Harbor Freight 100W Solar Kit. Full Review – Day 1 July 7, 2020 Solar Power Videos Day 1. Sharing my first day using the 100W Harbor Freight Solar Panel Kit. This is the new July, 2017 version of Related Video Posts US solar panel manufacturing is growing ☀️ Solar-powered breweries are booming in the US Happy #SolarAppreciationDay! ☀️ Please follow and like us: