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

post #1 of 26
Thread Starter 


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.
Source


Um, like, um, yeah, wow...
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post #2 of 26
DO

WANT!

Question is, how many 'twists' does it take to give it a full charge? And how long have battery companies been holding out on us with this technology?
post #3 of 26
I think its going to take a lot of twists haha. I remember using one of those cranks to power up a lightbulb and it was hard work xD
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post #4 of 26
they are probably a fail like self cooling beer cans. self cooling beers cans are a good idea but cost like £5 for one can compared to £5 for half a dozen and you get barely any beer in them
    
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post #5 of 26
pretty cool none the less
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post #6 of 26
Awesome, perfect thing to add to my apocalypse survival kit.
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post #7 of 26


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?
 
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post #8 of 26
Someone should take this battery, and figure out a way to make it auto spin, or put it in a device that auto spins it, for infinite power!
It's TURBO TIME!
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It's TURBO TIME!
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post #9 of 26
Quote:
Originally Posted by cl04k3d View Post
Someone should take this battery, and figure out a way to make it auto spin, or put it in a device that auto spins it, for infinite power!

Maybe we can hook it up to a belt, and then we can figure out some way to power that belt.... possibly a motor! yes... yes a motor will work!

We will call it a generator!!
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post #10 of 26
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.
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