How to Set Up Your Sonoff S31 Lite Smart Power Strip

What You'll Need

• Sonoff S31 Lite Smart Power Strip (or S31 Lite zb for Zigbee)
• eWeLink app (iOS/Android)
• 2.4GHz Wi-Fi network (or Zigbee hub for zb model)
• eWeLink account

Step-by-Step Setup

1. Plug in the power strip: Connect to a wall outlet. The LED will start blinking
2. Enter pairing mode: If LED isn't blinking rapidly, hold the button for 5-7 seconds
3. Open eWeLink app: Tap "+" to add a new device
4. Select Quick Pairing: Choose "Quick Pairing Mode" (LED blinking rapidly)
5. Enter Wi-Fi credentials: Input your 2.4GHz network SSID and password
6. Wait for connection: The device will connect and LED will become solid
7. Name your device: Give the power strip a recognizable name
8. Configure outlets: Set up individual outlets if model supports it

Key Features

• Energy monitoring: Real-time power, voltage, and current readings
• Compact design: Sonoff's space-efficient form factor
• Overload protection: Automatic shutoff if power exceeds limits
• DIY-friendly: Can be flashed with Tasmota for local control
• IFTTT support: Connect to IFTTT for advanced automations
• Scenes: Include in eWeLink scenes with other Sonoff devices

Troubleshooting

• Rapid blink vs slow blink: Rapid = Quick Pairing (recommended). Slow = Compatible Pairing (AP mode)
• Pairing times out: Stay within 2 meters of your router during setup
• Energy readings wrong: Ensure proper calibration. Values improve over time
• For Tasmota users: Flash via serial connection. OTA updates after initial flash
• Factory reset: Hold button for 10+ seconds until LED flashes rapidly multiple times