Some time ago I ordered an "OEM battery" for my Oneplus 5t. But there were some problems: 1. The package took more than 3 months to arrive (but it was stated that delivery time will be no more than 30 days). 2. New battery is about 0.5 mm thicker than the original one. And it makes it impossible to install into a phone. I even couldn't connect the flex cable which should go above the battery. 3. And now, when I asked for refund (and attached clear photos of a problem), they say that "thickness of batteries may vary", "maybe you installed it wrong", etc. Also they tried to know IMEI number of my phone, which is unsafe to disclose. Conclusion. Avoid this site. It sells non-OEM products as OEM, shipping costs a lot and is very slow, and when there is something wrong with the items, you will never get a refund.