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battery powered usb charger

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battery powered usb charger Customers Reviews

  • Price / Quality very good

    posted by julesrdt

    It's very easy to use. Lighter than most of the other back-up batteries and stylish. Really fast charging. Takes around 4 hours to fully charge.
    I also used it to charge ipad mini works perfectly fine.
    Definitely suggested, I already ordered another as a gift to a friend. Lifesaver especially with the battery problems with iphone 5s
  • Works

    posted by atiratha

    Dimensions are really small, cannot believe it has the capacity it says but time will tell.
    It takes a little time for the device to register being charged but it registered both on my SGS II and my Nexus 7
    Really cheap and does what it says on the box. Not bad for this price.
  • Great for emergencies

    posted by Sakokuruto

    -Charges my phone really fast! -The battery comes with a cap so that you don't damage the microusb. The cap is attached to the battery itself by a string so that you won't lose the cap itself.- The microusb is long enough even though my phone has a case of moderate thickness on it. (I'm not sure about otterboxes).- 4 little lights on it indicate when it's done charging and when it has no more juice left to give. - Very nice and compact size. I can easily fit it in my purse or pocket.
    I'm currently testing it out and had my phone at 64% on standby. It's been charging for over an hour (expressing that it's only at 1 charge light for a good 30 minutes) and my phone is already at 94%. I'm confident that it can charge my phone to full.
    If you know you'll be out for a long day and/or will be using your phone a lot, this should be enough to pull you through.
  • 18650 charger and emergency power bank for phones and other gadgets

    posted by Daijus

    It charges 1 to 4 x 18650 battery.It can be used to charge a phone with as little as 1 18650 battery.It has battery indicator for each battery.It has charge indicator for each USB outletIt takes protected and unprotected batteries, so you can use old laptop batteries.If you use unprotected 18650's this device protects the batteries against under- and overcharge.
    Why not make both USB's 2A?
    I love it, great device, never worry about phone battery when this is in your bag!
  • Kewl

    posted by Robamirault

    I thought I'd give it a shot and found it to be a useful tool. Been in a situation many time where it came in handy. I sometimes work in low signal zones and this can cause the battery to drain faster than usual. This unit has kept my phone operational until I was able to plug it in to charge. The portability factor was important to me as well. The unit hangs there as I use it but better than not being able to use the phone at all.
    Not sorry that I bought it and recommend it to anyone who needs there phone and des not have long enough life out of the battery in their phone.
    Nice little unit for a decent price

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