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DIY Solar Energy System, Part 2: Batteries

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Yesterday, I wrote an article about basic PV (photovoltaic) system design and I talked about charge controllers. Today, in Part 2 of the series, I’m going to be explaining the many different types of batteries and how to maintain them.

By far, the most-used battery chemistry for PV applications is lead-acid. Thusly, most PV parts, [...]

DIY Solar Energy System, Part 1: Basic Theory and Charge Controllers

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For a while, I’ve been looking into building my own solar power system. I have experimented with tiny solar cells before, but this is different – I’m looking for enough power to run an appliance. This would be very useful for charging things like cell phones, media players, etc. without wasting energy off the [...]