Fast Company Archives – The Green Optimistic green tech news, since 2008 Tue, 06 Jan 2015 08:21:56 +0000 en-US hourly 1 https://wordpress.org/?v=7.0 2667534 Tiny Battery Made from Recycled Cardboard Charges Your Phone On-The-Go https://www.greenoptimistic.com/tiny-battery-made-recycled-cardboard-charges-phone-go-20150105/ https://www.greenoptimistic.com/tiny-battery-made-recycled-cardboard-charges-phone-go-20150105/#comments Mon, 05 Jan 2015 10:30:07 +0000 https://www.greenoptimistic.com/?p=51080 Quick emergency phone charging can now be much easier, cheaper and eco friendly with the new concept of recycled cardboard batteries. Easy to transport and with biodegradable packaging, these new tiny energy storage devices could give as much as 6 hours extra talk time. I will not argue that there are many options for portable energy […]

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