Radio Shack has what you need. Also most online rc shops such as ose
http://www.offshoreelectrics.com/pro...k-cap-35v-1000
The etti cap banks are also very popular
http://www.offshoreelectrics.com/pro...lv&cat=136
Castle also now makes a cap bank:
http://www.offshoreelectrics.com/pro...ck&cat=136
ORIGINAL: amrharrymac
That makes the most sense of anything i've heard yet.
It is like having a micro electrical power reserve.
So, double the voltage of 4s, ~30V and someone said about 1000uF.
THX, Harry