Bicycle lithium battery modified electric scooter accessories 48V52V60V72V-40A sine wave three-mode 15-tube controller must be used with instruments with No. 2 communication protocol The controller is a sine wave three-mode controller, matching with Hall or non-Hall brushless motor Applicable to 48V1500W 48V2000W 52V1500W 52V2000W 60V1500W 60V2000W 72V1500W 72V2000W with Hall or non-Hall brushless motor Specifications: Type: three-mode 40A full-normal controller Boost: 1:1 Current: 40+1A Rated voltage: 48V/72V Brake input: low level Field effect transistor: 15 tube Due to different batches, there may be differences in product appearance, color, and printed text, which not affect the use. Color: Black Material: aluminum alloy Package Contents: 1 x Controller Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.