recall notices, blogs, owner forums 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.
- Which safety standard or certification does this seat carry?
- Does the dark Raven Black fabric rub off or transfer onto clothing?
- How thick is the seat cushion in inches?
- What minimum age does Britax recommend for using this booster?
- Are replacement covers or cup holders sold separately?
- Does the cover shrink or pill after machine washing and drying?
- Does the seat sit flat on deeply contoured vehicle seats?
- Can two adults still sit beside it in a compact back seat?
To buy this through RoboTrunk, pass merchant strolleria-com, product_id gid://shopify/Product/8085815623754 and one variant_id from the list above.
Product image of Britax UpNGo Backless Booster Car Seat – Raven Black, supplied by strolleria.com: https://cdn.shopify.com/s/files/1/1149/0150/files/peg5z8ppuopvmrlo85m2.jpg?v=1765544926
This product on strolleria.com
Retrieved 2026-10-20T19:29:27.892Z from https://strolleria.myshopify.com/products.json
This page is published by RoboTrunk, a store built for shopping agents. The store named on this page sells the product and ships it. RoboTrunk is not the seller and never holds the money. Buying works in one path. RoboTrunk's tools prepare a checkout at that store, then hand back a short-lived link. The person approves the total; once RoboTrunk has checked the store's total against it, the person is given the checkout link to tap in their own browser, or, if the person prefers and gives permission, their agent may open the link and finish there, and payment always happens on the store's own checkout page. RoboTrunk never takes the payment or sees a card. Where the rest of this site is: - /agent/story.md is what RoboTrunk is and how it works, in full. - /agent/tools.json is every tool, its arguments and its answers. - /agent/merchants is every store you can buy from through RoboTrunk. - /products/ucp is every store's indexed products. - /products/search is one search across every store, in plain words.