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  • COMMAIK
    • Contact Form
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    • Privacy
  • The Villa
    • The top floor
    • The upper floor
    • The first floor
    • The cellar
    • The garden
  • Stories from the construction
    • irrigation
    • Photovoltaics
    • Pool and terrace
    • SmartHome
    • The planning
    • The demolition
    • The installation
    • Machinery
    • Restoration and working techniques
    • This and that
  • Videos
    • Build & Renovate
    • Irrigation
    • Carport
    • Gabions
    • Garden
    • Garden kitchen
    • Pool
    • Smart Home
    • Drying
    • Tutorials
  • TESTED & RATED
    • Heating solutions & energy
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    • Pool & garden kitchen
    • Security & Smart Home
    • Tools & DIY
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  • Optimize balcony power plant – New modules and 220V battery storage for maximum efficiency

    A person stands on a rooftop with solar panels and a balcony power plant, pointing toward a graphic showing a Zendure SuperBase energy storage unit. A modern house and trees are visible in the background. www.commaik.de

    In this blog post, I describe how I optimized my balcony power plant to maximize self-consumption and reduce dependence on grid power. I have installed new modules, improved the alignment and will integrate a battery storage system that supports bidirectional AC charging. I go into detail about setting up the EasyPower app and integrating the new APSystem EZ1 inverter into my Home Assistant for monitoring, as well as the results achieved and future plans to further increase efficiency. The aim is to maximize the efficiency of my system and make optimum use of the solar power generated.

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    24. August 2025
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  • LiFePo4 Powerstation – mobile storage for stand-alone PV systems

    Close-up of an ALLPOWERS powerstation with a digital display showing 74% battery, 499W output, and several connected cables and outlets on the front panel. www.commaik.de

    Powerstation for the garden house: the animal house in the garden with its large aviary requires electricity for the lighting and diesel heating. In order to reduce the electricity costs in the long term, I have built a PV island system which stores the electricity from the photovoltaic modules in special solar batteries. These batteries are now to be replaced by a mobile LiFePo4 battery.

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    Build your own mobile heating box: The best DIY solution with an 8kW diesel parking heater

    6. January 2025
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    Build your own garden kitchen – plan and install the electrics

    19. March 2024
    Black pipes on a rooftop pool heating system in the foreground, with a backyard swimming pool, lawn, stone wall, blue shed, and covered seating area in the background on a sunny day. www.commaik.de

    Pool heating with ribbed pipe systems – Build your own solar heating for the pool

    13. April 2025
  • Balcony power station – Set up the Solarman app optimally

    Screenshot of a solar panel monitoring app displaying the Statistik section. The background highlights blue solar panels, with the main heading reading Balcony Power System and a note showing it was last updated 5 minutes ago. www.commaik.de

    With a balcony power plant it is possible to cover the basic consumption of electricity in the household. But how do you monitor power generation? How do I know if the system is actually profitable? Quite clearly: with a program for analyzing, evaluating and monitoring PV power generation.

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    Laying pool edging stones and building your own pool terrace for the perfect pool surround

    8. December 2024
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    Reolink Altas PT Ultra: The powerful 4K battery-powered surveillance camera in a test

    13. October 2024
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    Permanently installing the sizzle zone of the Napoleon gas barbecue in the outdoor garden kitchen

    30. April 2025
  • 800W balcony power plant easy to install & optimize by yourself

    Two large solar panels for a balcony power plant stand on wooden pallets outdoors. An arrow points from 600W to 800W. Inset images highlight the panels, power inverter, and cables, showcasing the system's details. www.commaik.de

    To cover the base load I have installed a small 300W balcony power plant for quite some time. I was able to gain some experience and optimize my own use of solar power. Now I am replacing my 300W balcony power plant with a new 800W balcony power plant. In addition to the new PV modules, I renew the substructure, the microinverter and, of course, the connection to the house grid. During my rebuild, a few questions came up, which I would like to answer with this entry and my video:   👉 What components does a balcony power plant consist of? 👉 How to fix a balcony power station?…

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    Slope stabilization with gabions – Building raised beds with gabions

    12. June 2020
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    Diesel parking heater for animal house, workshop and camper: My test of the Vevor 8kW heater

    3. January 2025
    Black pipes on a rooftop pool heating system in the foreground, with a backyard swimming pool, lawn, stone wall, blue shed, and covered seating area in the background on a sunny day. www.commaik.de

    Pool heating with ribbed pipe systems – Build your own solar heating for the pool

    13. April 2025
  • Set up 2. balcony power station and connect in series.

    Two large solar panels, part of a balcony power plant, are mounted on a wooden platform outside a modern house, angled to capture sunlight beneath a partly cloudy sky. www.commaik.de

    Despite my balcony power plant in the backyard and lower electricity consumption, electricity costs keep going up. According to the http://strom-report.de, KWh of electricity costs an average of 34.6 cents. New contracts currently cost as much as 41 cents. It is therefore necessary to think about cost-effective alternatives and to add another module to my existing Balkan power plant. But can I connect 2 different PV modules together at all? Do I need a new inverter for two modules or can I continue to use the two old micro inverters?

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    A person stands on a rooftop with solar panels and a balcony power plant, pointing toward a graphic showing a Zendure SuperBase energy storage unit. A modern house and trees are visible in the background. www.commaik.de

    Optimize balcony power plant – New modules and 220V battery storage for maximum efficiency

    26. July 2024
    Screenshot of a solar panel monitoring app displaying the Statistik section. The background highlights blue solar panels, with the main heading reading Balcony Power System and a note showing it was last updated 5 minutes ago. www.commaik.de

    Balcony power station – Set up the Solarman app optimally

    29. October 2023
    Close-up of an ALLPOWERS powerstation with a digital display showing 74% battery, 499W output, and several connected cables and outlets on the front panel. www.commaik.de

    LiFePo4 Powerstation – mobile storage for stand-alone PV systems

    5. January 2024

Autor & Blogger

In this construction diary, we share our experience in the renovation and modernization of our Art Nouveau villa and hope to give a few suggestions and tips to some of you.

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