Avetlink AK Sine Wave Controller for Smooth Starts and Hill Climbing
Square wave controllers can cause jerky starts, loud motor noise, and weak climbing performance. These problems are especially frustrating during deliveries on mountain roads, where slipping on a slope is a serious concern.
The Avetlink AK sine wave controller uses smooth, continuous current to control compatible electric tricycle motors. It works with the vehicle’s motor and rear axle system to provide smoother acceleration and steady power delivery.

Reported Performance
The original product description reports:
- 70% lower motor noise.
- Stable climbing on a 45° slope.
- 12 km more driving range in testing.
Actual climbing ability and range depend on the complete vehicle setup, load, battery, and road conditions.
The AK controller is intended for everyday uses such as carrying goods, school runs, and transporting market-stall supplies.
Key Features
- 48–96V adaptive voltage support.
- Aluminum housing for heat dissipation, with a stated heat-dissipation efficiency of 92%.
- Soft-start and hard-start modes to suit different starting requirements.
Maintenance Tip
Check the rear axle oil seal every month. If the equipment’s maintenance instructions specify anti-rust oil, apply two drops of the recommended product.

Power	1200W–1500W
Voltage	48V / 60V / 72V
Undervoltage	41V / 51V / 61V
Accelerator Voltage	0.8V–4.3V
Maximum Current	50A–60A
Wire Diameter	Terminal
illumination	4 indicator lights
color	customizable
Place of Origin	China