Parts Unlimited Yt9B-4/Yt9B-Bs Factory Activated AGM Battery Yamaha Looking for a battery that will last you longer than a conventional battery This Parts Unlimited battery will get you anywhere you might need to be easily and mess-free thanks to the spill-proof design. Features Spill-proof design High performance active material with anti-sulfation additive Dimensions: 5-15/16 L x 2-3/4 W x 4-1/8 H Amp hours: 9