KT 14A Sine Wave
Ultra-compact KT sine wave controller for 250W e-bike conversions. The smallest controller in the KT lineup at just 71×39×27mm — designed for tube-mount installations and Hailong battery case builds where space is extremely tight. 6-FET design with auto-detect 36V/48V. Programmable via KT-series displays through C-parameter menus.
In brief: 24–48V controller. 7A continuous. 14A peak. Sinewave, dual mode support. From $52.
Specs verified Jul 16, 2026
Where to Find
Prices tracked across 2 sellersAliExpress - CN-TS MID MOTOR Store
$52.40 $44.40 + $20.53 shipping
AliExpress
Out of stock* 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 $52.40. Over the past 90 days: low $52.40, high $59.49, average $56.07 — down 7% vs average.
- AliExpress
- AliExpress - CN-TS MID MOTOR Store
| Date | Price | Shipping | Total | Change | Coupon | Rating | Sales | In Stock | Status |
|---|---|---|---|---|---|---|---|---|---|
AliExpress(2 records) | |||||||||
| May 29, 202607:48 PM | $59.49 | — | $59.49 | $0.00 | SSUS08−$8.00 | — | — | No | active |
| May 28, 202604:51 AM | $59.49 | — | $59.49 | Initial | — | — | — | Yes | active |
AliExpress - CN-TS MID MOTOR Store(5 records) | |||||||||
| May 29, 202610:20 PM | $52.40 | $20.53 | $72.93 | $0.00 | — | — | — | Yes | active |
| May 29, 202610:19 PM | $52.40 | $20.53 | $72.93 | $0.00 | — | — | — | Yes | active |
| May 29, 202610:19 PM | $52.40 | $20.53 | $72.93 | $0.00 | — | — | — | Yes | active |
| May 29, 202610:18 PM | $52.40 | $20.53 | $72.93 | $0.50 | SSUS08−$8.00 | — | — | Yes | active |
| May 28, 202604:52 AM | $52.90 | — | $52.90 | 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
- 24–48V
- Continuous Amps
- 7A
- Peak Amps
- 14A
Motor Features
- Regen Support
- No
- 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
- 180 g
- Dimensions (L×W×H)
- 71mm × 39mm × 27mm
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) |
