This is a 24V, 15A controller. These types of controllers are commonly (though not exclusively) used for E-bikes, electric scooters and electric mobility scooters with hall configuration.Under Voltage Protection: 21V±0.5V. Case Dimensions: 90mm x53mm x 30mm. Matching Motor: DC Brushless Case Dimensions: 90mm x53mm x 30mm. Matching Motor: DC Brushless
