Raspberry-Pi-B-2A-5V-Power-Supply-with-micro-USB (Universal Serial Bus)-Stontronics-T5661RW-The-Stontronics-5V-2A-micro-USB (Universal Serial Bus)-power-supply-allows-you-to-make-the-most-of-your-Raspberry-Pi-B-with-twice-the-power-of-a-standard-Raspberry-Pi-PSU-One-of-the-key-evolutions-of-the-B-was-the-redesigned-power-system-&-another-was-the-upgrade-to-four-USB (Universal Serial Bus)-sockets-The-first-means-the-Pi-can-handle-more-power-&-the-second-means-that-it-needs-it-Help-banish-brown-outs-from-your-Pi-experience-Stontronics-T5661RW-Raspberry