Lithium Ion installation

[bengali548]

hey i wanted to install a lithium ion into my xmod but i have a couple questions first

1) do i need a FET upgrade and if so is it hard and expensive

2) okay im buying this motor would my board be fried if i installed the liths

http://cgi.ebay.com/ws/eBayISAPI.dll...e=STRK:MEWN:IT

3) is there a way to use my 5 cell set up and put in like one lith 3 dummy batteries and a triple aaa (which equals 5) or am i going over the 8.4 v limit.

any help would be appreciated.

p.s. to all the people who are getting ready to post why didnt you search for this topic first all i have to say is SORRY IT'S 12:00 AM IN THE FREAKING MORNING and i searched but im new to xmods so i dont really know if what i was looking at was the answer to mmy question

thanks once again