Hand wound phone chargers?

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KHOLLAND
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Hand wound phone chargers?

Post by KHOLLAND » Fri Dec 09, 2011 11:53 am

I've been looking for a charger in case of a power outage. I already have a back up battery. everything I've looked into dose not have a good reviews. Dose ant one know of a worthy hand wound charger? Or should I just resign myself to hoping the power comes back on?

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Re: Hand wound phone chargers?

Post by Gingerbread Man » Fri Dec 09, 2011 11:58 am

http://www.amazon.com/dp/B0007CL02S?tag ... Y7QW55EVEV&" onclick="window.open(this.href);return false;

How's this grab ya'?
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SteveD
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Re: Hand wound phone chargers?

Post by SteveD » Fri Dec 09, 2011 1:41 pm

Eton makes about the same thing.
http://www.shopetoncorp.com/products/am ... s_products" onclick="window.open(this.href);return false;
Kaito makes this
http://www.kaitousa.com/KA500.htm" onclick="window.open(this.href);return false;
Or if you want something different that has a few more uses,not solar but it has a 12 volt standard outlet on it.
http://www.truckntow.com/pc-26434-14738 ... -amps.aspx" onclick="window.open(this.href);return false;
Just my 2c--If the power is out long enough that you need a solar charger--is the cell tower working?
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KHOLLAND
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Hand wound phone chargers?

Post by KHOLLAND » Sat Dec 10, 2011 6:30 am

Thanks for the info.

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Grant
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Re: Hand wound phone chargers?

Post by Grant » Fri Dec 16, 2011 8:01 pm

To be honest, the only things like that I found that work for me at all are the Eton ones. They work great. I've had no luck with the off-brands. My 'clock radio' is an Eton red-cross branded one that can use both the crank, or a solar panel to charge the phone (or itself).
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Re: Hand wound phone chargers?

Post by Redshirt » Thu Feb 02, 2012 11:32 am

SteveD wrote: Just my 2c--If the power is out long enough that you need a solar charger--is the cell tower working?
If you dropped your dedicated GPS in a lake, you could use your cell for GPS, assuming, of course, it had power for it. Just an example. Phones don't just make calls anymore.

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Re: Hand wound phone chargers?

Post by NT2C » Thu Feb 02, 2012 1:53 pm

Redshirt wrote:
SteveD wrote: Just my 2c--If the power is out long enough that you need a solar charger--is the cell tower working?
If you dropped your dedicated GPS in a lake, you could use your cell for GPS, assuming, of course, it had power for it. Just an example. Phones don't just make calls anymore.
Laminated paper maps don't need chargers though. :)
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Re: Hand wound phone chargers?

Post by rakkFO » Thu Feb 02, 2012 4:37 pm

This charges my iphone 4s and my older 3gs. I have used it several times direct no battery. Obviously you can’t use at night like you can a crank, but it works.

http://www.amazon.com/PowerFilm-F15-300 ... 453&sr=8-7" onclick="window.open(this.href);return false;

good price right now at $59 i think i will buy a third for the wife car! My last one came in ACU

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Re: Hand wound phone chargers?

Post by raptor » Thu Feb 02, 2012 5:02 pm

BTW my experience with hand charging a cell phone is that you have to do a hell of a lot of cranking to get enough power to make a difference.


A solar charger is IMO a better bet.

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Re: Hand wound phone chargers?

Post by Paladin1 » Thu Feb 02, 2012 7:01 pm

My experience is the same as Raptors. I have a Eaton radio/light/charger and I let my phone go completely dead while out camping.

10mins. cranking was not enough to get it to even come on. An my hand was killing me at that point. So I just plugged it into the truck. :D

Solar will be my next trial. Probably this:
http://www.woodsmonkey.com/index.php?op ... &Itemid=60" onclick="window.open(this.href);return false;
WWSD?

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Re: Hand wound phone chargers?

Post by rpc » Thu Feb 02, 2012 10:07 pm

I'm a sucker for crank radios, and I own a couple of them. I don't own one that will readily charge other devices, but if I found one at a good price, I'd probably get one. After all, I am a sucker for them.

But as a practical item, I have my doubts. First of all, on the two I own, the cranks look a little bit on the flimsy side, particularly the fold-out plastic handle. Eventually, it's going to break. The actual generator mechamism is probably more robust (although I don't know that for sure). But if the handle is broken, it's not going to be much fun to operate. And I have no evidence to back me up, but I strongly suspect that the mean time to failure of that handle would be the equivalent of a couple extra set of alkaline batteries.

In other words, these radios exist because people realize that batteries won't last forever. But the plastic crank won't last forever, either. So at a minimum, if you plan to rely on something like this, you should make sure that it's built in a durable fashion. But I suspect that a box of alkalines would last longer.

As others have noted, it does take a lot of cranking. Both of my radios also contain a flashlight. It's better than nothing, but it really only functions while cranking. The light will quickly drain whatever charge you got from several minutes of vigorous cranking, in a matter of seconds. The radio will actually play for a reasonable amount of time. I forget exactly, but it's something like 10 minutes of cranking will give you 5 minutes of uninterrupted listening. (In that sense, these are a good emergency radio for people who are forgetful about keeping batteries on hand.) I've suspected what the last two posters have discovered--it will take a lot of cranking to give a reasonable charge to an external battery.

Since most people own a perfectly good source of 12 volt electricity (namely, their car), I think having a 12-volt charger is infinitely more practical for 99% of people's needs. The other alternative, of course, is those spare alkalines. Especially in the case of a cel phone, that's probably the best option. If it's a situation where you are unable to buy batteries after you've used up the last of your one month supply, then the phone probably isn't much use anyway.

For modest electrical needs in a TEOTWAWKI situation, then a solar charger is probably the best bet. I have an inexpensive one that will fully charge two AA cells during the course of one sunny day. That's probably enough to keep a small radio operating more or less indefinitely, with enough juice left over to use a flashlight for a few minutes each night. For slightly larger needs, then a small 12 volt panel would be the next step up. We have a very small panel (I forget the exact size, but it's something like 5 watts), which is enough to keep our camper battery charged more or less indefinitely for very modest use of lights and water pump.

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