Dc-Dc converter

I want to power a set of 5 servos from my Arduino mega with a sensor shield attached. I have been using a 7.2V NiMH 3000mah pack, but found a 12Volt 3000mah NiMH Pitsco battery pack.Can anyone recommend a dc-dc converter that I could use to lower the voltage and use the batteries safely?

You may want to re write the question as there appears to be part missing.

windu34: I have been using a 7.2V NiMH 3000mah pack, but found a .............. Can anyone recommend ........

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When you edit your post and make a noticeable change, please note the correction in the post so the following post makes sense.

There are many eBay specials that will do as you want. DX also have plenty. Just look for one that will handle the current you require.

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