MakerBright&trade; 5.25v 2.4A (12.6W) MicroUSB Switching Power Supply w/48" Cord Ideal for Raspberry Pi B+ / 2 / 3 / Zero Ideal for Raspberry Pi 3 Model B or previous generation Raspberry Pi Extremely high efficiency (up to 90%) Close output regulation ensures precise 5VDC output No-load voltage regulation within 3% of rated output Output voltage/capacity: 5.25V; 2.4A