Let’s review the Robooter C40.

C40 at a Glance

Chair weight

42.7 lbs

Excluding battery

Folded size

12.6 × 22.6 × 32.3 in

Driving range

Up to 12.4 miles

With 12Ah battery

Top speed

Up to 3.7 mph

Weight capacity

265 lbs

Battery

Removable 24V 12Ah

Approx. 7 hours to recharge

Designed to Fold and Travel

The C40 has a magnesium alloy frame and measures 22.6 inches wide when open. It folds upright for storage in a hallway, closet, or vehicle. Its joystick swivels inward so the controller sits closer to the chair during transport.

Robooter C40 in its unfolded position, viewed from the side
Unfolded C40
Robooter C40 standing upright in its folded position
Folded upright for storage

The chair weighs 42.7 lbs without its battery, so regular car travel still requires a plan for lifting it. Measure the trunk opening as well as the space inside. The folded dimensions alone cannot tell you how easily the chair will load into a particular vehicle.

Drive, Push, or Use Power Assist

The C40 gives the rider and caregiver three ways to manage a trip:

  • Drive: The rider steers with the joystick.
  • Push: A caregiver pushes manually.
  • Power Assist: A caregiver holds the rear-handle button for motorized help when pushing forward or pulling backward.
A caregiver walking behind a rider seated in the Robooter C40 on a paved waterfront path
Caregiver support on an everyday outing
Close-up of the C40 rear handle Power Assist button
Rear handle Power Assist button

The controller also includes Cruise Control for clear, level paths. Robooter describes the chair’s steering as smooth and includes assisted speed reduction during turns. Actual handling will depend on the route, speed, and load. The rider should remain attentive when using Cruise Control.

Close-up of the C40 joystick controller and Speed Plus button
The joystick controller includes the Speed + button used to set Cruise Control.

Comfort, Range, and Everyday Routes

Flip-up armrests, a three-position adjustable footrest, and an under-seat basket address common daily needs. The controller includes a USB-C port, and the chair offers mobile app connectivity. Seat comfort is personal, so check the chair’s fit and support against the rider’s needs before buying.

A rider using the Robooter C40 in a home hallway
Everyday movement at home

The removable 24V 12Ah battery has a published range of up to 12.4 miles and takes approximately 7 hours to recharge. Actual range can change with rider weight, hills, stops, temperature, and tire condition. Leave a buffer if a planned trip comes close to the published maximum.

The C40 uses 8-inch solid PU front tires and 11-inch pneumatic rear tires. It is intended mainly for indoor floors, sidewalks, and paved park paths. The rear tires need routine pressure checks, and loose gravel or rough dirt paths are best avoided. Its IPX4 rating covers splashing water, but the chair is not waterproof.

C40 and PAISEEC W3: Which Functions Matter to You?

Both chairs use the term “3-in-1,” but their functions differ. The C40 combines joystick driving, manual pushing, and Power Assist for a caregiver. PAISEEC describes the W3 as an electric wheelchair, powered transport chair, and smart rollator. The C40 does not function as a rollator.

Published manufacturer specifications
Specification Robooter C40 PAISEEC W3
Chair weight without battery 42.7 lbs 49.6 lbs
Overall width 22.6 in 24.40 in
Weight capacity 265 lbs 300 lbs
Published range Up to 12.4 miles Up to 15.6 miles
Distinct third function Power Assist Smart rollator

The C40 is lighter and narrower on published figures. The W3 has a higher weight capacity, a longer stated range, and walking support through its rollator mode. Choose based on the function you need, rather than the shared “3-in-1” label.

Comparison based on Robooter’s C40 specifications and PAISEEC’s published W3 information.

Is the C40 Right for You?

The C40 is worth considering if your usual routes are firm and paved, you need a chair that folds for storage or car trips, and a caregiver may sometimes help push. Its three movement options are useful when the amount of help needed changes during an outing.

Check its limits just as carefully. The 42.7 lb weight excludes the battery, its 265 lb capacity will not suit every rider, and its published range may not cover longer trips without charging. It is also not intended for rough terrain or for use as a walking aid.

A rider in the Robooter C40 shopping at a produce market on a paved walkway
Everyday errands on paved routes

Frequently Asked Questions

Does Power Assist work both forward and backward?

Yes. A caregiver holds the button on the back handle. Pushing forward provides forward assistance; pulling back provides reverse assistance. It reduces the effort needed in both directions.

Can I take the C40 on an airplane?

The C40 is designed for air travel with its 12Ah battery configuration. The joystick turns inward so it sits closer to the chair during handling. Contact your airline before traveling to confirm its procedures for the chair and battery. The FAA’s guidance explains that battery handling depends on how the battery is protected.

Will the folded C40 fit in a regular car trunk?

It measures 12.6 × 22.6 × 32.3 inches when folded. Check the trunk opening and usable cargo space before ordering, and consider who will lift the chair.

Where can I drive the C40?

Use it on firm surfaces such as indoor floors, neighborhood sidewalks, and paved park paths. Avoid frequent use on loose gravel or rough, bumpy dirt paths.

How do I turn on Cruise Control?
  1. Unlock the chair.
  2. Hold “Speed +” until a green “S” appears on the screen and you hear two voice prompts.
  3. Move the joystick to begin cruising at the selected speed.
  4. Press Lock or move the joystick again to stop Cruise Control.

Use it only on a clear, suitable path, and keep watching the route ahead.

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