Note: The battery capacity set for this product is 20000mA.If you need to increase the battery capacity, replace the R8 resistor. Model: QC4+PD3.0 Switch: Charging current up to 5A, efficiency up to 95% Support 4.2/4.35/4.4/4.5V battery type Support JEITA specification Support temperature loop control Synchronous boost: Output power up to 22.5W, efficiency up to 95% Automatic load detection/light load detection Support wireless charging mode Support low current mode Output fast charging protocol: Support PPS/PD3.0/PD2.0 Support QC4+/QC4/QC3.0/QC2.0 Support Support Support SCP Support PE2.0/PE1.1 Support SFCP Support VOOC Enter the fast charging protocol: Support PD3.0/PD2.0 Support Support Support SCP Support PE1.1 color:Black Material:PCB+metal Package Contents: 1 bank module Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm. Protection mechanism: input overvoltage protection, output overcurrent/short circuit protection, charging timeout/overvoltage protection, temperature protection Type-c interface: built-in USB Type-C interface logic, supporting Try function BC1.2 module: supports BC1.2DCP mode and for / mode Electricity metering and display: built-in 12 bit ADC; Precise electricity quantity of built-in coulometer For interface decryption: built-in for interface decryption function