Search  for anything...
BRITAX

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, Performance Fabric, Cool Flow Carbon

    • Based on 298 reviews
Condition: New
Checking for product changes
$369.99 Why this price?
Save $50.00 was $419.99

Buy Now, Pay Later

As low as / mo
  • – Up to 36-month term with PayTomorrow
  • – No impact on credit
  • – Instant approval decision
  • – Secure and straightforward checkout

Ready to go? Add this product to your cart and select a plan during checkout. Payment plans are offered through our trusted finance partners Klarna, PayTomorrow, Affirm, Afterpay, Apple Pay, and PayPal. No-credit-needed leasing options through Acima may also be available at checkout.

Learn more about financing & leasing here.

Selected Option

Free shipping on this product

This item is eligible for return within 30 days of receipt

To qualify for a full refund, items must be returned in their original, unused condition. If an item is returned in a used, damaged, or materially different state, you may be granted a partial refund.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

Availability: 17 left in stock
Fulfilled by CapitalKidz
Arrives Jun 7 – Jun 11
Order within 16 hours and 27 minutes
Available payment plans shown during checkout

Recently Viewed

Color: Cool Flow Carbon


Style: Car Seat


Features

  • 10 YEARS OF USE: The Britax One4Life convertible 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 seat belt, and click the seat closed
  • PREMIUM PADDING AND COMFORT: The built-in cooling channels and Cool Flow mesh fabric improve airflow to help keep your child cool and comfortable
  • SAFETY YOU CAN TRUST: Equipped with a steel frame, SafeCell(TM) crumple zone, and patented V-shaped tether
  • 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
  • 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 features naturally flame-retardant fabrics with no added FR chemicals and is safe to machine wash and dry

Description

Enjoy safe travels from birth to big kid with the Britax One4Life Convertible 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. 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: Cool Flow Carbon


Orientation: Forward Facing


Product Dimensions: ‎20.5 x 19.5 x 25 inches


Item model number: ‎E1C904F


Minimum weight recommendation: ‎5 Pounds


Maximum weight recommendation: ‎120 Pounds


Maximum height recommendation: ‎63 Inches


Material Type: ‎Polypropylene


Material Composition: ‎steel


Care instructions: ‎Hand wash with mild soap


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: Jun 7 – Jun 11

Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

  • Klarna Financing
  • Affirm Pay in 4
  • Affirm Financing
  • Afterpay Financing
  • PayTomorrow Financing
  • Apple Pay Later
Leasing options through Acima may also be available during checkout.

Learn more about financing & leasing here.

Similar Products

Top Amazon Reviews

    • The Best Car Seat on the Market!
Color: Glacier Graphite Style: Car Seat
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
    • The Ultimate Car Seat for Safety and Versatility!
Color: Cool N Dry Moonstone Style: Seat
I recently purchased the Britax One4Life Convertible Car Seat and I couldn't be happier! This car seat is truly a game-changer. With its 10 years of use and ability to accommodate weights from 5 to 120 pounds, it's the only car seat I'll ever need. The transition from rear-facing infant seat to forward-facing booster seat is seamless and hassle-free. The performance fabric is not only comfortable but will keep my little one cool and dry even on hot summer days. I have complete peace of mind knowing that my child is safe and secure in this top-notch car seat. Five stars all the way! 🌟🚗👶 ... show more
Reviewed in the United States on February 7, 2024 by Snab468
    • Superior Safety and Comfort: Britax One4Life ClickTight All-in-One Car Seat
Color: Eclipse Black Style: 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
    • Best car seat EVER!
Color: Cool N Dry Moonstone Style: Seat
It’s such a safe car seat and will last for years! My daughter is comfy and it’s very sturdy seat 10/10 love it! Highly recommend to all parents. Make sure to buy the anti-rebound bar for the car seat so your child is protected in an accident.
Reviewed in the United States on February 17, 2024 by James T Garland
    • Comfortable and easy to install
Color: Onyx Style: Car Seat
This car seat is excellent so far. We initially had an infant car seat, but our little one grew too big for that one. We currently have him in the Britax in rear-facing mode and he loves it. The fabric is extremely soft, and the head rest is actually better than the one from our infant seat. The car seat was also very easy to install. We have a Toyota Camry and it fits perfectly in there. The only downside is that the seat is very heavy so I probably would not take it on a plane. ... show more
Reviewed in the United States on February 11, 2024 by ninjasword10
    • Grandson Approved!
Color: Cool Flow Carbon Style: Car Seat
Great Childs Car Seat...easy installation compared to other brands. My Grandson is very secure and comfortable. So, comfortable at times he doesn't want to get out. I would recommend this product to anyone that is looking for safety, quality, easy to clean and most of all being comfortable for your little ones on long trips. But, with all the wonderful qualities, you will pay a little more. My Grand Babies safety means more then what the cost. You know the old saying, "you get what you pay for". Thank you for an awesome Child Seat! ... show more
Reviewed in the United States on October 17, 2023 by Jeeper
    • Good price, good product
Color: Eclipse Black Style: Eclipse Black
This item was bought as a gift , so I can't comment on how good the product really is
Reviewed in the United States on December 8, 2023 by Gary Foster
    • Our Favorite!
Color: Eclipse Black Style: Eclipse Black
This is the one car seat that I would recommend to any parent. We have had both graco and britax convertible car seats. The Britax is the easiest to install, once secured in the seat it feels very tight and does not shift at all, SUPER easy to remove the material to wash and reattach .... we now have one for each kiddo and has done wonders for us over the years. WORTH THE MONEY!!!! ... show more
Reviewed in the United States on January 13, 2024 by H. Snyder

Can't find a product?

Find it on Amazon first, then paste the link below.