So... A little theory, this is mostly HLNana 's theory

Possibly those who got the comic already knows this but i'll spill it anyways

She told me...

Gentar's powers is something about absorbing energy, exactly like a battery. It explains why he's a battery in one of the panels

So cute... 😭

And for the absorbing part

He once got hit by the robot's laser badly, but wasn't actually effected

Mah boi is invincible...-