[scarletboa]

i have a 4s 5000mah 45c pack and so far and i am impressed to say the least. in my overgeared (50-55mph) truggy, my 30c packs can get quite toasty and the nano-tech pack only gets a little warm and has crazy punch. i killed a rear diff in my crt-x2 during my first run with the new pack without torque control. the punch difference is immediately noticeable.

the only problem i have seen with my nano-tech pack was during break-in. during the first few cycles, it was pretty out of balance. it was off as much as .2v the first cycle. each cycle has gotten less out of balance and now, it is only off .02-.03 at the most and it is still improving.

another thing i have noticed is all my other turnigy packs get a little spongy after use as soon as the 5th cycle and it slowly get worse each cycle until i would consider it puffed after use. the nano-tech pack has about 10 cycles and no signs of being spongy.