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Britax One4Life Convertible Car Seat, 10 Years of Use from 5 to 120 Pounds, Converts from Rear-Facing Infant Car Seat to Forward-Facing Booster Seat, Machine-Washable Fabric, Iris Onyx

  • Based on 424 reviews
Condition: New
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Availability: In Stock.
Fulfilled by Amazon

Arrives Wednesday, Jun 5
Order within 14 hours and 56 minutes
Available payment plans shown during checkout

Color: Iris Onyx


Features

  • 10 YEARS OF USE: The Britax One4Life all-in-one car seat delivers comfort and security from 5 to 120 pounds and up to 63 inches tall
  • ONE CAR SEAT FOR LIFE: This car seat features 4 configurations, including rear facing infant car seat, rear facing toddler car seat, forward facing 5 point harness car seat, and forward facing high back booster seat
  • INSTALL WITH CONFIDENCE: ClickTight(R) technology makes installation easy simply open the seat, thread and buckle the seatbelt, and click the seat closed
  • SAFETY YOU CAN TRUST: Equipped with a steel frame, SafeCell(TM) crumple zone, patented V-shaped tether, and two layers of energy management
  • A SECURE FIT IN SECONDS: The 15-position headrest and harness move together using one hand, so you can quickly find the proper fit as your baby grows (no rethreading)
  • REMOVABLE INSERT AND PILLOW: Helps keep your baby safe and comfortable under 20 lbs, and the tag-free headrest and pillow provide additional comfort and support without irritation
  • 9-RECLINE POSITIONS: Quickly adjust between 9-recline positions and use the easy-read level indicators to find the correct angle for your vehicle
  • PREMIUM PADDING AND COMFORT: The built-in cooling channels and ventilated mesh improve air flow to keep your child comfortable during every trip
  • DISHWASHER-SAFE CUP HOLDERS: The 2 removable cup holders can be used for your little one's drink or snack and easily twist out for cleaning between rides
  • MACHINE-WASHABLE COVER: The easy-to-remove car seat cover is safe to machine wash and dry; fabric and foam construction is naturally flame retardant

Description

Enjoy safe travels from birth to big kid with the Britax One4Life all-in-one car seat. This car seat features 4 configurations, including rear facing infant car seat, rear facing toddler car seat, forward facing 5 point harness car seat, and forward facing high back booster seat. Start with the rear facing car seat for infants and toddlers, then graduate to the forward facing car seat and booster car seat for preschoolers and big kids. ClickTight technology makes it easy to install your new baby car seat with confidence. Simply open the seat, follow the path to thread the seat belt, buckle it, and click the seat closed. The One4Life all in one car seat is outfitted with a high-strength steel frame, a SafeCell crumple zone, and a patented V-shaped tether. The protective seat shell and foam-lined headrest help absorb impact energy and are designed to help keep your child's head, neck, and body safe. Adjust the 15-position headrest and no-rethread harness at the same time, so you can find a secure fit in seconds. Quickly adjust between 9 recline positions and use the easy-read level indicators to find the correct angle. The Britax One4Life comes with an easy-to-remove, machine-washable cover, and the knit construction is naturally flame-retardant.

Brand: BRITAX


Installation Type: Seat Belt


Material: Polypropylene


Color: Iris Onyx


Orientation: Forward Facing


Product Dimensions: ‎20.5 x 19.5 x 25 inches


Item model number: ‎E1C903Y


Minimum weight recommendation: ‎5 Pounds


Maximum weight recommendation: ‎120 Pounds


Maximum height recommendation: ‎63 Inches


Material Type: ‎Polypropylene


Material Composition: ‎steel


Care instructions: ‎Machine Wash


Style: ‎Car Seat


Number of reclining positions: ‎15


Batteries required: ‎No


Orientation: ‎Forward Facing


Rear-facing minimum child weight: ‎5 Pounds


Rear-facing maximum child weight: ‎50 Pounds


Forward-facing minimum child weight: ‎22 Pounds


Forward-facing maximum child weight: ‎120 Pounds


Harness type: ‎5-Point


Item Weight: ‎30 pounds


Country/Region of origin: ‎USA


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Wednesday, Jun 5

Yes, absolutely! You may return this product for a full refund within 90 days of receiving it.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

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Top Amazon Reviews


  • The Best Car Seat on the Market!
Color: Glacier Graphite
I recently purchased my second Britax One4Life car seat for my little one after we were in a car wreck and I am absolutely thrilled with the outstanding quality and features it offers. This car seat has truly exceeded my expectations. We will never buy a different car seat again. First and foremost, safety is paramount when it comes to a car seat, and this product delivers on that front exceptionally well. The robust construction and the advanced safety features provide me with the peace of mind that my child is secure and protected while on the road. The easy-to-adjust harness and side-impact protection are notable features that add an extra layer of safety. Installation was surprisingly straightforward. The clear and detailed instructions, along with the user-friendly design, made it a hassle-free process. The ability to securely fasten the seat with both the LATCH system and seatbelt ensures a snug fit, and the stability of the car seat is evident once installed. By far the easiest car seat to take out and install. The adjustable recline feature is a game-changer, allowing for a customized and comfortable seating position for my little one, whether they're napping or enjoying the scenery. The versatility of this car seat is impressive. It accommodates a wide range of ages and sizes, meaning it will be a reliable companion for years to come. The ability to easily transition between rear-facing and forward-facing positions is a convenience that adds to the overall value of the product. ... show more
Reviewed in the United States on November 15, 2023 by Chris

  • Superior Safety and Comfort: Britax One4Life ClickTight All-in-One Car Seat
Color: Eclipse Black
The Britax One4Life ClickTight Car Seat is a standout choice for any parent prioritizing safety and comfort for their child. Its ClickTight installation system is a game-changer, ensuring the car seat is securely and correctly installed every time. The all-in-one design accommodates children from infancy to the booster stage, making it a long-term investment. The seat's high-quality materials and padding offer unparalleled comfort, while its robust safety features, including side-impact protection, give peace of mind. Adjustability for growth and easy cleaning add to its practicality. Five stars for this excellent, versatile car seat! ... show more
Reviewed in the United States on December 17, 2023 by Shan Siddique

  • Britax is the best
Color: Jade Onyx
This is our third britax car seat we have owned. They continually get better and better. These are top rated for safety. This model is so comfortable. I love that my baby can be in this very seat until she is done with a car seat all together. It is super easy to install. Click tight is the best. The padding comes off and is machine washable. Love the teal color too. Best bang for your buck! Will never buy a different brand car seat ever. BUY IT! ... show more
Reviewed in the United States on April 18, 2024 by Caleb C.

  • Great carseat for foster parents
Color: Onyx
We are foster parents and so we needed a seat that would work for kids of (potentially) many different ages. This seat is a great one. It's high quality and kiddo reports that it is comfortable. I drive a Tesla Model 3 sedan and it fits well in the rear seat on the passenger side while still allowing the armrest console to be used by another backseat passenger if needed. I love the no-rethread harness, too! Fairly easy to clean and install was easy, too, especially since this was the first carseat I had ever installed. ... show more
Reviewed in the United States on May 16, 2024 by Carolinahat

  • Best Carseat Ever!
Color: Onyx
This car seat may be on the pricier end….but you get what you pay for! We love this car seat. It’s so sturdy, easy to install, and both my kids love the comfort! My only complaint is that it’s really heavy but I think that’s another reason it’s so sturdy!
Reviewed in the United States on April 26, 2024 by Kendyl Browne

  • Easy to install and worth the price!
Color: Eclipse Black
This car seat is so easy to install, and it is so sturdy! It does not move and I feel at peace knowing my kiddos are safe in their seat! We did not use the infant feature for our kiddos and opted for using a carrier instead, but it’s nice that the seat adjusts to grow with the kiddo. Worth the price, in my opinion! ... show more
Reviewed in the United States on March 10, 2024 by Elizabeth Jensen

  • Safe,carseat Doesn't wiggle when buckled installed.
Color: Iris Onyx
The media could not be loaded. All in one seat, love that when the seat is installed in car that it's not shifting/moving its locked in place many refacing seats seem to still wiggle which is terrible. Comfy my almost one year old sits great in it no issues seems to be a awesome carseat... down side it is kinda of heavy if needing to swap from one vehicle to next..not hard to installed though. Would buy again if I ever needed to ... show more
Reviewed in the United States on April 14, 2024 by geana norwood geana norwood

  • Quality Car seat
Color: Jade Onyx
This car seat is super heavy duty and works extremely well. I only wish it wasn’t quite so heavy it’s not easy to carry around at all.
Reviewed in the United States on March 17, 2024 by Screenial

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