They work, but they’re cheaply made and a bit on the loud side.
Are these regular speed, or fast charging?
They don’t work.
Please note that while these are Qi-compatible wireless chargers, they are not the “fast” version, so if you have a phone like a later model Samsung Galaxy they will only charge at standard speed.
How can you tell? The output for these is only around 3.6-6v, whereas a Fast or Quick Charge (QC2 or QC3) version will have a voltage of 9-12v.
I bought two of these EXACT chargers. They get VERY hot and they take a LONG time to charge even as a “non-fast” version. Mine haven’t melted but they have come close. Reference these review pics from others that have had theirs melt:
https://www.amazon.com/Wireless-Charger-Samsung-Qi-Enabled-Certified/dp/B077ZLHG9Y/ref=sr_1_6?s=wireless&rps=1&ie=UTF8&qid=1545657769&sr=1-6&keywords=wireless+charger&refinements=p_85%3A2470955011#customerReviews
I pulled mine - don’t want to chance burning my phone on the charger. Amazon is littered with this (and other exact variations branded differently) showing failures. I am quite shocked they allow these to ship out.
Pretty rough reviews on Amazon. Not sure I’d want to risk an expensive phone on something with this track record.
The cord is very short - as in it has to be inches from the plug. One of the two I got was defective. Very poor quality. I’m surprised they’re still being offered.
I bought these. They work fine on my LG G6. They are too bright for the bedroom, though. I got some other cheapies (triangular black ones) with a very dim LED that work well for bedside.
Given their thermal propensities, they would be better put to use as coasters for your coffee mugs.
Danger Will Robinson… Danger…!
WARNING!! THESE ARE A FIRE HAZARD! Ours overheated and started smoldering leaving behind a scorched charger and ruined phone. Woot knows of the problem as i emailed them the pics. If you are planning on giving these as gifts, don’t - unless you are also gifting house insurance to go with it. I have pics still if anyone needs proof. Woot is completely derelict in their duties by continuing to sell this item
You are correct. Ours overheated leaving a smoldering and charred charger and a ruined phone
The cord is only 10" long so it is useless. One of the chargers came out of the box in pieces, though I was able to put it back together. They both seem to work, but do heat up. After reading some other reviews I am hesitant to use these as some others have had them to melt down.