b44 and b4 help

[jphillips]

Hi

i currently have a b44

what batteries are a good buy, also what servo a

currently running it on ex run 9t brushless motor and 4200 lipo batteries, spektrum

i also have a b4

again what batteries an servo a also a motor

currently running a mtroniks 12t esc and annsman 15t motor, 4200 reedy matched cells, futaba 40 meg

any help would greatfully

also an help with setup for both cars