Tag: batteries
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Self-Contained Battery Concept Charges Itself
This rechargeable battery concept couldn’t be simpler. Grab the top and bottom of the dead battery and wind it up! The spring inside the battery housing then turns and charges the power cell inside. Designed by Yeon Kyeong Hwang and Mieong Ho Kang, these wind-up batteries could charge anywhere without external power. The top half…
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Top 10 Batteries Usage Tips, Hacks and Tricks
The gadgets you love don’t always love you back—at least when it comes to battery life. But you can get more from your laptop, your iPod, your phone, and other devices with these 10 techniques. 10. Turn C batteries into Ds with quarters Only a few things ever need D batteries, but who has them…