Amazon.com: YB16CL-B Jet Ski Battery for KAWASAKI JF650 TS CC 89-'96, JF650 X2 650CC 86-'95: Automotive
Taiga Motors' Orca is a $24,000 electric watercraft with a two-hour battery - The Verge
Amazon.com: Kawasaki (Jet Ski) JT1200-A-B C STX-R STX-12F 1200CC Personal Watercraft Replacement Battery (2002-2007) - This is an AJC Brand Replacement: Automotive