KT 50A Sine Wave HV
High-voltage KT sine wave controller for 1500-3000W e-motorcycle and high-power hub motor builds. 18-FET design supporting 48V through 90V batteries (auto-detect). The most powerful controller in the KT lineup. Significantly larger housing than standard models (260mm). Requires 72V-rated KT displays (LCD3 72V, LCD5 72V, LCD8H 72V). Programmable via KT-series displays.
In brief: 48–90V controller. 25A continuous. 50A peak. Sinewave, dual mode, regen support. From $192.
Specs verified Jun 5, 2026
Where to Find
Prices tracked across 2 sellers* Shipping estimates are for the contiguous US and may vary by location.
* This page contains affiliate links. WattWorks may earn a commission at no extra cost to you. Learn more
Price History
Current best price $192.12. Over the past 90 days: low $192.12, high $192.12, average $192.12 — about average.
- AliExpress - KUNTENG EBIKE FACTORY Store
| Date | Price | Shipping | Total | Change | Coupon | Rating | Sales | In Stock | Status |
|---|---|---|---|---|---|---|---|---|---|
AliExpress - KUNTENG EBIKE FACTORY Store(2 records) | |||||||||
| May 29, 202605:06 PM | $192.12 | $17.03 | $209.15 | $0.00 | — | — | — | Yes | active |
| May 28, 202601:31 PM | $192.12 | — | $192.12 | Initial | — | — | — | Yes | active |
Reviews
No reviews yet — be the first to share your experience.
Sign in with Google to leave a review.
Specifications
Type
- VESC Based
- No
- Cooling
- Air
Electrical
- Voltage Range
- 48–90V
- Continuous Amps
- 25A
- Peak Amps
- 50A
Motor Features
- Regen Support
- Yes
- Drive Mode
- Sinewave
- Sensor Mode
- Dual Mode
- Field Weakening
- No
- Self-Learning
- No
- Dual Motor Support
- No
- Controller Pairing
- No
Inputs
- Throttle Support
- Yes
- PAS Support
- Yes
Display
- Supports Display
- Yes
- Requires Display
- No
- Protocols
- KT (Kunteng)
Power Switch
- Supports Power Switch
- No
- Requires Power Switch
- No
- Requires Pre-charge
- No
Programming
- Via Display
- Yes
- Via Phone
- No
- Via PC
- No
Physical
- Weight
- 550 g
- Dimensions (L×W×H)
- 260mm × 84mm × 43mm
Ports & Connectors
| Pin | Wire color | Function |
|---|---|---|
| 1 | Red | Battery + |
| 2 | Black | Battery - |
| Pin | Wire color | Function |
|---|---|---|
| 1 | Red | 5V Power |
| 2 | Black | Ground |
| 3 | Yellow | Hall A |
| 4 | Green | Hall B |
| 5 | Blue | Hall C |
| 6 | White | Motor Temp |
| Pin | Wire color | Function |
|---|---|---|
| 1 | Red | Battery + |
| 2 | Black | Ground |
| 3 | Blue | UART RX |
| 4 | Green | UART TX |
| 5 | Yellow | High Beam |
| Pin | Wire color | Function |
|---|---|---|
| 1 | Red | 5V Power |
| 2 | Black | Ground |
| 3 | Green | Throttle Signal |
| Pin | Wire color | Function |
|---|---|---|
| 1 | Red | 5V Power |
| 2 | Black | Ground |
| 3 | Yellow | PAS Signal |
| Pin | Wire color | Function |
|---|---|---|
| 1 | Black | Ground |
| 2 | Orange | Brake Signal (Low) |
