ORIGINAL: RevToTheRedline
ORIGINAL: Osirisf16
Nice answer

But from all the features, i'm aware of the battery. The 3PKS got a 700 one, and the 4PK got a 1700. Can i change the 3PKS's battery to 1700 or even more?
You can put a 2700mah NiMH pack in the 3PKS if you want, you can put a 3300mah 3S lipo in it if you want, but why would you want to, are you going 2 weeks racing without the ability to charge it?
Something like that

2700 you said? Nice. I prefer to stay away from Lipos untill the little "explosion" problem they got is vanished.