Internal Power Board, OEM, Stairmaster

Internal Power Board for Stairmaster 4400CL & 4600CL Steppers

• The internal power board communicates with the console, alternator, load resistor, speed sensor, the battery and battery charger when used
• Power board is used on the battery operated Stairmaster stepper models 4400CL and 4600CL
• This board is an original replacement