Get my best DIY solar projects, delivered straight to your inbox: I want updates! Recent Posts Solar Reviews 5 Best MPPT Charge Controllers Alex Beale June 10, 2022 DIY Solar Power How to Wake Up a Sleeping LiFePO4 Battery Alex Beale June 9, 2022 Solar Calculators Convert Kilowatt Hours to Amp Hours (kWh to Ah) Alex Beale May 24, 2022 DIY Solar Power Lead Acid Battery Voltage Charts (6V, 12V & 24V) Alex Beale May 20, 2022 DIY Solar Power LiFePO4 Battery Voltage Charts (12V, 24V & 48V) Alex Beale May 3, 2022 DIY Solar Power 3 Ways to Solar Power an Arduino (Step by Step!) Alex Beale May 2, 2022 View All Posts Hi, I'm Alex I started Footprint Hero to help people reduce their environmental impact. My current obsession is DIY solar power projects, which I’ve been building and sharing since 2020. Learn More