Which strollers does the Britax B-Safe 35 fit?

0 strollers take it with no adapter and 1 with one adapter, according to the makers.

An infant carrier on a stroller in the park (illustration) — Illustration

Britax

B-Safe 35

Carrier weighs 10 lb

How to install it in the car

Several Britax B-Safe versions exist. Which one is yours?

Check price

Mockingbird strollers that take the Britax B-Safe 35

You'll need this adapter.

Adapter you need

Mockingbird 5-in-1 car seat ring

about $50 · for 1 seat below

Get it

Illustration
MockingbirdSingle Stroller 2.0 *27 lb+ adapter
Check price

* The maker names the model but not which version; open the card for what to check.

Key specs

Child weight: 4–35 lb
Child height: up to 32 in
Carrier weight: 10 lb
Install: With the base or without
Expires: 6 years after it was made

About the Britax B-Safe 35

The Britax B-Safe 35 is a rear-facing infant car seat for babies from 4 to 35 lb and up to 32 in tall. The carrier alone weighs 10 lb. Base: safeCenter LATCH base; seat belt with integrated lock-offs. Britax gives it a 6-year life from the date of manufacture. Britax points to fits 4 to 35 lb, side impact protection, crumple zone, steel frame, safecenter latch base and 4 more; see the details below.

Highlights

Fits 4 to 35 lbRear-facing for babies from 4 to 35 lb and under 32 inches tall. Britax product page
Side impact protectionA foam-lined shell wraps around the baby's head, neck and torso. Britax product page
Crumple zone, steel frameThe base has a crumple zone and a steel frame. Britax product page
SafeCenter LATCH baseThe base installs with lower anchors and tightens with center-pull straps. Britax product page
Seat belt lock-offsThe base can also go in with the vehicle seat belt using built-in lock-offs. Britax product page
Level indicators, spring reclineLevel indicators and a one-handed recline help set the base at the right angle. Britax product page
Removable washable coverThe cover comes off for cleaning. Britax product page
Clicks into Britax strollersPairs with Britax single strollers as a travel system. Britax product page

Putting a travel system together (illustration)

Build your travel system

Pick the other half to see the whole set at the makers' list prices.

Pick a stroller

List prices from the makers; stores and sales vary.

Three strollers side by side (illustration)

Compare the B-Safe 35 with similar infant seats

The closest seats of the same kind by weight and price. Every figure is the maker's.

	BritaxB-Safe 35This one	ChiccoKeyFit 35	UPPAbabyMesa (original)	UPPAbabyMesa Max
Carrier weight	10 lb	10 lb	9.9 lb	9.9 lb
Baby weight up to	35 lb	35 lb	—	35 lb
Baby height up to	32 in	32 in	—	32 in
Without the base	Yes	Yes	—	Yes
On a plane	—	Yes	—	Yes
Expires after	6 yrs	6 yrs	—	7 yrs
Strollers that fit	1	15	16	14
…with no adapter	0	2	6	6
List price	—	$229.99	—	—
	Check price	Check price	Check price	Check price

Putting it in the carHow to install the Britax B-Safe 35 →Britax's steps for the base with LATCH, the base with the seat belt, no base with a lap belt, the carrier on and off the base, and which bases it goes with.

How to use the Britax B-Safe 35

Step-by-step guides from the maker's manual. Pick one.

Canopy

1To take the canopy off, unhook its elastic and push the button.
2Lift the canopy up from both sides.
3To put it back, slide the canopy into the slot and hook the elastic onto the seat shell.
4Tuck the elastic at the back of the canopy into the channel on the seat shell.

Retold from Britax manual (PDF) (archived copy).

Common problems with the Britax B-Safe 35

1. Find the serial label on the seat.
2. The date of manufacture is printed on that label.
3. Many seats made after 2018 also print the expiration date on the same label.
4. If you only see the manufacture date, check the Warnings section of the user guide for how long the seat can be used and count from that date.
1. Look on the inside of the stroller frame, just above the basket.
2. Britax says its strollers do not have an expiration date, unlike its car seats.
1. Britax seats generally expire 6 to 10 years after the date of manufacture; it depends on the model.
2. Your car seat manual gives the exact period for your seat.
3. Stop using the seat once it reaches that date.
1. Open the user guide for your seat.
2. It has a diagram that shows where the serial label sits on that model.
3. Britax posts its user guides on its website if you have lost the paper copy.
1. Press the release button on the lower connector adjuster and pull the strap to make it loose.
2. Open the ClickTight panel.
3. Unclip the lower connectors and pull them out of the belt path.
4. Lift the base (or seat) out of the car.
1. Unbuckle the car's seat belt.
2. Open the ClickTight panel.
3. Pull the seat belt out of the belt path.
4. Lift the base (or seat) out of the car.
1. Yes, you can leave them on.
2. Fold the adapters inward first.
3. Then fold the stroller as usual.
1. Britax recommends spot cleaning the stroller fabrics.
2. Its website has an article with more cleaning tips.

Compare Britax B-Safe versions

This oneBritax B-Safe 35
No adapter
0
With adapter
1
Don't fit
0
strollers
Britax B-Safe 35 Elite
No adapter
0
With adapter
0
Don't fit
0
strollers
Britax B-Safe Gen2
No adapter
0
With adapter
5
Don't fit
2
strollers

How to tell which B-Safe you have

The Britax B-Safe 35: pros and cons

Why parents pick it

Rated for babies up to 35 lb (typical 32 lb), so it lasts longer. (compared with the strollers and seats we list)

Keep in mind

Only 1 stroller listed for it. (from the makers' fit charts)
6-year life from manufacture. (maker)

Checking a question on a phone next to a stroller (illustration)

Frequently asked questions (9)

What are the weight and height limits of the Britax B-Safe 35?

4–35 lb, up to 32 in tall.

Britax product page

How much does the Britax B-Safe 35 carrier weigh?

10 lb without the base.

Britax product page

Can you use the Britax B-Safe 35 without the base?

Yes. Britax's manual describes one way to install it with no base: with a lap belt.

Install steps Britax manual (PDF) (archived copy)

How do I install the Britax B-Safe 35?

Britax's manual gives 3 ways: with the base, using LATCH; with the base, using the car's seat belt; without the base, with a lap belt.

Step by step

When does the Britax B-Safe 35 expire?

6 years after the date it was made; the date is on the seat's label.

Britax product page

What base does the Britax B-Safe 35 use?

SafeCenter LATCH base; seat belt with integrated lock-offs.

Britax product page

Can I buy an extra Britax base?

Willow, Willow S, Willow SC and Cypress infant seats all fit the Aspen and Alpine bases, and those two bases take only these seats.