In its earliest stages, and developed by graduate students from Keio University in Tokyo, the “biological microgrid” Raiki will aim to harvest electricity from trees by drawing from the “triboelectric” effect in …
Say hello to the Cheero charger, a little block of iPhone juice to keep your device alive. Beneath the smiling face of a Japanese character called Danboard is enough power to charge …
This handy little device is great for outdoor adventurists or friends living in hurricane-prone areas. Simply crank the handle to power its light, radio and, most critically, your mobile phone.
Plug in the super-efficientAViiQ Portable Charging Stationand charge four devices at once (including an iPad). Designed for people who don’t want to waste time multi-tasking with countless cables, this allows you tocharge …