Ever needed your mobile to catch a pic or share something and just then your battery runs out. Recently I was checking out of the ones on eBay (see pic)  for portable or external mobile chargers and just realized I could make that ad started to build one. At the end I realized it wast so hard and it cost me around 10$ while the orginals were around 30$. And also looks quite like the one on ebay as in the pic.

In this tutorial Im going to show you how to build a simple portable mobile charger. This has a USB output so you can you can plug in various types of mobile phones. So you can stop searching for a charger and start sharing. More ever this is portable and can fit in ur pocket easily . This charger gives a constant output of 5v at 1amp. 

Step 1: Parts

1) LM7805
2)USB input pin
3)Rechargeable 9V battery
4)A case to get all of this in.
5)A switch
6)Power input pin (see the pic)
which of the 3 contacts are the wiring of the battery, two on left one on right? this type of batteries has 3 contacts, which two did you use? <br>great feat, thanks for sharing <br>
hey wheres the switch go in ? i think u 4got that 1 part?

About This Instructable


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Bio: Hey I'm a College school student, I love to work on projects and Arduino powers most of them. Follow me @ https://www.facebook.com ...
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