# The 5-hour solar drone record is real. Strip the battery and it lasts 3 minutes. - Date: 2026-04-05 - Category: Hardware & Energy The 5-hour solar drone record is real — but it required a battery buffer. Strip the battery and the first version crashed at 3 minutes. The gap between Luke Bells demo and Airbus Zephyr S at 64 days is not a roadmap gap. Its a physics class difference. ---