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Solar Controller Circuits

Solar Battery Charger using LM339 Comparator

Last Updated on December 4, 2023 by Swagatam 13 Comments

LM339 solar battery charger circuit

This small LM339 based solar battery charger setup is designed to optimize the charging of your battery using any solar panel while protecting it from accidental overloads. Considering the extended battery life it allows you to achieve, it is an investment that quickly pays for itself. Circuit Description Our setup is nothing more than a […]

Filed Under: Solar Controller Circuits Tagged With: Battery, Charger, Comparator, LM339, Solar

High Efficiency Solar Charger Circuits using Switching Regulators

Last Updated on July 5, 2025 by Swagatam 7 Comments

solar battery charger using 7805 switching regulator

Solar power or electricity from sun light is so abundant that we can afford to waste it or dissipate it in the form heat. This means that we can use large, high power solar panels to charge batteries with lower power without bothering about how much solar energy is being wasted and how much the […]

Filed Under: SMPS and Converters, Solar Controller Circuits Tagged With: Charger, Circuits, Efficiency, High, Solar, Switching

How to Connect Solar Panels in Series and Parallel

Last Updated on March 6, 2023 by Swagatam 9 Comments

solar panel in series

In this post we will study how to connect solar panels in series and parallel and also learn how to calculate solar panels in series and parallel. Before I have explained the connection details, it would be important for us to learn some of the important parameters and specifications related to solar panels. Solar Panel […]

Filed Under: Solar Controller Circuits Tagged With: Connect, Panels, Parallel, Series, Solar

Types of Solar Panels, Solar Inverters Explained

Last Updated on June 12, 2021 by Swagatam 4 Comments

solar roof shingles compressed

In this article I have explained the main types of solar panels available in the market, and also discuss the different types solar inverters which are specifically compatible with these solar panels. Further in the article we will also discuss how the efficiency of a solar panel may be affected due to to bad weather, […]

Filed Under: Solar Controller Circuits Tagged With: Explained, Inverters, Panels, Solar, Types

How to Make Dye-Sensitized Solar Cell or Solar Cell from Fruit Tea

Last Updated on January 23, 2024 by Swagatam 2 Comments

conductive glass 1

The innovation of dye-sensitized solar cells has expanded the device’s potential up to the point where it might completely oust costly silicon solar cells. In the following post I have explained how you can easily construct this versatile dye-sensitized solar cell using very ordinary materials. This experiment relies on the concept of utilizing the organic […]

Filed Under: Solar Controller Circuits Tagged With: Cell, Fruit, Sensitized, Solar

Solar Charge Controller for 100 Ah Battery

Last Updated on December 15, 2021 by Swagatam 32 Comments

100 Ah solar regulator

This comprehensive solar charge controller is designed to effectively charge a big 12 V 100 Ah battery with utmost efficiency. The solar charger is practically foolproof in terms of battery over charge, load short circuit, or over current conditions. By Vismit Singh The key elements of this 100 Ah solar regulator circuit are, obviously the […]

Filed Under: Solar Controller Circuits Tagged With: 100, Battery, Charge, Controller, Solar

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