I have had the same packs for a yr now and only slightly higher IR than new (so my thunderpower charger says) and 0 puff with over 300 cycles to 70%....
the new 7500 packs r 20g heavier tho ... be warned
wish I could still get the 7200s fresh
Justin & Matt Lyons
Sponsored by awesomatix, EA motorsports, sanwa, Protoform, Avid, and Gravity Rc!
a800s sanwa m12s, EAM motors/batteries