what power cap to use

[lind5]

ok guys dont no much about power caps so i need your no how

im going to run my mamba max on 4s with a f/7xl motor
in my gmax revo i use the ubec that mike sell
i need to a power cap and i cant get the novak 5685 over here in the uk
i have searched for powercaps over here and well like i said i no nothing

so can some one tell me what type i will need the novak is a 35v 1800uf
but i cant find that type here (england that is)

any info would be great there must be someone on here that can help i do need to get it over here really as time is of the escence

im guesing suicideneil is the man over here he seems to normally the answers
(sorry if im wrong for using your name in my post neil hope you dont mind)