The Solis 4G WiFi Module brings your solar system online so you can monitor efficiency, spot issues early, and take control of your clean energy generation from anywhere. This simple add‑on turns a good solar system into a connected, intelligent energy solution.
Key Benefits
- Instant online visibility of solar performance.
- Remote system monitoring via SolisCloud app or web portal.
- Quick alerts for faults or downtime.
- Plug‑and‑play installation — no complex wiring.
- Better system insight for higher energy efficiency.
- Works with Solis inverters compatible with WiFi monitoring.
Specifications
| Feature | Detail |
| Brand | Solis |
| Model | SI‑W4G‑WIFI Stick |
| Product Type | Solar Data Logger / WiFi Monitoring Module |
| Function | Wireless solar system monitoring |
| Connectivity | WiFi (2.4 GHz) |
| Installation | Plug‑and‑play (direct connection to inverter port) |
| Communication Interface | USB / RS485 (depending on model) |
| Monitoring Platform | SolisCloud (Web & Mobile App) |
| Realtime Data | Yes – generation, performance, alerts |
| Remote Monitoring | Supported via app and browser |
| Dimensions | Compact & lightweight design |
| Operating Temp. | ‑20 °C to +65 °C |
| Weight | Approx. 150 g |
| Warranty | 2 Years Standard Warranty |




