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Strong   Reliable   Versatile


S1-W4G-ST data stick is a brand new one of a kind datalogger. This datalogger uses cellular technology to connect to Soliscloud. Not only does it have that, but you can also connect with WIFI. On top of that, the customer can use it as a WIFI stick during normal operations and when the WIFI goes down the datalogger will automatically switch to cellular. This will give you and your customers a seamless connection and a peace of mind

Solis Wi-Fi & Cellular Data Logger

Leading Features

  • NEMA 4X outdoor rated

  • 2-year warranty included

  • LED status indicator lights

  • Quick, easy, and safe to install

  • Allows for remote firmware updates

  • 5-year and 10-year data plan options

  • Works with all Solis inverter models

  • Supports up to ten (10) inverters per logger

  • Relays system fault alarms to the Solis monitoring portal

  • Automatically switches over to cellular when the Wi-Fi fails

  • Comes with both Wi-Fi and 4G cellular communication options

  • Provides detailed system information for remote troubleshooting

Technical Specifications


  • Number of connected inverters (Inverters must first be daisy-chained with RS485)

  • Data collection intervals

    5 minutes
  • Status indicator

    × 3 LED Indicator Lights
  • Inverter connection interface

    External 4-Pin Port
  • Configuration method

    Mobile Application and Website
  • Network communication options

    2.4 GHz Wi-Fi networks (5 GHz Wi-Fi networks are not supported);  Verizon, AT&T, T-Mobile, Rogers, & Telus 4G cellular networks (included SIM card) (A third-party SIM card can be used instead)


  • Operating power consumption
    ≤5 W


  • Operating humidity
    5%-95%, Relative humidity, non-condensing
  • Storage temperature
    -40°F to 158°F (-40 ~ +70°C)
  • Storage humidity
    < 40%
  • Operating altitude
    ≤ 13,123 ft. (4,000 m)
  • Protection degree
    NEMA 4X


  • Installation method
    Externally Insert + Twist Lock
  • Weight
    0.17 lb (79 g)


  • Warranty

    2-year Standard

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