For the toy

You're a battery, which its main objective its to give life to a child's toy. It could sound as an easy task, but the path will be infested of numerous metal creatures that will try to make you run out of energy.  Defeat the creatures using your electrical powers, but be aware! You will be using your energy life for each attack and jump! So you may will have save it for a better moment in order to reach the precious toy. Are you ready?