Only 3 chargers that I'm aware of that handle 8S ansd higher cell counts -

iCharger 208b, iCharger 3010b and the FMA Powerlab 8. All can be found here -

http://www.progressiverc.com/index.p..._id=1&Itemid=1



You'll need at least a 350watt power supply for the 208b, either a 500 or 1000watt supply for the 3010b an the PL8. The 3010b and PL8 require power supply with voltage of 24v or more to reach their full 1000watt ratings.