Visited on May 20 without charging.
The chargers are in P1, just after the entrance. There's a sign above the lane, but there's nothing in the ramp at the fork between P1 and P2. You might be able to just barely see the sign hanging in the lane from the ramp, but there's no way to see the chargers are they are behind the wall.
Each of the 3 spots have a different size. The leftmost spot has reduced depth. The rightmost spot is extra wide.