Ottobock B4 Power Wheelchair

The Ottobock B4 powerchair is a compact, entry level powered wheelchair designed to provide flexibility, reliability, and everyday mobility support. As part of the Ottobock B-Series, the B4 features a modular design that allows a wide range of configuration options to suit individual user needs while maintaining a compact footprint that is easy to manoeuvre in daily environments.

Key Features

• Compact entry level powerchair designed for everyday use
• Modular design allowing customised configuration options
• Spring loaded drive unit bracket to enhance driving comfort
• High performance 4 pole drive motors for reliable mobility
• Rear suspension system to improve ride comfort
• Standard seat with adaptable back upholstery
• Electric seat tilt function up to 45 degrees
• R-net LED controller supporting up to two power functions
• Puncture proof front castors and rear wheels
• Headrest assembly and adjustable armrests for user comfort
• Integrated tie down points for transport safety
• Hooks for backpack and additional accessories

Specifications

• Maximum user weight: 140kg
• Maximum speed: 10km/h
• Battery capacity: Gel 62Ah
• Battery charger: 8A
• Range: Up to 35km
• Control system: R-net controller
• Overall width: 595mm
• Minimum turning radius: 800mm
• Seat width: 460mm
• Seat depth: 460mm
• Seat height: 460mm
• Back support angle: -9° to +30° mechanical
• Seat tilt: 45° electric
• Seat inclination: -3° / 0° / 3° / 6° / 9°
• Back support height: 450–550mm
• Lower leg length: 400mm adjustable
• Obstacle height capability: 50mm (optional 85 or 90mm)
• Climbing ability: 7° (12%)
• Weight when empty: From 93.5kg