The PD3.1 protocol supports a maximum fast charging output of 140w, that is, the maximum output parameter is 28V5A.The IP2366 bidirectional buck-boost module is mainly used to connect lithium batteries.There is a toggle switch on the circuit board, which can switch the battery voltage of different strings without loss..Product usage: The product can be connected to a 2S/3S/4S/5S/6S lithium battery pack, with a 5.5 x 2.5mm DC connection port at the tail. The battery pack can be directly…