Does anybody know where you can find the ODF for the medical and ammo droids? Thanks!

its "com_item_healthrecharge" and "com_item_weaponrecharge" in Common/odfs. this folder contains all the common models like commandposts etc.
if you are wondering howsomething is called or made, it always helps to look how pandemic did it.

I was going to look at how pandemic did it, but I couldn't find the file. Until now. Thanks!

you could for example open a world with these droids in ZE, select the objects and then look where they were loaded from.