Features 1、Support for QC2.0/QC3.0/MTK PE1.1/PE2.0/Apple/Samsung AFC/Huawei FCP/Spreadtrum SFCP 2、Built‑in synchronous switch step‑down converter chip, conversion efficiency up to 97%, output voltage wired compensation function 3、The output voltage range is 3V to 12V, which can be automatically adjusted according to the fast charge protocol 4、With output over‑current, input over‑voltage, input under‑voltage, output short‑circuit protection, over‑temperature protection of the whole machine 5、Can be used in a variety of scenarios, such as car chargers, fast charge adapters, smart plugs, solar chargers Specification Item Type: DC Buck Converter Output Power: Maximum 24W (5V@3.4A，9V@2.5A，12V@2A, etc.) Conversion Efficiency: 90%-97% For BC1.2/ Apple/ Samsung Protocol: Support For Qualcomm QC2.0/ QC3.0: Support For MTKPE1.1/PE2.0: Support For Huawei Fast Charge Protocol FCP: Support For Samsung Fast Charge Protocol AFC: Support For Spreadtrum Fast Charge Protocol SFCP: Support Package List 1 x DC Buck Converter Module