Yes. The advantage is increased headroom. this isn't really necessary if you have lower output (or more correctly, non-high output) pickups and don't spend a lot of time with maximum bass boost. Barts do have a input volume pot for the most part, so if you get distortion, you can just turn it down. It's the mini blue pot that goes inside the control cavity.
I have an NTBT inside my jazz and i just don't think there is any audible difference in sound between 9 & 18 volts, there's a little more headroom but that's not necesarily better.
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STINGRAY 5 HH, FENDER JAZZ LPB, MARK BASS LM II