a123 charging and balancing.?

[jokerjustin]

ive been looking at these packs for a while now. my dad works at a plumbing and electrical distributor so i can get these packs for a discount... i have a ice charger and a astro blinky balencer... i want to run these packs in a 16.8 config or somthing similar to that voltage... do i need a diffrent charger or balancer?? this is going to be run in a 9xl revo with a mm. i dont need super long runtimes but would like at least 30-40 minutes. anyother comments are welcome!! i need to learn as much as i can about these batterys.