Complete Specifications

Model M received FDA clearance K153543

Drive System 4 Wheel Drive
Controller WHILL Controlling System
Seat Sliding Range 5.9˝ (150mm)
Chair Ground Clearance 3.5˝ (89mm)
Maximum Speed 5.5 MPH (8.9 km/h)
Speed Settings Fast, Medium, Slow Speed
Braking System Electromagnetic Brake
Turning Radius 28˝ (711mm)
Maximum Weight Capacity 220lb (100kg)
Arm Angle (down position) 45, 48, 52, 56 degrees
Tail lamps (2) Red lights
Batteries (2) 12V 50Ah MK Battery model M50-12 SLD M or WP50-12NE
Charger 6A_Charger Charging time: 8 hours to 80% charge
Foot Support Angle 0 to 10 degrees
Foot Support Extension 0”, 1˝, 2˝, 3˝, 4˝ (0 mm, 25mm, 50mm, 75mm, 100mm)
Compatible Back Supports VARILITE Icon back system – Low, Mid, Tall
Compatible Seat Cushions 16˝ wide, from 16” to 20” deep
Operating Conditions -13 to 122 degrees F (-25 to 50 degrees C)
Storage Conditions -40 to 149 degrees F (-40 to 65 degrees C)
Pneumatic Rear Tire Pressure 40 P.S.I (280 kPa)
Overall length 43” (1092mm) without feet 44.3” (1126mm) with feet
Overall width 23.7˝ (602mm)
Total mass (including batteries) 255 lb (115.7kg)
Pivot width 44.4” (1128mm) without feet 45.7” (1161mm) with feet
Required width of right angled corridor 35” (889mm) without feet 36.3” (922mm) with feet
Seat plane angle 4 to 14 degrees (4 positions)
Effective seat depth 16” to 20˝ (406.4 to 508mm) (5 positions)
Effective seat width 16” (406.4mm)
Seat surface height at front edge 20.2” to 22.2˝ (513.1 to 563.9mm) (3 positions)
Back support angle 10 to 20 degrees (4 positions)
Back support height 20” (508mm)
Foot support to seat  8.6” to 16.9” (218 to 429mm) (5 positions)
Leg to seat surface angle  104 degrees
Arm support height  8.5” to 10.5” (215 to 265mm) (6 positions)
Front location of arm support structure  10” (254mm)
Propelling wheel diameter and size including width Diameter: 12.6” (320mm) Width: 2.25” (57.1mm)
Horizontal location of axle  3” (75mm)
Static, impact and fatique testing requirements  Pass
Resistance to ignition  Pass