SIAECOSYS SCJ6877-E

Name: SIAECOSYS SCJ6877-E
Brand: SIAECOSYS

6.8-inch TFT display (1280×480, IP65) supporting both SiAECOSYS ONE-LIN and SiAECOSYS CAN BUS protocols for VOTOL controllers. LIN mode displays battery voltage; CAN mode displays battery SOC when paired with a CAN-BUS battery that matches the speedometer's protocol. Features Bluetooth connectivity with phone projection (no app required), FM radio playback, 8W×2 channel audio output, and full touch-screen control. Wide operating voltage range (DC 12–150V). Supports lithium and lead-acid battery display. Bluetooth caller ID and music support.

In brief: E-bike display. Protocols: SiAECOSYS ONE-LIN, SiAECOSYS CAN BUS.

Specs verified Sep 9, 2026

Where to Find

Prices tracked across 3 sellers

AliExpress - SIAECOSYS Electric Drive Store

Out of stock

AliExpress - SiAECOSYS Electric Powertrain Store Store

Out of stock

AliExpress - SIA Tech Store

Out of stock

AliExpress - SIA Tech Store

Out of stock

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Specifications

Protocols: SiAECOSYS ONE-LIN, SiAECOSYS CAN BUS
Screen Size: 173mm
Phone Charger: No
Bluetooth: Yes

Physical

Dimensions (L×W×H): 222mm × 106mm × 44mm
IP Rating: IP65

Ports & Connectors

Main Connector

DisplayPower SwitchCAN Bus

Pin	Wire color	Function
1	Orange	Turn Signal Left
2	Black	Power Switch Signal
3	Green	Ground
4	Light Blue	Turn Signal Right
5	Blue	High Beam
6	Red	Battery +
7	Green / Black	CAN Low
8	Red / Black	CAN High
9	Purple	One-Wire Comm