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Hi,

I'm putting together a shopping list of parts for my second robot but I come from a programming background and my electronics knowledge is still in its infancy, so I'm not sure how to work out what batteries I need.

In my last robot I was able to power two lego motors and my Arduino from 8 x AA rechargeable batteries; but this was simply because the lego battery pack came in that configuration and I tried pluggin it into the Arduino and luckily it worked.

I'm now leaving the lego behind and want to run two of these motors: