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universal usb battery power

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universal usb battery power Customers Reviews

  • Good universal charger

    posted by rpascual92

    It is useful to charge any type of cell phone lithium ion battery. I bought it to charge an S3 battery, which had a bad usb connector. It comes with EU plug adapter.Detects polarity automatically and has a useful LCD display on which you can see the charging percentage: 0%-25%-75%-100%Also has a 1.2A USB port.
    It doesn't seem to be very power efficient, but is very handy to have a replacement battery ready to use. Also useful to do some DIY projects using old phone batteries.
    I recommend this product.
  • very nice power bank

    posted by Mar595

    This is a very nice gadget for your recharging when you travel. It charges with you usb or electric network and sun. It takes a while to fully load as it is a large battery, but then I can load my phone several times to 100%.Extremely good value for money. As said, the charging itself takes a while to get the full 4 lights led, as in fully charged. But hanging my phone on it, the phone reloads very fast. I also recharged a tablet etc. Charges very well. Reloading by sun is possible....but does take forever, so that's definitely a case of emergency. You can load till one led and recharge your phone. That works brilliantly.
    Very good product. I reordered as I want to give it as present to my friends. Love it!
    Value for money. Great product. Can't go wrong with this for you phone. And other energy absorbing things!
  • This is a must have if you have a cell phone!

    posted by BSeward

    I bought this device because I wanted a power bank for my phone. I already had the proper battery to fit it, so I bought the bank that came without a battery. Battery fit fine, and the blue light came on when plugged into the USB, indicating charging. It shines through the case, so is not very bright. You can see it ok, but it won't blind you! After a few hours the cell was charged, and I attached it to my nearly discharged Samsung phone. About an hour later, the phone beeped to indicate a full charge. It really was full, 2 days later and the phone still shows almost a full charge. I charged my Syma helicopter with the power tank, and after about 30 minutes, it was charged enough to fly for 6 or 7 minutes - basically a full charge.
    Got a Cell Phone? Or a RC helicopter? This will charge either, and is a real bargain for the money. Remember you need to have or buy a battery for it - DX sells them, too...
    Just get one!
  • Great product

    posted by jarren84

    Do what it meant to, the make is good plastic...not easily damage...
    maybe can come in more colors so as to match the interior of our cars..a simple LED indicator will be much better so as to let the user knows that the battery is fully charged so as to prevent over charging of any battery.
    Just buy one and try and u will see what i am trying to say. Its really paying peanuts and getting gold nuggets in return...
  • Does not include Power Supply

    posted by tz2026

    Huge capacity for the size/weight. For the few things I need to use it with, it doesn't add much size, but they will run a very long time.Can provide a wide range of voltages.Charges reasonably quickly for the capacity, and indication is clear.

    Wide range of adaptors.
    I would rate it higher if it included the AC adapter as pictured here (but not in the accompanying documentation). Even higher if it also had a car adapter. It also doesn't give a range around 18v/750ma so I don't know if my 19.5v laptop adapter would be safe, or if my 16.5v would work.

    The "voltage range" typically will mean, except for 5v (usb) devices, that it will be pack->adapter->device instead of pack->device. I don't know how they could keep it small yet allow finer setting of the voltage, but that is the only real technical complaint I have with it.
    As a USB charger, (if you have an 18v power supply available) I don't think there is any better pack for the money (under $10/1Ah). And the capacity is enough to run things for hours. They should include the recharger.

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