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  • Dark Mode

    lf like myself you are a fan of power saving on mobile devices and have Chrome, Firefox or Safari installed, there is a new browser extension that will display any website's pages as dark mode, including this forum. The following link will take you to the main website, where DARK READER can be...
  • Greetings from the UK (take two)

    Location: Hull, UK (that's 200mls north from London, hang a right at York and 40mls east, located on the estuary). My time: Currently summer so UTC+1 Experience: Mainly from researching RV and Home Battery Solar YouTube channels for reviews and recommendations. Projects: Portable 12v "in a...
  • Panel Angle: Northern Hemisphere

    I have always used the following advice as means of judging the most efficient angle to the horizontal for northern hemisphere and my UK location (latitude 53 degrees): SUMMER Degrees Latitude x 0.9 - 23.5 SPRING / AUTUMN Deg. Lat. - 2.5 WINTER Deg. Lat. x 0.9 + 29.0 Simply put, summer...
  • Would It Work? Concept for fixed installation: Using Focal Mirrors

    One of the cost factors to take into account with any solar installation involves cabling between the panels and either where the power is to be used and/or the battery storage bank. My question for the forum, could long cable runs be substituted by using mirrors to focus sunlight on to a...
  • Smart 12V Battery Charger Recommendations?

    Greetings Energy Experts, I'm looking for recommendations for a reasonably priced smart battery charger, that can top off my battery bank of two 12V 130Ah sealed deep cycle lead acid batteries in parallel overnight when not under load. Batteries have voltage drop protection to prevent...
  • Question: Water Heating Efficiency - Photovoltaic or Solar Thermal?

    Does anyone have the energy comparisons between heating water using photovoltaic source to power a water heater (on demand) and solar thermal to heat water direct in the panel and using some form of high volume storage to extract using a heat exchanger? Which is the more efficient and which...
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