A:AnswerAll accessories included are Samsung products.
This includes the charger port you plug the USB C-cable into, and the USB C cable itself.
Everything is Samsung branded.
A:AnswerHi alec33, we understand your concerns with the Charger. Please fill out the form below and one of our social media specialists would be happy to assist you. http://smsn.us/SamsungSupportUSA and we will respond accordingly. ^Britt
A:AnswerI leave my s9 on the charging pad all night pretty much every night and my phone has not given me any problems so I believe it will not harm your phone
A:AnswerHello Vap, I have attached a link below to compatible products.
https://www.samsung.com/us/mobile/mobile-accessories/phones/fast-charge-wireless-charging-convertible--black-ep-pg950tbegus-compatible
^Britt