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News — solar

Building a solar garden light

Posted by Matthew Little on

This blog post covers my prototyping of a simple solar garden light. I wanted to make a simple kit to convert a jam jar into a solar powered garden light. These kind of lights are readily available, but they usually contain a nickel-metal-hydride (Ni-MH) battery (usually a 1.2V AAA sized cell). I have seen a lot of these lights which use cheap solar panels and the batteries have failed due to being left for a long time (over-winter) with a discharged cell. I thought I could use an ultra-capacitor for energy storage, as these can be left for a long...

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