☀️ Solar panel (portable)

Portable solar panels are permitted in carry-on and checked baggage, but their wiring, cells, and connectors can look cluttered and unfamiliar on an X-ray, sometimes prompting a secondary bag check. Screeners will take a closer look, confirm it's a solar panel, and clear it. Keeping it accessible in your bag speeds up the inspection if needed.

The panel itself faces no restrictions in any major aviation system. The key rule, which is consistent across the US, UK, EU, Canada, and Australia, is that integrated or removable lithium batteries cannot travel as spare batteries in checked baggage — they must be in carry-on. If your solar panel has a removable battery pack, that battery must always be in your carry-on bag.

Airlines have no specific policies against portable solar panels beyond the standard battery rules. If questioned, explaining that it's a solar charging panel for USB devices is usually sufficient — screeners and gate agents are familiar with the category. You cannot use a solar panel inside the aircraft cabin, but transporting one is straightforward.

If your panel has an integrated or attached lithium battery, it must go in carry-on — lithium batteries are not permitted in checked baggage as standalone units. A panel without any battery can go in either carry-on or checked baggage freely. For panels with delicate monocrystalline cells, carry-on is also preferable to avoid breakage from rough baggage handling.