# The 5-hour solar drone record is real. Strip the battery and it lasts 3 minutes.

- slug: 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.

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