Solis S1-W4G-ST WiFi & 4G Data Logger Stick

Solis S1-W4G-ST WiFi & 4G Data Logger Stick is a smart monitoring accessory designed for Solis inverter systems. The data logger connects to compatible Solis inverters through RS485 communication and supports connection of up to 10 inverters simultaneously. System data can be transmitted to the monitoring platform through WiFi or 4G communication for convenient remote monitoring and management. The S1-W4G-ST supports real-time inverter monitoring, fault alarms, Bluetooth nearby connection and debugging, and one-key inverter address assignment for faster system commissioning. It also provides offline data storage. For a single connected inverter, up to 30 days of data can be stored locally, with the storage duration decreasing proportionally when additional inverters are connected. When the network connection is restored, historical data is automatically backfilled to help maintain continuous monitoring records. Available with 4-pin and USB connection options, the Solis S1-W4G-ST provides a flexible and convenient monitoring solution for residential and commercial Solis PV systems.

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