Avantgarde Electronics Ultra Slim 10000mAh Dual USB Power Bank with LED flashlight for Smartphones

So, I ordered two of these, and they worked fine, and seem to hold a decent enough amount of energy. To turn on the flashlight, just double-click the power button (took me a minute to figure that out...). Since the first two worked fine, I decided to immediately order a third. That one, unfortunately, was dead on arrival.The result of my investigation was that I found out that the negative wire that connects the lithium polymer pouch cell to the PCB broke off the pad on the PCB due to a cold solder joint. I also found that the inductor core broke as well. When I soldered the battery connection back on and bent the inductor back into roughly the right place, it worked fine after that. But, what a journey to that point!When I peeled off the sticker that covers up the screws that hold the front cover on, I discovered that one of the screws was already stripped! It was as if someone tried to take it apart again after realizing it doesn't work, stripped the screw, decided "eh, whatever," and then just put the sticker on and sent it out!I wound up having to-- as carefully as possible-- pull the cover off the screw to gain access to the PCB. During reassembly, I had to bend it back into roughly the correct shape with pliers to get it to fit again. I still couldn't get the stripped screw out, even by gripping and twisting it with needle-nose pliers, so I opted to just break off the head and rely on the newly-formed tool burrs on that end of the cover to hold that end in place.Overall, you get what you pay for.

I like this slim design since I'm always traveling. This will charge my iPhone 6 about 2.5x. I usually just need it for a single full charge and I'll use the remaining battery life to charge other items like my ecig battery or iPad. It also has a flashlight which I think is great for emergency purposes.

The connection is loose, which is a concern - but so far it does take and deliver a good charge. I'm hopeful that it continues to do so and I won't have to invoke the warranty -- but if I do, maybe I got what I paid for.

Very convenient andlots of power

Useful to keep phone charged

I sent back the one I purchased. I think it was faulty as I could not get it to charge. I did not reorder another one.

Very poor quality. The power button is badly designed and indents into the main body - impossible to turn on/off.

I've charged this device 4 hours straight and it its only been halfway charged and after I unplugged it then charged my phone my battery charged only 1 percent in 5 minutes. I might have received a defective product. I normally never have problems with orders from Amazon, this is the first one I'm not happy with.