USB Port to 5.5mm / 2.1mm 5V DC Barrel Jack Power ... – Grandado Nickel-plated material ensures good electrical conductivity and corrosion resistance. Used for external power supply and on-board transformer Great replacement for broken adapters. DC Power Adapter Kit Aazon.co: Uxcell 8pcs 5.5 X 2.1 Right Angle Jack Converter Barrel Nickel Plated DC Plug Nickel-plated material ensures good electrical conductivity and corrosion resistance. Universal Laptop DC Power Adapter Kit Nickel-plated material ensures good electrical conductivity and corrosion resistance Description:It is a Universal Laptop connector for external power supply and on-board transformer. 4 Way Splitter DC Power Supply Extension Cable | New | £2.00 | Wolverhampton, England NOTE: Please check the connector dimension you need before placing the order