How to Connect Solar Panels in Series and Parallel

Selecting and connecting solar panels of assorted voltage or wattage in series and parallel configurations, and manufactured by different suppliers is generally a sought after question by most DIYers. Even though connecting several solar panels is not encouraged, it’s not prohibited either and everything could well be fine provided that each panel’s electrical criteria (voltage, […]

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Simple 12V Solar Charger Circuit with Boost Converter

The post explains how to build a simple 12V solar charger circuit with boost converter capable of charging 12V battery from a 3V solar panel.   A Solar Charger excellent for Self-Sufficiency The intent behind this circuit should be to achieve a Solar Charger 13.6V supply with low price. For this reason the project is […]

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Boost Converter Circuit for Solar Cells

The boost converter circuit for solar cells can be employed for charging batteries from minimal voltage solar arrays. End results were gathered working with 3X3 cells that provide you with approximately 400 millivolts at 1 amp. The pictured solar panel array includes 20 cells in sequence and yields around 8 watts at 8 volts in […]

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Li-Ion Solar Charger Circuit

The article describes a straightforward Li-ion solar charger circuit with automatic cut-off applying transistors mainly. Solar Charger Circuit using Transistors with Automatic Cut-off   Loking at the above simple solar charger circuit using transistors, the automated cut off for the over charge level and the under level is performed by using a few BJTs put […]

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