What is the weight limit for using the Orbit Baby Toddler Car Seat on the Orbit Stroller? January 14, 2022 01:48 Updated The Orbit Baby Toddler Car Seat can be used on the Orbit stroller until the child weighs 50lbs. Related articles Can I use the Orbit Baby Toddler Car Seat on the Helix? Can the Orbit Baby Toddler Car Seat dock onto the Orbit Baby SmartHub® Base when the braces are attached? Can the Orbit Baby Toddler Car Seat be used on the stroller frame with the side impact braces installed? When can the SmartHub® base be used with the Toddler Car Seat? Do I have to use the SmartHub® base?