The Companion Plus is an enhanced power assist system designed to extend the mobility of manual wheelchair users by converting a manual wheelchair into a powerful electric unit. This portable device is easy to attach and detach, maintaining a compact form factor suitable for navigating narrow or crowded spaces. Its patented, lightweight design also meets strict travel requirements.
Function Description:
The Companion Plus system comprises three major components: the Docking Module (DM), the Companion Adapter (CA), and the Companion Unit (CU). The Companion Unit itself consists of the Driving Control Unit (DCU), Docking Port (DP), Power Unit (PU), and Kickstand (KS). The Docking Module is installed on the manual wheelchair, providing the interface for attaching the Companion Adapter, which then connects to the Companion Unit. Once attached, the wheelchair's front casters are lifted off the ground, and the user controls the electric power assist via the Driving Control Unit, which includes a handlebar, throttle, brake lever, and an LCD display. The system offers five-speed control and powerful drum brakes for safe operation.
Important Technical Specifications:
- Motor: Hub motor (350W) with a 20cm/8in non-marking solid tire.
- Battery: Lithium battery 36V 7.5Ah.
- Range: Up to 30km/18.6mi per full battery charge.
- Weight: Companion Unit: 9.4kg/20lbs; Companion Adapter: 0.8kg/1.8lbs.
- Weight Capacity: Recommended combined wheelchair and user weight must be less than 110kg/240lbs.
- Docking Module Dimensions (for foldable wheelchairs): Available in four lengths "L" between mounting frame tube centers: 28-33cm/11-13in, 35-40cm/14-16in, 43-48cm/17-19in, 50-56cm/20-22in.
- Clamp Diameter: Standard clamps accommodate mounting tubes with a diameter of either 25.4mm/1in or 31.75mm/1.25in. Special orders are required for other diameters.
- Control: Five-speed control, Power On/Off switch with two keys, LCD display showing battery charge status, trip distance, and speed.
Usage Features:
- Ease of Attachment/Detachment: The Companion Plus is designed for easy attachment and detachment from the manual wheelchair. The Companion Adapter slides into the Docking Module, and the Companion Unit connects to the adapter, lifting the wheelchair's front casters approximately 5cm/2in off the ground. Detachment involves firmly holding the steering stem and pressing a front latch lever, at which point the kickstand deploys.
- Control Module: The Driving Control Unit (DCU) features a handlebar, parking brake, throttle, LCD display, navigation button, and a power On/Off button with a key ignition.
- Powering On/Off: To power on, insert the key into the keylock on the Power Module and turn it clockwise, then hold down the orange Power button on the display. To power off, hold down the power button for two seconds, then turn the key counterclockwise and remove it. Always turn off the power by key and remove it when parked, transferring, or loading/unloading to prevent accidental activation.
- Speed Limits: The system offers five preprogrammed speed limits, adjustable via the navigation button.
- Display Information: The LCD display shows battery charge status, trip distance, and speed. The menu button allows exploration of trip, riding time, average (AVG), and maximum (MAX) speed.
- Driving: Users are advised to keep both hands on the handlebars for control. Driving involves twisting the throttle on the right handlebar to achieve desired speed and squeezing the brake handle to slow down or stop. Always start driving slowly from Speed Mode 1, especially when first using the device.
- Braking: The device uses powerful drum brakes. To engage, pull the brake lever located on the front of the right handlebar. A parking brake feature allows locking the brake lever in place.
- Safety Precautions: Users are strongly advised to read the manual thoroughly and practice in an indoor, non-crowded environment before outdoor use. Using wheelchair anti-tippers during the training period is recommended. Side guards are suggested to avoid contact with moving parts. Do not drive over curbs higher than 5cm/2in. Always maintain a safe speed and keep a reasonable distance from obstacles. Avoid abrupt stopping or sharp turns at high speeds. Lean forward when driving uphill to shift the center of gravity.
Maintenance Features:
- Battery and Charging: The battery should not be allowed to discharge completely; charge it as soon as the low battery indicator appears. Only use the provided charger. Store the Companion Plus in a dry environment at room temperature (10°C to 25°C/50°F - 77°F). For long-term storage, fully charge the battery every two months to prevent "deep discharge."
- Cleaning and Overall Care: Always power off the Companion Plus and unplug the charger before cleaning. The exterior frame and wheel can be cleaned with a soft cloth dipped in non-abrasive soap and water. Avoid high-pressure washers and never submerge the unit in water. Store the device indoors in dry conditions to prevent fading and deterioration.
- Regular Checks: Regularly check that all mechanical parts connecting the Companion Plus to the wheelchair are fastened tightly and are free of damage. Inspect fasteners visually for any damage and ensure all connections are tightened properly.
- Brake Pad Wear: Check for effective braking by squeezing the brake lever every 6 months. An authorized service provider should check or replace brake pads if necessary.
- Tire Maintenance: Clean dirt from the wheel and check tire tread weekly. Replace tires as necessary if they are too worn.
- Professional Inspection: A professional Companion Plus inspection is recommended yearly.
- Troubleshooting: The manual provides guidance for common issues such as the device not powering on (check key, power button, battery charge) and the front wheel slipping (adjust Companion Unit position, lean forward, check tire tread, start in Speed Mode 1).
- Warranty: The warranty covers structural parts for two years and the battery, motor, and electronics for one year from the date of delivery. Improper use, unauthorized modifications or repairs, negligence, or poor storage conditions will void the warranty. Users should contact their Authorized Dealer or Cheelcare for support and provide a serial number, detailed description, and photos/videos if possible.
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