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Mabuhay! This instructable is a simple, portable and easy to use device. It is portable because I want my stuffs to be "on the go" anytime and anywhere -- especially during long travel and blackouts. It is a charger made for any kind of device or gadget that re-charges using USB charger like Apple iPod and Motorola and other phones. I don't have great knowledge in electronics so I made one without using capacitors, resistors and etc. Hope you like it.

Step 1: Materials Needed

Check out the photos.

The USB receptacle I used came from our broken CPU.

Step 2: Create a Housing/casing

Step 3: Test It

Check if it is connected properly and gives out as much as possible 5V, enough to charge cellphones and mp3 players.

I used 4 pcs. 1.2 V rechargeable batteries, for a total of 4.8V

See photos.

Step 4: Create Cover

Made of 1.5mm and 3mm sintra board.

See photos for details.
would you mind sending me the circuit diagram. <br>rameezkoya007@gmail.com
Hi! nice hardware work, but dont think it will be reliable as when the batteries start to discharge they will reach 1.1 volts giving a total of 4.4 volts which is below usb standard voltage.. My recommendation is to use 5 rechargeable batteries with 5Volt low drop out regulator that can regulate at 5.5 volts input (5.5/5 = 1.1Volt/cell)<br><br>Also 1.2v rechargeable batteries are charged at 1.4 volts per cell, which gives 5.6 volts for 4 cells which is above the USB standard.<br><br>Hope the above adds value to your design.<br><br>Keep the Good Work coming ;)
Hi thanks to all your comments!<br><br>I'm not really good at electronics, i just try it out with 4 batteries.<br>Your suggestion is noted and I'm considering it when I &quot;edit&quot; my ible in the future..<br>Kinda busy with my studies now. :D<br><br>Thanks again!
I made one also out of a Lego battery thing for a robot lego monkey. <br>it used 6 AA batteries at first, but then I soldered a few wires and a diode and a switch (to change the current flow in case the voltage goes too high). and i just tested it out as I am testing this and it works!!!
I tried this with my ipod touch 2nd generation and... <br> <br>Nothing Happened! <br> <br>I heard somewhere that you need to put resistance to the data pins or something? <br> <br>I don't understand
on the usb port try touching the data pins together <br> <br>(the data pins are the D+ AND D-)
or you could put a 100K ohm resistor on each resistor and have them connected to hot. <br> <br>the main voltage has to be between 4.8 and 5.2 volts
yea i know that but i did this becouse i din't have a 100k ohm resistor so i just touched them and it works!
Thats cool<br><br>Havent tried that yet<br><br>Thanks
i think ist better if you put a blocking diode between the positive leg of the battery pack and the usb connector<br><br>you can fing blocking diodes inside old wall adaptors,just use your soldering iron to desolder one diode<br><br>and also make sure that the white mark on the diode it whe &quot;away&quot; which meens that the white mark will be connected to the usb connector<br><br>HOPE I HELP AND ALSO<br><br>GREAT INSTRUCTABLE ;)
Cool! What an awesome idea!
thanks! =)

About This Instructable

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Bio: civil engineering student
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