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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, Onyx

  • Based on 37 reviews
Condition: New
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Availability: In Stock.
Fulfilled by Amazon

Arrives Aug 26 – Aug 27
Order within 12 hours and 53 minutes
Available payment plans shown during checkout

Color: Onyx


Style: Car Seat


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: Onyx


Orientation: Forward Facing


Product Dimensions: ‎20.5 x 19.5 x 25 inches


Item model number: ‎E1C903S


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: Aug 26 – Aug 27

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


  • Best Carseat Ever!
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

  • Comfortable and easy to install
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

  • Love this car seat!
We got one as a gift and purchased a second one for my car once my little guy grew out of the travel system. It feels super sturdy and I thought installation was easy - but not so easy that I wanted to move it everytime we swapped cars. I love that it will grow with my toddler and won't need to purchase another, which made the price worth it for me. My toddler seems much more comfortable in this then the slimmer travel system car seat (which was also britax). If I have it fully reclined, I have no issues with my toddler's head falling forward when he dozes off. I plan to purchase 2 more once my new baby grows out of the travel system car seat. i cannot fit 3 across on my kia sorento but my husband's Ford F150 could easily fit 3 across. ... show more
Reviewed in the United States on April 14, 2024 by Amazon Customer

  • Good car seat
Bought this brand in 2021 when my son was born. Its great, we were in a car accident in February and my sons door was hit directly. I spun out of control and the car was totaled but no one was hurt thankfully! My son was just confused why mommy lost control of the vehicle but my 1 year old was screaming! She had a graco infant car seat that coordinated with the stroller after that I didn't feel safe with the car seat she was in also it was time for a toddler car seat so I purchased 2 of these to replace the ones involved in the accident. Love the car seat, they are heavy but the frame is steel so it makes sense. I love the memory foam the kids look so comfortable in it. I'd definitely buy again. ... show more
Reviewed in the United States on July 3, 2024 by None None

  • Great carseat for foster parents
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

  • Great
Easy setting up and doesn’t wiggle!!
Reviewed in the United States on August 10, 2024 by Taylor

  • LOVE!
From my perspective as a parent, the Britax One4Life car seat has been an absolute game-changer. Its versatility is unmatched, accommodating my child from infancy through their booster seat years with ease. The ClickTight installation system makes securing the seat in my vehicle straightforward and worry-free, ensuring my child's safety every time we travel. The seat's plush padding and multiple recline positions provide optimal comfort during long rides, which is a huge plus for both my child's happiness and my peace of mind. Overall, the Britax One4Life is not just a car seat; it's a reliable investment in safety and comfort that grows with my child, making it an essential choice for any parent. ... show more
Reviewed in the United States on July 19, 2024 by Kevin V.

  • Best carseat’
Have them for both my kids!
Reviewed in the United States on September 21, 2024 by Corrine

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