EcoFlow's Solar hat is better for the planet than your style
Briefly

The EcoFlow Power Hat boasts embedded solar panels in its brim, designed to charge portable devices while maintaining remarkable efficiency and a rugged, outdoor-friendly design.
With an output capacity of 5V/2.4A, the EcoFlow Power Hat can keep essential devices charged, though it doesn't carry a battery and requires external connection.
Read at Engadget
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