KT LED890
Simple LED button display for KT controllers. No screen — uses LED indicators for battery level and button presses for PAS level control. The most basic and cheapest KT display option. Power on/off, PAS level up/down, and light control only. Limited parameter access compared to LCD models. Best for builds where simplicity and low cost are priorities. Compatible with all KT controllers.
In brief: E-bike display. Protocols: KT (Kunteng). From $13.
Specs verified May 29, 2026
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Specifications
Specifications
- Protocols
- KT (Kunteng)
- Light Control
- Yes
- Phone Charger
- No
- Bluetooth
- No
Ports & Connectors
Controller Cable
UARTDisplay
| Pin | Wire color | Function |
|---|---|---|
| 1 | Red | Battery + |
| 2 | Black | Ground |
| 3 | Blue | UART TX |
| 4 | Green | UART RX |
| 5 | Yellow | High Beam |
