no, i have not purchased anything yet. but a couple of posts on other forums have said the same.
after i read a thread on building of the cherokee on rcgroups, if i were to use 2 batteries, one would have
to be mounted on the bottom of the servo tray and the other would have to be mounted on
the top.in order for both to fit. so i`m thinking of buying a 5s and just have the one battery.
would seem to be a pita to mount two batts.
your second link is the one i was looking at