Product details

PFM Control DC-DC 0.9V-5V To USB 5V Boost Step Up Power Supply Module

Mini PFM Control
On-board LED input voltage indicator
High conversion efficiency, maximum to 96%
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
On-board USB female, can supply power directly to the USB interface
Small dimension

Specification:

Input voltage: 0.9 – 5V DC
Output voltage: 5V DC
PCB size: 34mm x 16.2mm

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.

Package included: