Thinking of charging your EV with rooftop solar? Most answers online are "it depends" or an installer's sales pitch.
VoltSolar shows the math, free with no sign-up. Pick your EV (75+ models), your US state and your daily miles to see:
• How many solar panels you need
• The installed cost
• Your cost per mile: solar vs grid vs gas
• If a home battery is worth it
Built on EPA ratings, sun data for all 50 states, and EIA and AAA prices. Every formula is on the site.
