1??PACKAGE INCLUDES: This lithium battery retrofit kit for electric bike includes 30A 3 mode sine wave controller and EN06 LCD instrument, which can be used alone or in combination. 2??APPLICABLE MOTOR: Controller LCD display kit is suitable for 24V, 36V, 48V 1000W?1500W brushless motor with and without Hall. For the modification and replacement of damaged parts of electric bikes, electric scooters, etc. You can modify and use the kit according to your own situation. 3??LCD DISPLAY: LCD meter is suitable for 22mm handlebars, the housing is made of ABS material, with a clear display interface, providing you with a variety of digital display functions for vehicle control and vehicle status, including riding speed, riding mileage, assist gear, power indicator, fault prompt,etc., facilitating reading data while riding. The buttons are operated quickly and convenient to use. 4??CONTROLLER: 30A sine wave controller supports Hall mode and no Hall mode, with self learning function. When the motor Hall operates normally, the sine wave mode is used, and when the motor Hall is damaged, the mode is switched to a square wave mode without Hall. 5??FAST HEAT DISSIPATION: Aluminum alloy shell of the controller has a groove design, provides fast heat dissipation, well defend the circuit, avoid overheat.