About this item

• The power bank board supports PD QC protocol, supports input and output fast charging, output 5V3A, 9V2A, 121.5A.

• The mobile power board has five input and output ports, all of which are protected by MOS tubes for greater safety.

• The use of high-efficiency chips, PCB layout is reasonable, improve the efficiency of charging and discharging

• Over-charging, over-current, short-circuit and temperature protection. Easy to use, perfect for DIY power bank

• This module is a portable backup power supply supports 4.2V 18650 lithium battery, polymer lithium battery, ternary lithium battery and multiple 18650 lithium batteries in parallel. See details for battery capacity settings.