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universal power bank

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universal power bank Customers Reviews

  • Quite okay

    posted by skybeamer

    Small, leightweight an really easy to use. Fits in nearly every pocket. Came with an 80cm USB Male to Micro USB Male cable. Tough, demountable aluminium housing. Good price performance ratio.
    LED indicator glows red while charging the power bank and blue when fully charged. When you connect a device to the powerbank, no indicator glows.
    .
  • Great for the price.

    posted by thekanester

    I use an Ultrafire 2600mAh protected cell inside of this and it can pretty much charge up an iPhone 4 in a reasonable space of time. It charges up from USB in a couple of hours too.
    The little circuit board inside here is responsible for charging the 18650 cell & for boosting the voltage to 5v. It's amazing that this is so small and cheap. It could easily be removed from the casing and retasked for another project.
    If you have a bunch of 18650 batteries lying around, then this is a good price - I reasoned that it would be a better bet than a unit which comes with one inside, because with this setup I can vet the quality of the cell that I use. It doesn't seem to make sense to pay more for something that might be potentially poor.

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