sorry to hear that, you have the worst luck with ebay it seems, it would be really hard not to be really pissed off when you asked and they straight up lied to you.
Maybe we should keep a database in the forum with bad ebay sellers………?
I have one on order from DX. If it ever gets here I'll let you know what it is.
spent a bit more time on that $3 purchase, and asked ebay.com to step in, since seller didn’t provide return shipping label (I got non-genuine tp4056 ICs), quote:
_“Since this is an international transaction, eBay cannot force the seller to pay for the return shipping of the item. The rules on the site are geared towards members located in the US since eBay.com is the US core site. In order to return for a full refund, you will need to pay for the shipping out of pocket and then upload the tracking number in the return request.
If the return shipping is more than expected, then I would recommend you continue working with the seller on a partial refund amount on the items.“_
That means ebay buyers protection isn’t worth anything anymore, before very recently when it was not as described you ALWAYS got you money back as long as you could prove it without having to send anything back EVER.
I think i will pay a little more if i find the same item on aliexpress now if i have to, because there it is at least still like that.
Cajampa, but it doesn’t sound like vex_zg is trying to do a SNAD claim.
Vex_zg, is it the seller that says you need to send it back or did you do a SNAD claim and ebay says it needs to be returned?
I agree, i have a sneaking suspicion of that also, they really hide that option well nowadays, before the resolution center was way more visible and easy to use.
I just filed a claim against a shoddy seller who sold me a flashlight lens that looked nothing like the listing pictures, when i didn’t get a response on the return/refund section of the resolution center i tried to get ebay to step in but couldn’t i only got error messages. But today i got my full refund from the seller 
it was only 2$ but it is the principle & i am still missing the part i thought i had bought 
Some sellers like to give you a hassle in hopes you’ll just go away. They know return shipping back to china with tracking is much more than a lot of items are worth.
Take a picture of the board you received showing the chip markings then send that to the seller along with a copy of the picture in their listing and quote the message you sent prior to sale asking if the item is as pictured. Tell them refund or neg feedback.
What would happen if the official government of Shenzhen City would be notified of this rubbish?
Official Shenzhen Government Online site http://english.sz.gov.cn/
Official Shenzhen Municipal Government Hotlines http://english.sz.gov.cn/ga/200510/t20051012_1092400.htm
On the Hotlines page do not overlook the three links of Hotlines on the left.
Remember - these businesses may be supposedly government owned and one would need to save face one might think.
All the above are in English.
50 for crazy price
Just turned in a request at fasttech for them to carry both the Micro USB charging one…AND the ones w/ the battery protection built on the boards (found a 2x lot at aliexpress for $2.25)
Bought 5pc lot for $2.71 here: 5PCS 5V Micro USB 1A 18650 Lithium Battery Charging Board Charger Module | eBay. They come with Tpower chips which supposed to be decent. Came to EU in 2-3 weeks.
Has anyone done a test on “TPOWER” marked chips?
HKJ has only tested the NanJing Top Power chip (with logo).
I have used one of those with battery protection for a couple of months, and i have been very satisfied.
But today i accidentally connected a 10440 in backwards and in some hour it sucked my poor little 10440 down to 0,8v when i realized what i had done i disconnected it & it rather quickly recovered to 2.75v & then i started to charge it to see if it was recoverable, but after a bunch of hours on the charger it only got up to 3.08v so i will recycle it.
It doesn’t beak the charger to connect it wrong but it can discharge the battery low enough to break it if you don’t catch it in time
Yuck…high current reverse polarity drain…ewwww
Definitely need HKJ to review those ASAP!
Any idea the max current that can flow thru the battery protect IC…real world measurements?
Yeah i was surprised, if it wouldn’t have this weakness it would be perfect for a cheap robust charger board that have at least some foolproofness in built.
Sorry i can’t give any insight on the battery protect IC, I really don’t understand the circuit well enough to know how to measure it, best to leave that up to HKJ.
There is a rather extensive youtube review of this board, but i don’t remember how i found it……
I have good news & bad news……
It seems i was wrong, the reason i couldn’t charge up the 10440 i though was killed, was the “with protection usb board” was broken.
I tried to charge another 10440 today & found that it didn’t charge at all anymore. So i reflowed another board for 10440 charging and now even the supposedly broken 10440 is charging fine, i have charged it up right now to 4v before i started it had recovered to 3.35v, i don’t know if it will get up to 4.2v in reasonable time & hold a charge yet, that will take some more time to figure out.
Last time i used a 10k ohm sense resistor but that would take forever so this time i used a 5,6k ohm for (i believe, someone with better math skills please correct me if i am wrong ;)) ~235mA charging, that is a much more reasonable speed, still safe but in almost half the time.
I must have killed the first board when i left it connected the wrong way for a longer time last time, the reason i make that distinction is i know i have quickly accidentally connected it wrong before, for just a second or 2 but that didn’t beak it.
More bad news the second USB charger board with protection is only charging up to 4.10-4.11v……… and i thought 4.18-4.19v was bad as low as 4.10v is sad on a tiny 10440 battery when the Vf on the XP-L can be up to 3.8-3.9v, that means it start out dim and only getting dimmer & i usually switch battery before it comes to 3.75v rested.
I will try to reflow the other main component from the now dead board that was at least charging to 4.19v i hope that component still works, if it doesn’t that would at least explain what broke so win win. I need to order some more of these now anyway.
Potentially dumb question: can two of these chargers be used in parallel to charge a single-cell more quickly? I know there are single boards with dual Tp4056.
Yes they can. But it should be powered by only one usb power supply. Two power supplies might not play well together.