VGEBY1 Brushed Controller, Bicycle Motor Controller 48V 500W Motor Converter Box for Electric Bicycle Scooter E-Bike

Features: GOOD HEAT DISSIPATION PERFORMANCE--The controller shell is made of aluminium alloy, which can protect the inner circuit and good for heat dissipation to avoid thermal overloading. STEADY SPEED CONTROL--This item is a brushed motor controller, it can provide steady speed and sensitive control of braking and direction changes. Suitable for electric bicycles and scooter. EASY TO INSTALL--The wires and interfaces are durable, and ensure low malfunction of long time use.The interfaces have instruction labels on them for your easy installation. USAGE NOTE--Please note do not take the wrong power cord, or will burn, there are 2 styles of battery and engine connector for this controller .They are not compatible. MORE ENERGY SAVING--More efficient and more energy-saving, with under-voltage protection, more reliable to use. It can automatically identify the phrase angle and rated voltage of electric bike, easy to use. Specification: Material: Aluminium alloy Rated Voltage: 48V Match Motor: 500W motor Under-Voltage Protection: 42±0.5V Current-Limiting: 27±1A Suitable for: electric bicycles and scooter Size: Approx. 83 * 65 * 37 mm / 3.26 * 2.55 * 1.45 inch Weight: Approx. 189 g Package List: 1 * Brushed Controller Noted: 1. Please read the labels on the interfaces of the controller, make sure that every interface is rightly connected to what it matches. 2. To the thick black&red power cord, the red is for battery positive electrode, and black for battery negative electrode. to the thick yellow&blue motor cord, the blue for positive electrode, the yellow for negative electrode. Make sure that power cord is placed rightly to prevent damage.