hi people, i'm new in building robots. i encounter some problems and wonder if anyone out there can help me or give me advice to it.
1) i need to size a battery (however wat does size a battery means)
i have the payload (90kg), motor (120W x3), controller (300W) and it has to run continuous (4 hrS)
how am i supposed to size the battery
2) anyone noes the difference between EPOS and EPOS2.
Thanks a million