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Lee Stauffer

   717 25 1/2 Road

Grand Junction, CO  81505

[330]993-7629

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2019 Leisure Solar LTD

This is the nicest complete battery monitoring system I've found.  It has both iPhone or Android apps (free download) and is completely compatible with the RV Whisper Monitor system.  RV Whisper will acquire and store all the data from the PowerMon, and broadcast via WIFI to your phone or computer wherever you are.

 

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.

Thornwave Battery Monitor System BT-DCPM

$129.00Price
    • You can log into the RV Whisper gateway and look at all of my RV data in real time. If you are on a computer or tablet, simply click on the link below, and enter the user id and password. Once in the gateway, click on Go To My RV to see all of the sensors I currently am using.

    • https://access.rvwhisper.com/

      id: leisuredemo

      pw: allthingssolar

    Specifications and Capabilities

    • Remotely monitor two DC voltages, current, power, energy (Wh), battery charge, (Ah) and temperature
    • Measure voltage up to 75V and current up to 60A using the internal current shunt
    • Sense up to 160mV of voltage drop across an external current shunt, allowing up to 10,000A of current to be measured
    • Monitor battery state of charge (in %) and remaining battery remaining run-time
    • Logging capabilities (history) and Internet presence through integration with third party system (see below in the dedicated section)
    • Control a power relay or SSR (Solid State Relay)
    • Low / high voltage disconnect, over-current disconnect or disconnect based on the fuel gauge (battery state of charge)
    • Battery isolator for multiple battery systems
    • Remote ON/OFF switch and timer functions
    • Lithium iron phosphate charge manager
    • Password lock function
    • Low (8mA) self consumption
    • Easily configurable

    Dimensions/Mechanical

    • 3.0″ x 1.55″ x 0.75″ (76mm x 39mm x 19mm) including the mounting flanges
    • Solidly built
    • Weatherproof
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