https://www.raspberrypi.com/products/micro-usb-power-supply/
The official and recommended micro USB power supply for all micro USB-powered Raspberry Pi computers
- 5.1V / 2.5A DC output
- 96-264Vac operating input range
- Short circuit and overcurrent protection
- 1.5m 18AWG captive cable with micro USB output connector
- Available in different variants to suit different international power sockets
https://datasheets.raspberrypi.com/power-supply/micro-usb-power-supply-product-brief.pdf
Obsolescence Statement
Raspberry Pi 12.5W Micro USB Power Supply will remain in production until at least January 2030