?After-sales service?If you have any questions about our car chargers, please feel free to contact us, we will reply you as soon as possible and provide you with the best solution. ?Product Parameters?Size 2.95in*1.58in*1.58in; net weight is 30g. Input parameters are 12V-32V, output parameters are QC3.0 ports (5V/7.0A,9V/1.8A,12V/1.8A), the total current is 7000mA. ?Fast Charging?One QC3.0 port + three 2.1A ports, 4 USB ports are designed to charge multiple USB devices such as mobile phones, tablets, and driving recorders at the same time. QC3.0 fast charging technology can quickly charge devices and is backward compatible with QC2.0. For devices to be charged that do not support fast charging, it can adaptively allocate a larger current to achieve fast charging. ?High Security?Built-in intelligent circuit design, intelligent shunt, can automatically power off, prevent overcharge, overheating, short circuit, and ensure the safety of circuits and equipment. ?Product Material?Made of PC fire retardant material, safe and reliable. The shell is made of high-brightness shell and oxidation treatment, which is beautiful and not easy to leave scratches. Equipped with LED lights, it is convenient to check the working condition and find the ports in the dark.