LY50N18LA2 is a high quality battery from Lucas. The cold cranking current of the battery is 220 A. The dimensions of the product are 206 x 92 x 160 mm. You should use the dimensions of your old battery as a guide for your selection. Reliable wet cell technology for your vehicle The LY50N18LA2 has a capacity of 20 Ah. The higher the value, the more electrical charge can be stored in the battery. Wet batteries like the LY50N18LA2 are conventional flooded types suitable for classic motorcycles. They offer solid performance and may need occasional water top-ups. You should consider this when buying Before you buy, check that the circuit and polarity of your new battery are identical to the values of the old model. The circuit shows whether the positive pole is on the right or left of the battery. To determine this, position the battery so that the poles are facing you. With the LY50N18LA2, the circuit is 0, so the positive pole is on the right.