What fluid is this - new owner?

[C-17 Pilot]

What is the fluid resevoir that rests behind the battery on the Q5i?

I bought a Mercruiser 4.3L users manual and it doesn't mention this.

 

[LIQUID PROZAC]

Re: What fluid is this - new owner?

on mine it is the power tilt/trim fluid

 

[ktrahan75]

Re: What fluid is this - new owner?

power tilt/trim fluid