With a 720W solar roof you get 0.72 kW×5 hours=3.6 kWh/day, that’s 15 to 18 km, so it’s NOT NOTHING…but almost if Stop and Go Allowing for about 10% charging loss, the battery may receive approximately 3.2 kWh/day. Time to fully charge Assuming a 73 kWh usable battery: 73÷3.2≈23 days
Fellow solar nerds will enjoy this. "Fuyao Glass has confirmed mass-production capabilities for solar sunroof glass, with photovoltaic cells embedded" in cars www.pv-magazine.com/2026/08/19/c...
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