Pololu Pololu G2 High Power Motor Driver 18A, 6.5V-30V for Raspberry Pi

Can control two high-power DC motors with a Raspberry Pi (not included) Operating voltage: 6.5 V to 30 V (absolute maximum) Output current: 18 A continuous Integrated 5 V, 2.5 A switching step-down voltage regulator PWM operation up to 100 kHz