🛡️ Preppers HQ / Preparedness Hub
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☀️ Solar Power Calculator

List the devices you need to keep running and we'll size the solar panel wattage, battery bank, and charge controller you need.

DeviceWattsHours/day
0 Wh/day
Daily Energy Need

🔧 Recommended System Size

Sizing includes a ~25% system inefficiency buffer (inverter loss, battery efficiency, panel derating) — standard practice for real-world solar sizing.
Part of the Preppers HQ Preparedness Hub — free tools for real-world readiness.