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power bank battery Customers Reviews

  • Just Great!

    posted by Vauldon

    -It can charge your cellphone up to two times, or give your tablet a longer life. -The usb interface makes it very easy to charge everywhere.-And the size and weight makes posible to carry it around without any problems (9,5x2,4x2,2 cm)
    -If you are going to carry it with the strap, be sure to check the weather, water could enter the device, the USB is upwards when carried by the strap.
    -Just great if you work all day in the streets with a heavy use of cellphone (as my case).
  • This is a great, pocketable power source for charging smartphones

    posted by rlhess

    These (I bought three) are very useful when my two sons run out of smartphone power in the middle of nowhere. I have one as well for the same reason.Very easy to use with devices that are charged via a USB cable. It just inserts between the USB charger and the phone (in essence), although I tend to charge them separately, often from PC's USB ports (as they are handy).
    Please remember to turn off the device when done as there is some drain from the internal inverter circuitry (and LEDs) as long as it's on.The 6000 mAh capacity is related to the cell at roughly 3.4 V, so the 5.5 V output of the unit will be about 3300 mAh, estimating a 90% inverter efficiency. Still, it's 20 Wh of power in a slim case.
    Nice package, I would buy more if I needed one.
  • Excellent Build Quality

    posted by KaySees

    - Excellent Build Quality- Able to charge 3 devices at the same time (iPad, iPhone and Nexus 4) via the 2 USB and inductive charging pad.
    Money well spent, fit right in the back pocket of jeans for easy carrying.
    Definitely worth the money and the weight if you travel a lot, and have multiple devices to keep alive. I have 4 phones in the family plus tablets wherever I go!
  • Very good backup battery

    posted by xXXXx13

    Good capacity, good build quality and good price. Can charge 2 devices at 1 time. Blue LED light tells you how much capacity you have left. The first is for 2.1A and the other for 1A.
    For the capacity that it can hold the price is definitely worthwhile. It can charge quite a number of different devices too
    Good capacity, good build quality and good price. A life saver and very useful when you are away.
  • Work ok for phone charging. And light ":)

    posted by hevgen

    Small price.Universal USB socket allow to charge any phone with +5 V input using your own cable.No integration of cable make it more compact.Long lighting expected because of 4 AA batteries using.Switch save power if charging is not needed now and allow to store batteries in the power bank.
    Would be good to have the switch more deep in the body to protect from occasional power on.
    Good gadget for "back-up" charging of the phone.

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