myself im a fan of the epic/trinity packs. ive been useing them all year and they have been great. i have not run with any smc packs but i do sell them at the store i work for. most like them and have no cpmplaints. i have had a couple come back that swelled up, but smc was more then willing to take care of them..
interms of batteries if you buy one from a company that has been around such as AE/Reedy, Epic/Trinity, SMC, Thunderpower, Team Checkpoint. those would all be good choices
TEAM GENESIS R/C, Yokomo BD7 2016 USGT, Yokomo BD7 2016 TC, FULL NELSON PAINT, K DUB GRAPHICS, PAINT BY MIKEY