lipo batteries

[Adam83lisa82]

Hi guys.
firstly thankyou to the guys we spoke to at the autumn meet last sunday
myself and my brother were pleased that you were all happy to talk to us and suggest things do do and try for when we statt racing again.
but i have 1 more question.
is there certain lipo makes to avoid and ones get.
and would i be best going for 70c with big mAh as well
technically i know thats 2 questions
cheers again for making us feel welcome.
adam and mat