DC 5.5*2.1mm Female to 3Pin Laptop Power Cable Plug Adapter Converter for Razer
£5.75
The power of your female laptop adapter should be not lower than the laptop for Razer's input. This is very important. For example, the input of your laptop for Razer is 19.5V 11.8A 230W, then your female adapter should be not lower than 230W.
