you could also try a guy named xjyd on ebay
http://cgi.ebay.com/ws/eBayISAPI.dll...959627797&rd=1 his packs are 8-10 continues and 15c peak. he only has up to 5400mah packs listed right now but can get other configurations. I am currently running 2 7.4volt 6600mah packs from them and 2 4950mah maxamps packs. there prices are also good my 6600mah packs were 160 or 170 shipped for the pair.