Watchmon4 for Longmon and Expansion

Sale price Price $584.00 AUD Regular price Unit price  per 

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Purchase the new revamped WatchMon-CORE

Following optional extras can be purchased

  • 500A or 1000A Shunt monitor
  • Longmon cell monitors to suit your battery
  • Extra Support


  • configurable to suit LiFePO4, Lithium-Ion or custom chemistry
  • With distributed cellmonitors capable of 28 Ah/day balancing adjustment for each cell 
  • user configurable presets and controls
  • Link to Shuntmon with 500A or 1000A power rating
  • Easy to use pluggable screw-terminal connectors.
  • Configurable 2 inputs and 2 outputs (i.e. remote circuit breaker trip, contactor or fan)
  • Additional inputs/outputs via ExpansionBoard purchased separately
  • data logging of key metrics for 10 years
  • Clock with backup battery
  • firmware upgrades via USB

Remote Communication

  • WiFi connectivity (normal, disabled, or read only)
  • Opto-Insulated CAN bus to remote charger/inverter equipment
  • future feature to connecting to cloud portal via MQTT (secure link).

    Power Input

    • Built-in 8v to 65v DC-DC supply
    • handle automotive transients
    • consumes with WiFi enabled ~1.7W (Typical 48v battery budget 1Ah/day)

      Inside the box:

      • 1 x WatchMon4
      • 1 x CMU Connector cell monitor extension cable 
      • 1 x Expansion board (12v or 48v)
      • 1 x USB A-B 1.5m extension cable
      • 1 x Screwdriver
      • 1 x Sticker

      Support content options

      • 24 / 7 access to support content and video
      • Email (fair use)
      • Teamviewer remote interactive sessions

      Below is a excerpt of both the support articles and videos available on the support site:

      Wiring for 24v controlled mechanical disconnect and fan



      Overview Videos

      Step by step video

      Many others available on Youtube

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