12V USB C to DC 5.5 x 2.1mm Converter,90 Degree DC 5.5 x 2.1mm Male to USB C Female PD Emulator Trigger Adapter,for Camera, Router，LED Light（4-Pack）

that is precisely the battery I'm using here is the converter I use - USB C on the battery side, and regular DC cable on the other https://a.co/d/0g6r0J2S