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Thornwave Labs Inc.

PowerMon - Bluetooth Battery Monitor / DC Power Meter

10 Reviews
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PowerMon is a Bluetooth hi-tech device that can be used to monitor the state of charge of any battery and power flow in any electrical system. On top of the monitoring functions, PowerMon can act as a power controller, allowing for low voltage disconnect, high voltage disconnect, over-current disconnect, battery isolator, remote ON/OFF switch, timer switch, generator control, and solar system automation. With Bluetooth LE (Smart) connectivity there is no need for drilling and extra wiri. . .
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PowerMon is a Bluetooth hi-tech device that can be used to monitor the state of charge of any battery and power flow in any electrical system. On top of the monitoring functions, PowerMon can act as a power controller, allowing for low voltage disconnect, high voltage disconnect, over-current disconnect, battery isolator, remote ON/OFF switch, timer switch, generator control, and solar system automation. With Bluetooth LE (Smart) connectivity there is no need for drilling and extra wiring in existing or new applications (RVs, boats, solar systems). Small form factor and ease of installation make PowerMon ideal for quickly adding smarts to any existing electrical system. Remotely monitoring DC circuit parameters has never been easier!

Voltage, current, power, energy, battery state of charge, and temperature are all measured and displayed in real-time using Thornwave Labs’ mobile application, PowerMon, which is offered for free on Google Play and Apple App Store. The device supports multiple configurations and measurement ranges that can be set up using the app, allowing it to accommodate a variety of circuits. Control of a mechanical or solid-state relay allows it to be used for low voltage disconnect, high voltage disconnect, over-current disconnect, a battery isolator for multiple battery systems, remote power control, or timers. This wireless, multi-function tool is truly a Swiss-army knife for DC electrical systems.

The device measures two voltages up to 75V with better than 0.5% accuracy. It contains an internal shunt making it able to measure current up to 60A without using any external parts.  The current measurement can be calibrated to an accuracy better than 1%. If higher current has to be measured (as high as 10,000A), an external shunt can be added. Current shunts are readily available and can be customized for the specific current measurement range required. PowerMon supports a wide range of current shunts.


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Customer Reviews

5 Based on 10 Reviews
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Filter Reviews:
    AH
    11/12/2019
    Anthony H.
    United States
    I recommend this product

    Experience had been great so

    Experience had been great so far I've set this unit up as a portable battery monitor with alligator clips that i can use with the relay control for the balancing of large lithium battery cells and monitor around the shop with my phone.

    A
    08/29/2019
    Anonymous
    United States United States
    I recommend this product

    An excellent device!

    This device is awesome! It does exactly what it says and is the perfect information on what you need for your battery!

    A
    06/26/2019
    Anonymous
    United States United States
    I recommend this product

    Excellent power monitor, exceeded expectations

    Expectations exceeded, the power monitor is solidly built, very sturdy, sealed unit. Bluetooth range is excellent. I have the power monitor in the front of the 5th wheel, and can easy reach to the back of my 36' foot trailer. I'm excited to add in the solid state relay in the near future to disconnect power from the app, as well as disconnect on low voltage. As for the app, simple and to the point. Has the needed features, one thing I may request in future updates. 1) have a built in historical trends to review past voltage graphs, amps, power, etc. I'm not always at my trailer, but would love to go back and review past graphs to determine what caused the batteries to deplete. Overall, I'd highly recommend this product to others.

    A
    05/04/2019
    Anonymous
    United States
    I recommend this product

    Bluetooth Battery Monitor

    Very easy to install and wire the shunt into a battery system for testing. I installed in my trailer for camping once I figured out my trailer wiring and where i wanted to install The unit. The connectivity is fantastic :)

    KB
    04/10/2019
    Kevin B.

    The "PowerMon" Bluetooth battery monitoring system is amazing

    Very easy to install and wire the shunt into a battery system for testing. I installed in my trailer for camping once i figured out my trailer wiring and where i wanted to install The unit. The connectivity is fantastic, I can review my battery bank status from inside my house when running load tests in the trailer. looking forward to knowing how my batteries are holding up while camping. I enjoy being able to see my trailer battery status and be able to determine what load each device i have puts on my system. The shunt component is so small, it takes hardly any space making it easy to find a home to install it. I am not very savy with electrical components, Raz was super patient and made the install easy for me, answering the questions that i had.

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