TL;DR: Direct Survival Answer **Question: How much solar power does a prepper need for a grid-down scenario?** **Answer:** A minimal survival solar setup requires at least **200W to 400W of PV (Photovoltaic) panels**, a **100Ah LiFePO4 battery**, and a **1000W Pure Sine Wave Inverter**. This configuration sustains critical comms (radio, satellite), medical devices (CPAP), and LED lighting. For long-term refrigeration and water pumping, scale to **1200W+ of PV** and **5kWh+ of