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Ultracapacitator Flashlight Charges in 90 Seconds, Doesn't Use Batteries


I’m always on the lookout for dependable flashlights, so the upcoming release of 5.11 Tactical’s Light for Life has really piqued my interest. Instead of batteries, the flashlight uses an ultracapacitator to hold its charge.

According to the company, the flashlight can perform 50,000 charge/discharge cycles with no degradation of quality— that’s one charge a day for over 135 years. And if that isn’t impressive enough, it can go from being dead to fully charged in 90 seconds. The flashlight provides 90 minutes of light per charge.

The 16 oz. Light for Life has no replaceable parts, and requires zero maintenance. At $169.99, it’s somewhat of a bargain considering it may be the last flashlight you ever buy.

For detailed information on the inner workings of the Light for Life’s ultracapitator, check out the flashlight’s blog.

Photo Credit: 5.11 Tactical

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Written By

was formerly the editor of CleanTechnica and is a senior editor at Co.Exist. She has contributed to SF Weekly, Popular Science, Inhabitat, Greenbiz, NBC Bay Area, GOOD Magazine, and more. A graduate of Vassar College, she has previously worked in publishing, organic farming, documentary film, and newspaper journalism. Her interests include permaculture, hiking, skiing, music, relocalization, and cob (the building material). She currently resides in San Francisco, CA.


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