This small affordable DC-DC convert gives the regulated 5V from a wide range of input voltage and has a minimum loss of power. Also it comes with a USB output connector for an easy DIY power bank implementation, as you see on the pictures. I recommend it for anyone who has minimum electronic skills and want to make your own power bank.
Description: 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.
Specification: 1 Mini PFM Control 2 On-board input voltage indicator 3 High conversion efficiency, maximum to 96pct 4 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 5 On-board USB female, can supply power directly to the USB interface 6 Input voltage: 0.9 - 5V DC 7 Output voltage: 5V DC 8 PCB size: 34mm x 16.2mm
Dimensions and Weight
Product weight: 0.0080 kg Package weight: 0.0012 kg