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Home / What TAICO Monitor reads and shows

What TAICO Monitor reads and shows

From the TAICO BMS to your screen, your phone and your smart home.

  • Every few secondson the screen and at home
  • 3 yearsof history in the free Cloud
  • 0settings written to your battery

Plug & playPlug in, join your Wi-Fi, done: about a minute. No app, no tools, pre-configured for your TAICO.See the 3 steps →

Live values

Everything your TAICO battery knows, in one place

Read from the RS485 / CAN port, refreshed every few seconds, explained in plain words.

Charge

  • State of charge from the BMS
  • Remaining capacity

The real figure from the TAICO BMS, not the inverter’s estimate, which can drift by several percent.

Power

  • Voltage
  • Current
  • Charge or discharge power

What the battery is doing right now, and how fast.

Cells

  • Each cell voltage
  • Lowest and highest cell
  • Cell gap (delta)

A cell that runs higher or lower than the others is the first sign of imbalance.

Temperatures

  • Cell temperatures
  • BMS temperature

Cold reduces the charge current a battery accepts: now you know why it charges slowly.

Health

  • State of health
  • Cycle count

How the battery ages, and evidence if you ever need a warranty claim.

Status and alarms

  • Charging, discharging or idle
  • Protections and alarms, explained in plain words

Know why the battery stopped, without walking to it.

The exact list depends on your model and its firmware. Tell us your model when you order: your box is prepared and tested for it.

Try it

Your cells, as the box shows them

Pick a situation: this is what TAICO Monitor shows you about each cell of your TAICO pack. Values simulated.

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2
3
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5
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7
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9
10
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14
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16
Lowest
Highest
Gap
Temperature

Worked out for you

Not just numbers: answers

The dashboard turns the raw values into the things you actually want to know.

Time to full or empty

At the current pace, when the battery will be full, or empty.

The cell that drifts

The cell that runs ahead at full charge and behind when the battery is low, spotted for you.

Health in view

State of health and cycle count from the BMS, next to the live values: you notice when they change.

Energy in and out

kWh stored and given back each day, so you know what the battery really brings you.

Home Assistant automations

Your appliances run on the sun, by themselves

TAICO Monitor tells Home Assistant when the battery fills up and when it runs low. Four simple rules, and the washing machine, the water heater and the car use your sun instead of the grid. Watch a day:

10:00

Your solar production

Your consumption

OverviewLive

Automations

  • Washing machine on the sun
  • The car follows the sun
  • Hot water for free
  • Gentle evening heating

Logbook

    • Solar production
    • House and heating
    • Washing machine
    • Water heater
    • Electric car
    • Battery level
    • From the grid
    • Sold to the grid for little
    Solar used at home0 %
    Bought from the grid0
    Self-sufficiency0 %
    Saved on this day0vs. the same day without automation
    Over a year0if 150 days look like this one
    Create these automations in 2 minutes →

    Simulation of a sunny day for a house with 5 kWp of panels, a 10 kWh battery, a car that needs 10 kWh and a water heater. The energy delivered to each appliance is the same in both scenarios; only the timing changes. Your figures depend on your system, your tariff and the weather.

    Alerts

    An e-mail when something needs you

    Set them once in your free Cloud account, box by box. No app to keep open.

    • The box goes quietNo reading for 6 hours: power cut, Wi-Fi down, unplugged cable.
    • Charge below your thresholdBefore the reserve is gone, not after.
    • Temperature too highA hot loft or a blocked fan, caught early.
    • Alarm raisedA protection or alarm from the BMS, with its meaning.
    • Cell gap too wideSet your own limit in millivolts.
    History

    Three years of curves, free

    The screen shows the present. The free Cloud keeps everything else.

    • Day by day, hour by hour14 days of energy at a glance, then any day in detail.
    • Up to 3 yearsCompare winter and summer, this year and last.
    • CSV exportEverything stored, ready for your spreadsheet.
    Where to see it

    Six ways to look at the same data

    The screen on the boxReadable at a glance when you walk past. The local dashboardhttp://moniwatt.local on any phone or computer at home, without internet. The free CloudFrom anywhere in the world, with history and alerts. Home AssistantEvery sensor created automatically, no YAML JSON API and MQTTFor your own scripts, Grafana or anything that reads JSON. Jeedom · Node-RED · DomoticzStep-by-step guides for each one.

    What TAICO Monitor will never do

    TAICO app, Wi-Fi dongle or TAICO Monitor?

    What each option really gives you, in short.

    Bluetooth appWi-Fi dongle and maker’s cloudTAICO Monitor
    Readable from anywhere in the world—✓✓
    Keeps working without internet✓—✓
    Home Assistant sensors without ESP32 or YAML——✓
    A screen next to the equipment——✓
    Never changes a setting——✓
    In detail

    TAICO Monitor, value by value

    Battery data

    • State of charge and remaining capacity
    • Voltage, current and power, charging or discharging
    • Each cell voltage, with highest, lowest and spread
    • Cell and board temperatures
    • Cycle count and state of health
    • Warnings and protections reported by the BMS

    The exact set depends on the model and its BMS version. We test on TAICO batteries before shipping; tell us your model when you order.

    24 V and 48 V

    TAICO makes 24 V packs (8 cells in series) and 48 V packs (16 cells in series). The box reads both; the dashboard simply shows the cells your battery reports.

    Batteries in parallel

    Bigger installations parallel two or more TAICO packs, each with its own address on the communication link. Reading all of them from one box is part of our test plan; tell us how many you have.

    Displays

    DisplayContent
    Screen on the boxCharge, power, voltage, status
    Local dashboard (http://moniwatt.local)All live values, cell chart, alarms, daily curves
    Home AssistantDevice created automatically over MQTT
    JSON APIEvery value for your scripts
    Cloud dashboard (optional, free)History, CSV export, alerts, from anywhere

    Questions about what it shows

    Which TAICO values does TAICO Monitor read?

    State of charge, voltage, current and power, each cell, temperatures, health and cycles, status and alarms, as the TAICO BMS reports them on its RS485 / CAN port. The exact list depends on the model and firmware: tell us yours when you order.

    How often are the values refreshed?

    Every few seconds on the screen and the local dashboard, about every 2 minutes on the free Cloud, which keeps the history.

    Can TAICO Monitor change a setting by mistake?

    No. It only sends read requests. Nothing it does can change a setting, a mode or a limit of your equipment.

    Do I need the internet to see my values?

    No. The screen, the local dashboard, Home Assistant and the JSON API work on your home Wi-Fi alone. The internet is only needed for the free Cloud, to see your system from anywhere.

    Can I export my data?

    Yes: CSV export from the free Cloud, with up to 3 years of history, and live values at any time through the local JSON API or MQTT.

    All questions →

    Keep reading

    ▤Specifications→⚙Installation→⌂Home Assistant→☁Cloud→⏱Runtime calculator→✎Guides→

    See inside your TAICO battery

    Pre-order now. The box is tested on TAICO batteries before it ships on 10 November 2026.

    Plug & play: working in about a minute

    Pre-order for €49Pre-order price · €59 from 10 Nov · ships on 10 November 2026 · free cancellation until dispatch