Comment on Solar powered personal umbrella with battery?

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zr0@lemmy.dbzer0.com ⁨3⁩ ⁨days⁩ ago

I think there are some test roads in the Netherlands on the bike lane. Roads are used in all weather conditions, 24/7. Umbrellas not. Roads have approximately the same energy yield as any solar panel on the roof, minus the suboptimal angle and minus the road users causing shadows.

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