Brain Test 4 Level 30 We need a cleaner energy for this robot

Keep your momentum going in "Brain Test 4 Level 30: We need a cleaner energy for this robot." with our complete walkthrough.

By Emir Lajev /
Question
We need a cleaner energy for this robot.
Hints
Hint 1:
Find a way to make that battery cleaner.
Hint 2:
Drag the battery at the sink and wash it.
Hint 3:
Drag the washed battery back to the robot.
Step 1
Answer
Tap on the faucet to turn it on. Then, drag the dirty battery to the sink to wash it. Now, drag the clean battery to the robot.