2A 3V INPUT 5 9V USB OUTPUT CHARGER STEP UP BOOST IN INDIA

Hello Thank you for visiting....and welcome to India's best online solar shop...here you can buy the latest, unique, high quality gadgets from the comforts of your  home at reasonable prices... This offer is for 1 unit of a 3V input to 5V USB output circuit.... APPLICATIONS: DIY portable power supply.This module + A lithium or 2-3 NiMH battery,can make a 5V power supply for your Phone/MP3/MP4/PDA/PSP etc. Adjust the voltage.Regulated Power Supply.When your power supply is unstable, or you need a 5V power supply, can use this module DIY. When input connect phone battery for use,please use a few pieces battery