Stontronics 13W Plug-In AC/DC Adapter 5.1V dc Output, 2.5A Output

The Stontronics power supply unit for the Raspberry Pi has a regulated output voltage of 5.1VDC. It supports numerous applications due to a wide range of input (90-264VAC) that complies with the universal standard. This mains power supply has a 1.5m cable and a micro USB plug. It has 2 interchangeable plugs so you can use it in the UK and Europe.
Note:
The Official Pi 3 power supply unit is for the Pi 3 board only. The power supply unit is not for any general-purpose power supply.

Nominal output power is 13W
short-circuit
Over-current and over-voltage protection
Low standby current consumption
Class II double insulated
ERP level 6 efficiency rating
Nominal load current is 2.5A
50,000 hour MTBF