A SKYRICH LFP-12 Lithium Motorcycle Battery 16Ah 12V. Starting power: 420CCA Suitable for replacing the factory batteries of the following types: 51913 YT19LB-BS 51814 52015Dimensions: 181 x 77 x 170 (Spacers are included) The advantages of SKYRICH batteries over traditional batteries are: Lithium batteries are about 70% lighter than conventional ones They perform better They store more energy over the long term almost no maintenance They have an extremely low self-discharge rate They can be kept for months without use If they lose their charge they recharge very quickly A real weight saving More performance They contain no heavy metals They have LED indicators More friendly to the environment