Mini PFM Control DC-DC 0.9V-5V to USB 5V DC Boost Step-up Power Supply Module.
Any DC voltage input 0.9V ~ 5V, output 5V DC voltage can be stable, with two AA batteries input to the output current of 500 ~ 600MA, single AA battery power supply output current about 200MA Onboard USB female, can supply power directly to the USB interface On-board input voltage indicator High conversion efficiency, maximum to 96% Small
Applications: DIY a mobile power supply, only need one battery, you can output 5V voltage for your phone, MP3, MP4, PSP charger, very easy.
In order to power your electronic devices when your device needs 5V power supply, when you only have lithium battery, this module can be directly step-up to 5V, solve your problems.
Input voltage: 0.9-5V DC
Output voltage: 5V DC
Package Content: 2X Module
Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.