0 for 2.  They both stopped working...
920802
I bought two of these, one for each kid.  About the time my opportunity to send them back had passed, they both simply stopped working.  Very frustrating.
4677856
Bought 2 and Both Failed After About 2 Months of Use
2927701
Stopped working after second use...I tried everything to get them to work again, but no luck.
1049492
Only one worked? Ordered two,it works good.what happened to the other one?said I would do that again,no trouble
1713926
Either they won't work or they'll quit on you pretty quickly. You'll end up buying something else when these stop working, so you might as well just pay the money for something else now.
1309824
I bought this 2/17, the first one didn't work. I returned it now that one no longer works either. I barely use this thing, a couple times a month. So, 2 out of 2 died. Hopefully, there's something else that is a little more dependable
1185530
I bought 2 of these, and one has completely stopped working!  I need to , hopefully, return it and get a different one or a refund.
2722892
bought two of them..  Neither of them worked.  Opened them, threw the box away, then found out they don't work.  So I guess I'm just out of luck.
465703
I bought 2 of these, 2 different times to give it a fair shot. Both stopped working in less than a month and a half. I use them everyday with this

https://smile.amazon.com/Anker-PowerCore-Fast-Charging-Perfectly-Smartphones/dp/B01EKXR67M/ref=pd_sim_147_5?_encoding=UTF8&psc=1&refRID=DQACMVGEVW5NTW9QMQMQ

These are absolutely not reliable, false advertisement.
4231092
I bought 2 of these. One worked and one did not.
4516809
Replaced both less than 6 months ago; Now one of them is not working.
1981864
Both ones I ordered didn't work that's probably why they was so cheap
2186542
both only worked for about 15 mins a piece and them stopped working completely.
3310902
Bought a set of 2.  After about 2 weeks the 2nd one didn't work. One works ok, the other doesnt at all. Had too much going on over the holidays to return in time.
3693061
I ordered 2.  Two arrived.  One worked, the other did not.
1616023
They worked for a bit, but then both of them died after like a month.
3866222
I've only been using them for about two weeks, and now only two are working and I figure they will quit at anytime. Rip off big time!!!