Isn't fun the main point of artisanal technology projects like this? Did you really expect to save money by using solar at such a micro scale where you get prec

Isn't fun the main point of artisanal technology projects like this? Did you really expect to save money by using solar at such a micro scale where you get precisely none of the economics of scale? Besides, lowtechmagazine also goes offline from time to time: https://solar.lowtechmagazine.com/about.html#often https://solar.lowtechmagazine.com/about.html#often It seems like your battery perhaps wasn't big enough, or you haven't taken enough measures to engineer your system. This certainly isn't plug-and-play without getting an enormously oversized solar and battery setup.