XO-CC52Input: DC12-24V   Output port: USB1: DC:5V3A/9V2A/12V1.5A(18W)            USB2:  DC:5V3A/9V2A/12V1.5A(18W)Total output: USB 1+USB2: 18W+18W Main control chip and protocol chip: Hengcheng Micro HC2835QCMaterial: AlloySize: length * diameter: 62.5 * 25.4 * 25.4mm, weight: 16±1gAgreement:USB1 port: support QC2.0 QC3.0 Samsung-5V-2A Samsung-AFC-9V AFC FCP BC1.2 DCP Apple2.4A and other protocolsUSB2 port: support QC2.0 QC3.0 Samsung-5V-2A Samsung-AFC-9V AFC FCP BC1.2 DCP Apple2.4A and other protocols dual QC3.0 18W+18W=36W