Features 1、SINE WAVE TRIMODAL CONTROLLER: The controller adopts sine wave 3 mode controller, which can provide smoother and more natural power output. Matching with hall or no hall brushless motor with self learning function. 2、MULTIPLE VOLTAGE AND POWER APPLICATION: This controller is suitable for 36V500W, 36V750W, 48V500W and 48V750W with hall without hall brushless motors. Whether you need lower power for daily riding or higher power for challenging rides, you can find the right option for you. 3、METAL CASE: The controller case of the bike lithium conversion kit is made of metal with a grooved design. This housing not only provides excellent heat dissipation, but also effectively protects the internal circuitry from overheating problems and extends the life of the controller. 4、PANEL PERFORMANCE: The panel of the bike lithium conversion kit is made of ABS material. This material is lightweight, strong and durable, and has good toughness and waterproof performance, which can better protect the internal circuit and make the overall system more durable. 5、ENHANCE RIDING FUN: The main use of the lithium bicycle conversion kit is for DIY electric bikes, electric cars, electric scooters and folding bikes. The modified bike can provide stronger power support and greatly improve the fun of riding. Item Type: Bicycle Lithium Battery Retrofit Kit Material: Aluminum, ABS, Plastic Weight: Approx. 685g / 24.2oz Controller Voltage: DC24 36 48V Current: 26±1A Package List 1 x Controller 1 x Panel 1 x Panel Manual 1 x Trigger Shifter 1 x Power Assist Sensor 1 x Power Assist Magnetic Ring 1 x Instruction Manual