Contact Us Add to Favorite Welcome to Elegant Wings Contact Us Add to Favorite Fast Shipping Hassle Free Return Money Back Guarantee Authenticity Guarantee Yuandai 36V-48V 350W Brushless Dc Motor Controller For Electric, Bike Scooter Item Description 36V-48V 350W controller can work with hall sensor/hall sensorless Rated Voltage: 36V/48V Low Voltage : 31V/42V0.5V Rated Power: 350W Limit Current: 17A 1.pointer meter line 2. motor line 3.3-speed line 4.Anti-theft alarm line 5.self-learning line 6.hall line 7.throttle line 8.low brake 9.Anti-theft power line 10.Cruise speed line 11.battery?2 red wires is battery +?black is battery -? 12.high brake how to connect? 1.connect the motor line (color to color?must connect? 2. connect the battery line(2 red wires is connect to battery + , black connect to battery-?these wires must need connect) 3. connect the controller throttle line?color to color connect? 4. connect the hall line(if motor without hall line, don?t need connect) 5.docking the two self-learning lines, the wheel will forward or reverse. (1.if wheel forward ,Separate the self-learning line. 2.if wheel reverse, Separate the self-learning line. Docking the self-learning line again?if wheel forward ,Separate the self-learning line.) 6.other functions can be connected as needed. Application--It suitable for electric bicycles, scooter, etc. Premium Material--It made of aluminium alloy, this brushless controller is sturdy and durable. Sensitive Control--This item is a brushless motor controller, it can provide steady speed and sensitive control of braking and direction changes. High Performance--The wires and interfaces are durable, and ensure low malfunction of long time use. Easy to Use-- The interfaces have instruction labels on them for your easy installation. About us Customer service is our top priority! Please be sure to read the description thoroughly to make sure that this is the item you want before making a purchasing decision. If you have any questions about this item, please contact us via messages before placing your order. We make every effort possible to accurately describe and depict the items. Please be aware that slight variations in color may be due to differences in lighting and computer monitor resolutions. All items are in stock at the time of listing however, in the unlikely and unforeseen event that we are unable to fulfill your order through any of our networked warehouses, we will notify you as quickly as possible and offer you a 100% refund on your purchase. Thank you for shopping with us. We appreciate your business! B09FQ52163 Payment PayPal is our preferred method of payment. If you do not have a PayPal account, all major credit cards are gladly accepted through PayPal as the payment processor. PayPal offers great buyer and seller protection. Your order will be processed pending receipt of cleared payment through PayPal. Sales tax may be charged depending on your location. Shipping We provide fast, free shipping. Most items are shipped within 3-5 business days of receiving cleared payment. We ship to the lower 48 contiguous United States only. We do not ship to P.O. Boxes or APOs. Standard Shipping is ALWAYS FREE! You will be notified via messages as soon as your items ship. Special Notice for Freight Items: If an item ships via Freight (Truck) Delivery, a valid phone number will be required so that we can contact you to schedule delivery. The item may be delivered with curbside delivery. An adult signature will be required. Please be sure to have available help on hand to assist you with moving the item to the desired location in or outside of your home. Freight items must be inspected upon delivery. In the unlikely event that damaged is observed, you MUST refuse delivery and note the damage on the shipping receipt and send it back via the Freight carrier. Returns will not be accepted on Freight items after they have been delivered, inspected, and the driver has left the premises. Returns We offer a 30 day return/exchange policy for most of our products. You can request a refund if you are dissatisfied for any reason with your product. (Restocking Fee May Apply). Only factory defects are accepted as a reason for a return. In the case of factory defects, if available, we will replace the product for you. When returning an item, it must be in all of the original packaging and include all of the original accessories or items that came with it. The item and package should be in original and perfect condition. You will be required to cover shipping on the return of non-defective items. All returns MUST be done within 30 days of date of purchase. Please note that we cannot give refunds or replacements after the 30 day limit has expired. When sending in a return, please note that it can take up to 7 business days for the return to be processed. We do our best to process as quickly as possible. We are extremely fair, and in the rare event of something out of the ordinary happening with our products or shipping, we will gladly work with you to find a fair resolution.