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posts about #solarpoweredlamp more →
Sony Hana Akari Lamps Are Actually Un-Ugly Solar Chargers

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frigg
12/11/08

In reply to Sony Hana Akari Lamps Are Actually Un-Ugly Solar Chargers
I wonder how its overall efficiency shakes out? Since it takes energy to power the light in the first place, I wonder what percentage of its own energy it's able to recapture, and if it's a meaningful amount.
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