cant remember who told me this but i was told that with lipo you only need half the amps that your motor will put out for the pack like if the motor pulls 70amps then you need a pack that can take 35. ill try and find the post were i was told that
found it :You don't. My 8L was rated at ~80amps, and the batteries were 40amps continuous, and were fine. The motor's amp rating really doesn't mean anything. To be on the safe side, you would really only need something with 45-50amps continuous.:
metal man said that here
http://www.rc-monster.com/forum/show...&threadid=1618
its like the 10th post down