rechargable

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 of the battery is the actual power cell, described in the design as Ni-mH. The bottom half twists and loads a spring inside the barrel, which as it unwinds turns a generator that charges the battery. Of course, the battery can also be charged with an external charger to save you from having to wind it up all the time.

HYmini has revealed its latest renewable energy charging solution at this year's Consumer Electronics Show. This foldable, fully portable contraption includes its own solar panel and wind turbine.

As long as the wind is blowing and the sun is shining the Biscuit will charge two AA batteries stashed inside the frame. The device also includes a USB port for charging other devices via USB cable.

Over 15 million alkaline batteries are disposed of every year. Finally, one NiMH AA rechargeable battery promises to be convenient, affordable, and reusable. Moxia Energy won a 2008 Gold Product Design Award from International Forum Design (iF) for the product. The USBCELL plugs directly into any USB port and reaches

a full charge in 5 hours. Plugging these batteries in or using an approved standard NiMH charger for even just a few minutes provides enough juice for a quick boost. These brilliant, cordless devices can be used anywhere AA batteries are needed, and charge in any computer or gaming console. A two-pack

If you're interested in England's answer to the Tesla Roadster, reserve a Lightning GTS today for 15,000 pounds (about $29,500 US). Lightning Car Company Limited plans to deliver the electric vehicles in the UK starting next year. The company

claims the car will achieve naught to 60 in only four seconds, with a top speed of 130 mph. In addition, Lightning claims the range of 30 on-board NanoSafe batteries powering the vehicle will be 250 miles per charge. NanoSafe batteries contain no heavy metals and are