UPDATE 12/13/09: I have run the ZAGG spark portable power pack through a couple charge cycles. It is impressive. I am working on a deal where if you purchase one, $10 will be sent to AMSAT. Stay tuned ... I will be creating a Web page with detailed information. - Clint Bradford, K6LCS
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Ever wanted more battery life from your iPod / PDA / cell phone or other device that charges via USB? Of course we have.
The company name, ZAGG, might not ring a bell with you. But more of you have heard of the InvisibleSHIELD line they market - IMHO the best of the screen protectors for our PDA and cellphone screens.
Well, ZAGG just introduced what appears to be the best of the "portable USB device power packs" available.
Although the ZAGGsparq is marketed as being "able to charge an Apple iPhone up to four times," I see it being used for a lot more applications.
Physically, it's 3.5 x 3.5 x 1" in size. Its Lithium Polymer battery pack is rated at 6000mAH - that's SIX AMPS in your little pack. Only the Amstron PP66S has that capacity ... but the ZAGG offers more features than the Amstron.
ZAGGspark works with any of your devices that uses a USB cord for charging. Plus, it provides TWO USB ports for charging your mobile devices when plugged into an AC outlet.
Weighs a tad over a half-pound. Four LEDs indicate the pack's power level (25% / 50% / 75% / 100%).
I just ordered one, and will immediately put it to use. It's going to power my Verizon MiFi 2200 and Apple 32GB iPod touch. I'll report back how it performs.
Clint Bradford 909-241-7666