Without a doubt, the military is home to some of the best gadgets. Fortunately for us, the non-lethal stuff often makes it into the hands of consumers after companies finish milking the government of its R&D budget. Case in point: this electricity-generating backup. Designed for the military, the kinetic energy pack is suspended on a rail that generates electricity as you walk. The power generated will charge a standard US Marine-issue lithium ion battery pack or can be directly routed to whatever device you want to charge. The obvious benefit would be limitless power in the field freeing troops from carrying extra batteries on long missions. A power meter on the shoulder strap lets you monitor performance while a three-stage resistance device lets you regulate the power output. A braking mechanism lets you lock down the pack when you want to keep the pack steady. Otherwise, it looks like it'll generate about 8 watts of power while walking or 44 watts of power when running. Do want. See it in action after the break.

[Via besportier]

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Power generating backpack is a gift from the gadget gods, Uncle Sam