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About Growatt Monitor
Growatt Monitor is made by a small team in France, the same people behind Pylon-Monitor.
From one Pylontech battery to sixteen brands
MoniWatt started with Pylon-Monitor, a box we built to see inside our own Pylontech batteries. Owners of other brands asked for the same thing; MoniWatt is the answer.
Growatt hybrids already have a cloud, through their Shine stick. What many owners want is something else: data every few seconds, on their own network, that does not depend on someone else’s servers. This edition reads the inverter locally over Modbus and leaves the stick alone.
How we work
The box asks your inverter questions and never sends it a setting. Whatever happens to the box, your system keeps running exactly as before.
Each box is prepared for the model you give us when you order and tested before it leaves the workshop. If it cannot read your equipment, you send it back within 30 days and we pay the return.
Everything works on your own Wi-Fi without an account. The Cloud is optional, off by default, and switched off again in one click.
Questions go to the people who design the box, in English, French, German, Dutch, Spanish or Italian. Usually within a day.
Our guides come from what we see when we read these systems day after day. When we are not sure about something, we say so.
Designed in France, then prepared, tested and shipped from our workshop there, with a two-year warranty.
Independent from Growatt
Growatt is a trademark of its respective owner. Growatt Monitor (MoniWatt for Growatt) is an independent product, not affiliated with, endorsed or sponsored by Growatt. We use the brand name only to say which equipment the box reads.
Contact
Write to [email protected] or use the contact form. Legal details are in the legal notice.
Keep reading
Your Growatt inverter, live at home and anywhere in the world
Order Growatt Monitor today. Prepared and tested for your Growatt model, dispatched on 10 November 2026.
Plug & play: working in about a minute