Controlador de onda sinusoidal Squarewave para bicicleta eléctrica 36V 48V 15A 250W 350W enchufe impermeable
Compare with sinewave and squarewave. ●B: WP+SM Squarewave. ●B: WP Squarewave. ●A: WP+SM Sinewave. ●A: WP Sinewave. Even its KT system. Waterproof cnnector is special that I can///'t promise it will 100% compatible and work.