You'll need to summon more copies of SP Android #16 (Green).
Each SP copy gives you 600 Z Power, so you have 600 of his Z Power at the moment:
* At 4 Stars (1,400 Z Power), he'll hit 320,117 max power. This requires 2 more copies.
* At 6 Stars (5,000 Z Powers), he'll hit 331,434 max power. This requires 8 more copies.
