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power bank mobile battery Customers Reviews

  • Good priced battery backup

    posted by joebonsai

    Compact size, replaceable battery.Has red LED (not mentioned in description) that comes on when charging.
    I am using these battery packs with small solar panel to charge batteries during the day. Seems to work well, then at night I plug my iOS device into the battery and it recharges my phone/iPad. Works well. Nice compact design.
    Very good value for a nice battery in compact case with a cable and carrying strap. I really like it. Once the battery is charged, just plug in your USB device and it will be quickly recharged. My iPhone 5 went from 40% to 80% in about 10 minutes.
  • 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.
  • Very useful on-the-go charger

    posted by svenberkvens

    - Quite small: mobile phone size, just slightly thicker.- 6000mAh is enough to fully charge my HTC Desire twice- Includes cables for input AND output- Can charge two devices at once- Good quality build, has a soft touch too
    I always have this in my backpack so that I can always charge my phone when I need to. Perfect!
    A requirement for owners of a smart phone that drains its battery within a day.

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