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[Geek] Don’t have a charger? Just wind these batteries up! - Page 3

post #21 of 26
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Quote:
Originally Posted by skatpex99 View Post
Troll physics lol
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post #22 of 26
Thread Starter 
Quote:
Originally Posted by pr0bie View Post
How about a battery that powers itself!!
That would put the battery companies out of business...
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post #23 of 26
Somewhat unrelated:

Just got an idea. Make a console controller's button presses generate a small amount of electricity, that can charge the controller's batteries. Then your controller's batteries would never die unless you let the controller sit for months without using it.
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post #24 of 26
personally they look like something you'd have as a backup in something like a survival kit, they would have really come in handy several years ago when half of the Northern United States lost power for a few days.

I remember using my car to recharge my PSP so I could watch movies at night, neighbor was BBQ'n everything since the refrigerator had no power, candles everywhere.... good times
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post #25 of 26
Quote:
Originally Posted by foothead View Post


Ummm... ? The battery in there is so small that I doubt it'd be more than 600 mAh. Why not just use larger cells that won't need recharging in the first place?
Maybe this is meant for emergency use, rather than for use as a primary battery?

Quote:
Rechargeable batteries are beneficial in that you you can reuse them over and over again just by dropping them into a nearby charger for a few minutes or a few hours. But what if you are in a situation where a charger is unavailable or even broken? Now matter how good they are, rechargeable batteries lose their usefulness quickly unless you have a charging unit to power them back up.
Derp.
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post #26 of 26
Quote:
Originally Posted by 0rion View Post
Why not make a battery coated in solar collecting material, so when the batteries die, you can sit them on a table in the sun and wait 10 minutes for them to charge? Screw winding that thing 10,000 times for 5 minutes of battery life.

You'd need some thin film solar material to apply to the batteries, but nanosolar has stuff you could coat a battery with, and Im sure other companies do too.
I'm pretty confident battery companies have considered that possibility, but there's probably a pretty good reason they don't just do it on the battery. My guess is that it has something to do with batteries exploding after being exposed to the heat for too long, which seems pretty in-line with the warning batteries are required to have on them about being exposed to heat and flame

This is pretty awesome for the times when you really need a battery charge. I can definitely see this type of battery being beneficial to walkie-talkies, or other transmission devices.
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