Huh? May be possible if you are NOT flying overseas - then you may be able to ship the battery via (hazmat) ground shipping, which is not easy or cheap to do.
I own a 22 Levo SL so I am familiar with the motor noise issue. I went to a Specialized Levo demo a few days ago and a had a chance to 'hear' the difference between the old and new motors. I agree with most that the new SL is quieter, and volume is similar to the full power Levo that I also...