SMAKN&reg; PWM Controller Reversible High Power 2 Way DC Motor Driver Board Module H-bridge DC 11-36V 12V/24V/36V 450W Modular nature:H-bridge DC motor driver module Suitable for 11-36V DC Motor. Scope:High-power DC motor drive. Driving voltage: DC 11-36V. Output Current: 15A(Maximum continuous load current 20A). Output Power: max 450W (less than 360W do not need heat sink).