portable charging Archives – The Green Optimistic green tech news, since 2008 Tue, 16 Aug 2016 20:58:36 +0000 en-US hourly 1 https://wordpress.org/?v=7.0 2667534 Estream, a portable water turbine to power electronic devices https://www.greenoptimistic.com/estream-portable-water-turbine-20160816/ https://www.greenoptimistic.com/estream-portable-water-turbine-20160816/#respond Tue, 16 Aug 2016 20:58:28 +0000 https://www.greenoptimistic.com/?p=60414 Estream is the latest technology that provides portable power for electronic devices. It is hydro-turbine that uses the force of flowing river streams. Staying connected at all times is now more important than ever. Only a decade ago a lack of a mobile phone or reception (or Wi-Fi for this matter) was not really a big deal. […]

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]]> https://www.greenoptimistic.com/estream-portable-water-turbine-20160816/feed/ 0 60414 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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