Official microUSB Power Supply Unit for Raspberry Pi 3 Model B
This Pi Foundation approved power supply unit (PSU) for the Pi 3, is available at RS in both black (RS 909-8135) and white (RS 909-8126) colours. The power supply is an integrated cable and microUSB plug. There are also four interchangeable mains adaptors — you can use the PSU in the UK, Europe, Australia and the United States.