STEP UP DC-
5V DC regulated output from as low as 0.9v input
Current up to 300mA from single AA battery and up to 600mA from 2x AA battery input with 95% efficiency.
LED indicator on board
This module will bring USB voltage required for your application at regulated 5V output.
Best for Various USB devices which need 5V from low voltage batteries.
Charge mobile phone/MP4/MP3 from AA battery when travelling