DC Power Supply adapter 21x55/17x40
5521 female to 4017 male power conversion plug 5.5*2.1 female to 4.0*1.7 male
The size of the female seat is 5.5mm*2.1mm, which can be inserted into the male head of 5.5mm*2.1mm and 5.5mm*2.5mm.
The specification of the male is 4.0*1.7mm, which is commonly used in PSP game consoles.
