ITEM NAME:3.2V 3.7V 4.2V Step-Up 5V 9V 12V QC Fast Charge Single Battery Boost Module Product Description Description: Single Lithium Battery Boost Module Mobile Phone QC Fast Charging 3.2V 3.7V 4.2V Step-Up 5V 9V 12V Cell Power Board Feature: 1. Support FCP voltage and current output protocol. 2. Support Qualcomm QC2.0/3.0 classA 5V, 9V, 12V voltage output. 3. Automatically recognize FCP and QC2.0/3.0 fast charge protocol. 4. Support the protocol equipment of Chinese telecom enterprise YD/T 1591. Specification: Main Control Chip: TPS61088A Identification Chip: FP6601Q Input Voltage: DC 2.8-4.5V Output Voltage: Default 5V(After triggering fast charge, it is between 4.5V~12V according to the agreement.) Output Current: 5V3A, 9V2A, 12V2A. (Adaptive Output Current) Output Power: Maximum 24W Support Protocol: QC2.0, QC3.0, for Huawei FCP, DCP Protocol Product Size: 42 X 11 X 7mm/1.65 X 0.43 X 0.28" Application: This module can be applied to a single-cell lithium battery for general digital product charging, such as mobile phones, for iPad, MP3, PSP and so on. Connect the battery to become a power bank. It is also possible to supply power to the 5-12V product by setting the output voltage. Warm Tip: 1. The module does not have reverse connection protection, remember not to connect the wrong polarity of the input. 2. The input voltage range is 2.8~4.5V, 5V input is not allowed. 3. The lithium battery must be equipped with a protection board, and the protection board has a continuous current of at least 5A. 4. This module can be.Included: 1 X Battery Boost Module. Output Current: 5V3A, 9V2A, 12V2A. (Adaptive Output Current). The lithium battery must be equipped with a protection board, and the protection board has a continuous current of at least 5A.