Sectional door operator system

A sectional door operator system for opening and closing an opening, comprising:

• a door frame comprising a first frame section at a first side of the opening and a second frame section at a second side of the opening,
• a sectional door arranged to be moved between an open and closed position and comprising a plurality of horizontal and interconnected sections connected to the door frame,
• at least a drive unit mounted on a first section of the plurality of sections, wherein
• the drive unit is moveably connected to the first frame section and the drive unit is moveably connected to the second frame section,
• the drive unit comprises at least a first and a second motor connected to at least one battery arranged to power the at least first and second motors, wherein the drive unit comprises a first and a second spline joint, wherein the first spline joint is connected between the first frame section and the first motor and the second spline joint is connected between the second frame section and the second motor, wherein the at least first and second spline joint are arranged to compensate for horizontal movements of the first and second motor in relation to the first and second frame sections, respectively,
• the drive unit is arranged to move the sectional door from the closed position to the open position,
• the first and second motors are mounted to the first section,
• the first motor is moveably connected to the second frame section, and
• the first section is the section being closest to a floor in the closed position of the sectional door.