The calculations and solar sizing blueprints provided by OffGridVanCalc.com are intended strictly for informational and educational purposes. While our algorithms incorporate industry-standard electrical efficiency paddings, every DIY build is unique. OffGridVanCalc.com assumes no liability for electrical errors, hardware damage, or safety hazards resulting from the use of this tool. Always consult a certified auto-electrician and follow local automotive electrical safety guidelines before executing any physical high-voltage or low-voltage wiring.