Datexx Super Battery Dynamo Cell Phone Charger

While it does work as advertised, the Super Battery still has a long way in order to make it into my backpack for a hiking trip. First of all, the instructions caution against using the hand crank, except for emergencies. This seems a little ambiguous. Does this mean it isn't tough enough to stand up to everyday use? I think most people bought this because of the hand cranking option. Now, I find out that if I use it, I might break it? I'm just a little confused.

Will it charge? Well I hooked my iphone up to the Super Battery, and cranked it for half-an-hour (a painful half-an-hour). According to my multimeter, my battery gained about 3% from the effort. So, that's probably not a good thing for the hand cranking option. As for the built in battery, it's only rated at about 1700mAh. The technical specs says it has a single AA rechargable battery inside. ???? There are a multitude of good quality, low-priced AA rechargables on the market with upwards of 2950mAh per battery. Why choose such a small capacity?

I'm getting ready to crack the Super Battery open and see if I can change the battery and/or add another. If there's room I should be able to increase storage capacity to 5000-6000mAh. That would make it much, much more usefull.

After charging this unit up overnight, I plugged the USB adapter to my Motorola Razr v3xx and it did not show a charge light on the phone.

I started cranking the handle and found at slow speed, the phone would show a charge light, if I went too fast, the charge light would go back off.

So if you can be very patient cranking this device while watching the phones charge light to be on, it can work for your Razr v3xx.

Other phones and devices may work with this device

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The product worked for most of my USB powered devices, but the huge disappointment was that I had an Ipod Video when I bought this charger, but a few months later I upgraded to an Ipod Touch. The charger DOES NOT work with the Ipod Touch, this wouldn't be a problem if it was clear, but it is not clear, nowhere in the product description this is specified.

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I bought this unit because it said it worked with i-pods. Apparently they didn't mean i-touch i-pods. Guess what I have? It also does not work for Garmin navigation units. Anyway, I've written Datexx Customer Support so we'll see what they say. But at this point, it is a very expensive and very heavy flashlight.

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It's pretty good, my biggest problem is that the charge from a wall charge on it isn't enough for a full charge on my BlackBerry.

The flashlight part is nothing to write home about... sorta dim.

Pretty sturdy besides that...