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Wearables' Power Deficit

Posted November 08, 2014 12:00 AM by Engineering360 eNewsletter

By 2018, more than 112 million wearable devices will enter the market. Unfortunately, the power/performance profile of wearables remains much lower than those of smartphones. The problem is that these devices can use only small batteries, and small batteries cannot provide the operating life demanded by consumers. New Electronics surveys up-and-coming technologies to see if a solution is on the horizon. While better batteries are expected, don't look for a silver bullet in the next five years. Energy harvesting is promising, but efficiencies cannot provide sufficient power for any length of time. The brightest hope rests in sub-threshold design techniques.


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#1

Re: Wearables' Power Deficit

11/08/2014 3:02 PM

To me this all sounds like the EV battery problem.

Some years ago they had large heavy batteries with a limited power capacity and thus range but they did work.

Then came the lithium based battery tech that packed 10x or more power in the same space as the old battery systems.

You would think that they would have solved the problem being that the cry with the early battery tech as something like, "if only we could get 10x the power in the same packages as we have now the range problems would be solved!"

Unfortunately now we have the battery tech that can provide 10x the power and range over the early units had that could make EV tech highly viably they simply put in 1/10th the amount of batteries and cried that the range problem was still not solved. BS.

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#2
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Re: Wearables' Power Deficit

11/10/2014 6:56 AM

Unfortunately now we have the battery tech that can provide 10x the power and range over the early units had that could make EV tech highly viably they simply put in 1/10th the amount of batteries and cried that the range problem was still not solved.

Cost/Profit Ratio

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#3

Re: Wearables' Power Deficit

11/11/2014 7:53 AM

They're going about this all wrong. Instead, they should be focusing on piston-powered jockstraps activated by bodacious hunks eyeballing exciting material. If you want to do renewable energy, then do renewable energy.

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