KT LED900S
LED button display for KT controllers with slightly more features than the LED890. Uses LED indicators for battery level and PAS level. No screen — button-operated. Power on/off, PAS level control, and light switching. A step up from the LED890 with additional LED indicators. 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 |
