Support up to 100W input or output usb port support 22.5W fast charging Power supply 12 ~ 16.8V, with voltage protection, temperature protection, thermistor probe, with current and voltage display, key switching function, using solid state capacitors, high-power pure copper wirewound inductor, thickened PCB circuit board, the default setting of 4 series, can change 2 ~ 5s series, contact customer service chat two-way lift function, input 5V-20V can be, the maximum of 100W, pps5 ~ 20V since the Adaptive Combination of battery precautions: battery voltage, internal resistance, capacity to be paired, battery voltage in the combination of 3.7V or so, do not higher than 4V to combine ( not be activated), just combined with no output with a 16.8V voltage charging activation can be (pass a power on it). Material: Plastic + Metal Color: As shown Package Contents: 1 x Motherboard 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.