| Mode | Weight | Height |
|---|---|---|
| Rear-facing harness | 3–30 lb | 15.7–32 in |
- Seat weight
- 8.17 lb
- Width
- 19 in
- Usable life
- See label
- Aircraft
- Certified
$149.99River Stone · Amazon price as of 2026-11-02 17:38 UTC, subject to change
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Evenflo LiteMax NXT Infant Car Seat with SensorSafe
$249.99
Price on Amazon.com as of 2026-11-02 17:38 UTC, and subject to change.
An infant car seat with one mode: rear-facing harness 3 to 30 lb, 15.7 to 32 in.
At a glance
- Fits children from 3 to 30 lb
- Up to 32 in tall
- Rear-facing harness only
- Seat weighs 8.6 lb
- 17.83 in wide
- Certified for aircraft use
Check the current price
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CERTAIN CONTENT THAT APPEARS ON THIS SITE COMES FROM AMAZON. THIS CONTENT IS PROVIDED ‘AS IS’ AND IS SUBJECT TO CHANGE OR REMOVAL AT ANY TIME.
Who is the LiteMax NXT Infant Car Seat with SensorSafe for?
The LiteMax NXT with SensorSafe is a rear-facing infant car seat for babies from 3 to 30 lb and 15.7 to 32 in, with at least 1 in of shell above the head. The 8.6 lb carrier uses a LATCH or seat-belt base with a LockStrong arm, or belts in alone. Expiry is printed on the label.
Reasons to consider it
- Babies from 3 lb, with the infant insert required from 3 to 6 lb
- A no-rethread harness that moves with the headrest
- SensorSafe alerts for temperature, an unattended child, time buckled and the chest clip opening
- Carrier-only installation with a lap or lap-shoulder belt
Things to weigh up
- Evenflo's page says 7-position headrest; the manual describes eight locked positions
- No expiry years published, only a date on the label
- The SafeZone load leg is an accessory sold separately
- The handle has two locked positions, Carry and Storage
My take on the LiteMax NXT Infant Car Seat with SensorSafe
This is the LiteMax NXT without the light-and-sound handle: a no-rethread harness, a SensorSafe chest clip that talks to a phone app, and a base with a recline foot and LockStrong arm. It suits parents who want the app alerts but not SensorySoothe. The main listed difference from the SensorySoothe version is the handle, since Evenflo lists the same limits, weight and width for both.
A research summary of Evenflo’s published specifications and manual, read . Not a hands-on test or a crash-safety rating.
Who the LiteMax NXT Infant Car Seat with SensorSafe fits
This seat covers one stage. Check the date label on the shell before using a hand-me-down; every seat has an expiry.
- Rear-facing harness3 to 30 lb · 15.7 to 32 in
- The child faces the back of the car, which keeps the head, neck and spine supported in a frontal crash. Keep this mode as long as the child fits it.
What are the LiteMax NXT Infant Car Seat with SensorSafe weight, height and age limits?
| Mode | Child weight | Child height | Minimum age | Conditions |
|---|---|---|---|---|
| Rear-facing harness | 3 to 30 lb | 15.7 to 32 in | Not published | Top of child's head at least 1 in below top of seat back. |
A child must meet every limit for the mode they use. The labels on your seat and its manual are the final word.
LiteMax NXT Infant Car Seat with SensorSafe specifications
- Seat weight
- 8.6 lb
- Width
- 17.83 in
- Depth
- 27.32 in
- Height
- 26.77 in
- Usable life
- See the date label on the seat
- Aircraft use
- Certified for aircraftManual lists aircraft among certified uses and gives aircraft installation instructions (carrier without base).
- Headrest positions
- 7
How the LiteMax NXT Infant Car Seat with SensorSafe installs
- Harness
- No-rethread harness. Check the harness height at each growth spurt: at or below the shoulders rear-facing, at or above them forward-facing.
Every install is a fit between one seat and one vehicle. Read both manuals, and use a free inspection station if anything is unclear.
Will it fit your car?
At 17.83 in at its widest, measure your back seat before counting on three across. It weighs 8.6 lb, which matters if you will move it between cars or carry it through an airport.
- Check your vehicle manual for lower anchor positions and any head-restraint rules.
- Rear-facing seats need front-seat room: try the install behind the driver before you commit.
- Certified for aircraft use, so it can travel as a seat rather than checked baggage.
What features does the LiteMax NXT Infant Car Seat with SensorSafe have?
- SensorSafe
- 7-position headrest
- No-rethread harness
- LockStrong belt tensioning
- Green & Gentle fabric
- Stay-in-car base
Colors listed in the US
Anchor Gray, Primrose Pink.
What to know before you live with it
Installing the base
Park on level ground. For LATCH, take the connectors from their storage under the base, set the 4-position recline foot until the indicator is green, open the LockStrong arm, clip on and tighten while pushing down with your full weight, then close the arm until it clicks and the lock indicator turns green. Spare strap goes back through the belt path opening, not under the arm. For a seat belt, store the connectors, route the belt through the side openings under the belt-guide hooks, buckle, tighten and close the arm. The manual says not to use LATCH and the seat belt together, and the base may not move more than 1 in at the belt path.
Source: Evenflo LiteMax NXT owner's manual, SensorSafe listing (PDF)
Using the carrier without the base
The carrier can be installed with only the vehicle belt. A lap belt runs through the belt guides on the carrier. With a lap-shoulder belt, the lap part goes through the guides and the shoulder belt wraps around the back of the shell into the rear shoulder belt guide. The belt must be locked, and the manual says to use a locking clip if it does not lock. The level line on the shell must be level with the ground, and a rolled towel or small blanket may go under the front edge so the baby's head lies back. The handle must be in a locked position.
Source: Evenflo LiteMax NXT owner's manual, SensorSafe listing (PDF)
What SensorSafe does and does not do
The chest clip pairs with the SensorSafe mobile app and, per the manual, alerts your phone to four conditions: unexpected chest clip unbuckling, a car that is too hot or too cold, a child left unattended, and a child seated too long. It is still a chest clip, so it sits centered at armpit level and clicks together like the standard clip. The alerts do not replace checking the harness each ride. The manual's checklist still asks for straps at or below the shoulders, both buckle tongues fastened and a harness snug enough that you cannot pinch it.
Source: Evenflo LiteMax NXT owner's manual, SensorSafe listing (PDF)
Is the LiteMax NXT Infant Car Seat with SensorSafe recalled?
- 26C002000: does not cover this model. The Part 573 report limits this recall to the LiteMax Factory Select, model CS100111198, built November 1, 2024 to January 28, 2026, for an error in its Spanish manual. The LiteMax NXT with SensorSafe (CS100412531, CS100412532) is a different seat and model number. Campaign source (read ).
- 25C003000: does not cover this model. The Part 573 report covers only Canadian-market seats and travel systems with listed model numbers ending in C (for example 34912258C, 38412311C, 3811198C, 35012433C), listed with production dates January 1, 2018 to December 31, 2024 and shipped to US buyers without a US registration card; the population is defined by those numbers. This product's US model numbers CS100412531 and CS100412532 are not listed. Campaign source (read ).
Each campaign naming this family was read against this model’s numbers and build dates, and none covers it. Still check your seat’s model number and date of manufacture before use, especially on a used seat.
LiteMax NXT Infant Car Seat with SensorSafe: common questions
What are the LiteMax NXT SensorSafe limits?
The manual gives 3 to 30 lb and 15.7 to 32 in, and the top of the head must be at least 1 in below the top of the seat back. Use ends when any one limit is passed.
Evenflo LiteMax NXT owner's manual, SensorSafe listing (PDF) (opens in a new tab)
How big is the LiteMax NXT SensorSafe?
Evenflo lists it at 17.83 in wide, 27.32 in deep and 26.77 in high, and the seat at 8.6 lb. The box holds one infant car seat and one base.
Evenflo LiteMax NXT Infant Car Seat with SensorSafe product page (opens in a new tab)
Can I take it on an airplane?
The manual lists aircraft as a certified use for the carrier with the internal harness, and it says not to install the base in an aircraft. It also says to check with the airline first.
Evenflo LiteMax NXT owner's manual, SensorSafe listing (PDF) (opens in a new tab)
How do I wash the cover?
The manual says to machine wash the soft goods separately in cold water on a delicate cycle with no chlorine bleach, then tumble dry for 10 to 15 minutes on low heat. The harness is wiped clean with mild soap and water and air dried.
Evenflo LiteMax NXT owner's manual, SensorSafe listing (PDF) (opens in a new tab)
Is the SensorySoothe version a different seat?
Evenflo lists the SensorySoothe version with the same 3 to 30 lb range and 8.6 lb product weight. Its handle adds lights, music and sounds, and the Evenflo app customizes the soothing scenes.
Evenflo LiteMax NXT Infant Car Seat with SensorySoothe product page (opens in a new tab)
Answers refer to the model and manual version on this page. Check the instructions supplied with your seat.
Before you buy
- Weigh and measure your child. The limits above are the manufacturer’s, and a child has to meet all of them for the mode they will use.
- Confirm the exact version. Colors, retail exclusives and model numbers change limits more often than you would expect; Evenflo lists 2 colors of this seat.
- Read the manual before you buy, not after. It is linked above and holds the fit rules, the install methods and the expiry.
- Check recalls by model number and date of manufacture, and register the seat with Evenflo so you hear about the next one.
Sources
Other Evenflo infant car seats
| Model | Top child weight | Seat weight | Width | Usable life |
|---|---|---|---|---|
| LiteMax NXT Infant Car Seat with SensorSafe (this seat) | 30 lb | 8.6 lb | 17.83 in | — |
| LiteMax NXT Infant Car Seat with SensorySoothe | 30 lb | 8.6 lb | 17.83 in | — |
| LiteMax NXT Infant Car Seat | 30 lb | 8.6 lb | — | — |
| LiteMax 30 Infant Car Seat | 30 lb | 8.17 lb | 19 in | — |
| LiteMax Sport Infant Car Seat | 30 lb | 8.17 lb | 19 in | — |
| NurtureMax Infant Car Seat | 22 lb | 9 lb | 14.76 in | — |
| Shyft DualRide Infant Car Seat and Stroller Combo | 30 lb | 29 lb | — | — |
Seats to compare with the LiteMax NXT Infant Car Seat with SensorSafe
Other infant seats whose published weight and height limits overlap the LiteMax NXT Infant Car Seat with SensorSafe.
| Mode | Weight | Height |
|---|---|---|
| Rear-facing harness | 3–30 lb | 15.7–32 in |
- Seat weight
- 8.6 lb
- Width
- Not published
- Usable life
- See label
- Aircraft
- Not stated
| Mode | Weight | Height |
|---|---|---|
| Rear-facing harness | 3–30 lb | 15.7–32 in |
- Seat weight
- 8.6 lb
- Width
- 17.83 in
- Usable life
- See label
- Aircraft
- Certified
$299.99Quartz · Amazon price as of 2026-11-02 17:38 UTC, subject to change
| Mode | Weight | Height |
|---|---|---|
| Rear-facing harness | 3–30 lb | 15.7–32 in |
- Seat weight
- 8.17 lb
- Width
- 19 in
- Usable life
- See label
- Aircraft
- Certified
$179.99Price on evenflo.com as of 2026-10-07 05:46 UTC, subject to change