Simple USB Altoids AA Charger!





Introduction: Simple USB Altoids AA Charger!

Today I am going to show you guys how to build a 4x AA charger that works very well on any USB device. I have noticed that it can charge as fast as a wall charger, maybe even faster!
This tutorial is perfect to do if you are a beginner and want to learn how to solder!

Step 1: Parts

Here is what you will need, I have included the radio shack part numbers for some parts.

- 4 x AA Battery Holder #: 270-391 ($1)

- 1.2V/2000mAh AA Ni-MH Rechargeable Batteries #: 23-525 ($20)
You need 4 of these, the part number is for only a 2 pack, you can find them cheaper like $4 for two sometimes.

- AA battery charger ( there are many kinds at radioshack and elsewhere)

- Soldering iron #: 64-2051 ($8)

-USB extension cable ($1)

That's all, lets get started!

Step 2: Putting the Holder In.

This part is a little tough to do, the AA battery holder barely fits and it makes the tin stretch out a little. Look at the picture for help.

Put the bottom side in first and then pop in the top

Step 3: Soldering the Wires.

First you need to cut the extension cable about where I did and remove the shielding then cut back the wires that aren't black and red.
Now you need to solder the red from the holder to the red on the usb extension cable. Then the black wire to the black on the Extension cable.
Here is a helpful diagram ( I am not good at making these)

Step 4: Your Done!

After you charged your batteries up put them in and you made your own AA charger that outputs around 5 volts!



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    where do i find a female cord

    Using male and female is so sexist... Just kidding! Great ible really simple others aren't so simple. Have you tested it though?

    how can i get this to work with my itouch? i see a comment talking about connecting something in the female usb port, but can anybody give more detailed info please?

    You need to put a 100 ohm resistor between the middle two pins on the USB port, They are the data pins, it makes the device believe it is plugged into a wall charger.

    instead of getting the a male to a female or whatever if you get the a male to a male( you can use the other end to build another one.

    It would have to be a female to female. not a male to male. The part that you put inside the altoid tin needs to be the receiving end of the usb cable.

    Is this safe for expensive cell phone equipment? I looks really cool and easy. Almost too cool and easy to be safe ;-)

    It is safe, 4 AA rechargeables equal 5 volts to make sure test it with a multimeter

    I have built a usb charger based on these instructions. I have tried it with both 4 AA and 4 AAAA batteries, but the outcome has been the same. When I connect it to my iPod or Zune, nothing happens. However, when I connect it to a flash drive, the light turns on, so the circuit works but something else is wrong. Do you have any ideas on what I can do? (P.S. it is set up in a series circuit, not parallel). Thanks.

    What you want to do is connect the middle to pins of the Female usb together, this tricks the ipod into thinking that it is a legite apple charger.