There should be a SPLITTER button, because IF you still got 300 hp and your teammate 17 hp, you press the SPLITTER button and click your teammate and your 300 hp will be splitted and your teammate gets 150 hp and you lose 150 hp.
Should be a button for: You still got 300 HP and Armor, and your teammate 10 HP and 0 Armor, you press the SPLITTER button and select your teammate and 50% goes to your teammate.
Should be this batches: Assasin, killed with Sniper, 15 p. Powerful, got MVP 1st time, 5 p. More powerful, MVP 3 times in a row, 30 P. and Shooter, reached level 15, 30 p.