Sorry if this is a dumb question, but I'm very new to the hobby. I upgraded my Slash to the Velineon 3500 setup and I am very happy with it. I am currently running 2s 5000 mah 20C Lipos along with my 7 cell the truck came with. I don't want to go 3s. What would be a good size battery to run to increase my run times? Also, can I use a Lipo rated higher than 20C? I'm just not sure what I can run or what would be best for the setup I have. Thanks in advance for your help.