Standard Micro USB power charger supply enough power to the Raspberry Pi unit US plug charger
Compatibility-Power Charger Work With all Version of Raspberry Pi 2 Model B & Raspberry Pi Zero & Raspberry Pi Model A A+ Model B B+
Recharge very quickly for raspberry pi and USB device,Portable to carry.
Low Noise More Stability Reliability ,Consistent fixed switching voltage
Input Voltage AC 100-240V 50/60Hz Output DC 5.0V 2500mA (2.5A)