Originally Posted by burnineyes

I have not personally used those batteries, but I bet you will regret it. For running in grass you use alot of current from a battery, and I dont think 10C Nimh can take it very long. I have used several cheap no name batteries, some I had good luck and some I trashed within a few runs.

For a cheap pack these have treated me well. They have the same 10C rating, but I have used these pretty hard with no failures.
http://www.batteryspace.com/nimhbatt...2amprated.aspx