B+ is the positive batter, B- is the negative battery negative
Notes: polarity should be connect correctly, or ban the chip.
Parameter:
1. Input USB model; Micro USB (support protocol fast charge input)
Type-C (also support protocol fast charge input)
2, input voltage; 5-12V (fast charge protocol automatically adjusts the voltage)
3, charging current; 3100mah (fast charge protocol automatically adjusts the current)
4, charging method; automatic adaptation
5, output 1 USB fast charge mother
6, the output voltage is; 5V-12V ± 0.3V (fast charge protocol automatically adjusts the voltage)
7, the output USB rated current is; 3.1A (fast charge protocol automatically adjusts the current)
5V3.1A/9V2.0A/12V1.5A
PCB board size: 67 * 32 * 10.5mm