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ipad 4 black

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ipad 4 black Customers Reviews

  • Excellent product for that price

    posted by theseven

    - Cheap- 2A output- PCB contains battery protection circuitry (deep discharge, overcharge, short circuit)- Bypass diode from input to output- Step-Up converter efficiency of 70-80%- Trickle charges deep discharged batteries- Doesn't start charging if battery voltage is above ~4.15V- Fuel gauge isn't all the way off (but tends to be a bit too optimistic)
    Some data points:- PCB looks like the 2A output version, bottom picture here: http://i1138.photobucket.com/albums/n525/yulunyan/55.jpg- Battery charge completion: 4.20V- Powered off battery discharge current: 0.5mA- Powered on (idle) battery discharge current: 4.6mA (including LED)- USB output voltage (idle): 5.21V- USB output voltage (3.55V battery, 1.63A load): 4.57V (efficiency at this point: ~72%)- USB output voltage (4.1V battery, 1.75A load): 5.16V- USB output voltage (4.1V battery, 1.95A load): 4.61V
    Awesome product for that price, apparently well-engineered electronics.I'm really curious what that jumper on the PCB is good for.
  • Goo but bee cafule!

    posted by spcleha

    The build quality is excellent. Packaged in a pleasant box in the form of the pyramid :) the Material is good. Sucker - SUPER Reliable!
    Use very carefully! or You crash the display glass!!!
    Good but danger! BUT CAUTION BE EXTREMELY CAREFUL!!!!! Use very carefully! or else lose your phone :)
  • Works perfectly

    posted by RahzaDream

    -Much better value than similar products being offered that accomplish the same thing-LED on top to indicate connected status-No external power needed! Is powered by the iPod/iPhone dock port on whatever it is plugged into.-Great Bluetooth audio quality, did not notice any quality loss-Good range, was able to get 30ft away from the unit before signal began to degrade.
    Great for adding A2DP bluetooth audio to those old iPod speaker docks. Breathes new life into them by making them wirelss & universal (android phones can use them now!)
    Will likely be buying more for my other old speaker docks.. Now you don't have to throw these away or sell them!
  • Really simple

    posted by Marilis

    Really simple to use, if you have a micro SIM and needs to use in a phone that only fits the regular SIM, you need to have one of this. It really works as described and fits perfeclty on a regular cel phone.
    Really small, so if you do not use it all the time, consider thinkg of some small box to keep it to save from possible damages also.
    NA
  • Fun and Useful Gadget

    posted by monsieurtoh

    This product has good design and build quality. It can be easily setup and can take good macro and wide angle (more like fish eye) photos on my Samsung Galaxy S3.
    Personally I'm quite OCD so the need to constantly readjust the lens in order to get it centralized with the camera lens is quite annoying. If you're like me then it might be better to simply get the magnetic ones.
    It's not exactly cheap, but definitely cheaper than most of the alternatives out there. If you like playing with your phone camera this is definitely a good buy. If you know someone like that then they make good gifts too!

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