DC motor speed controller (including may reverse) , use voltage DC12-120V, output 1-15KW, Our electronic pulse-width modulated (PWM) controller that includes low voltage battery protection, peak amperage protection, maximum speed protection, and stall protection with has the good anti-impact, the external dimensions; 150-350*100*50mm, Weight 1. 2-2kg. Electric current 100-200A. Also adapts the electrically operated forklift use including the original use partition cut limiting resistor velometer electrically operated forklift re-equipping. Each controller price basis power and purchase quantity difference in USD $100. 00-USD $800. 00.