Originally Posted by
yyhayyim
the best packs I've tested with the most run time and power/performance are Trackpower 4900 25C and SMC5000 28Cpacks. The Trackpower 4900 works on the Losi. SMC5000- I've seen several posts from people stating they do fit in the Type R...but I myself have not tried fitting them.
CORE5000 packs fit perfect as well
CORE5000 are a perfect fit!