The Precision HJT9B-FP Lithium Ion Battery is a great power-sport replacement battery for YT9B. Get improved performance from your power-sport vehicle by purchasing a Precision Battery. We stand behind our batteries; all of our batteries go through a rigorous quality control process. You can be assured that when you purchase a Precision battery you are getting high quality and high performance power sport battery at an affordable price. The Precision HJT9B-FP Lithium Ion Battery is suitable replacement for lead-acid battery models: YT9B-4(Gel), YT9B-4, YT9B-BS,HT9B-4(Gel), HT9B-4, HHT9B-BS,CT9B-4(Gel), CT9B-4, CT9B-BS,GT9B-4(Gel), GT9B-4,GT9B-BS.