541 is a high quality battery from Numax. The cold cranking current of the battery is 480 A. The dimensions of the product are 348 x 173 x 222 mm. You should use the dimensions of your old battery as a guide for your selection. Durable Gel technology for your vehicle The 541 has a capacity of 150 Ah. The higher the value, the more electrical charge can be stored in the battery. Gel batteries like the 541 are suitable for marine and leisure equipment with high energy requirements. They have a long cyclic life and are maintenance-free. The technology of this battery covers the energy needs of leisure applications with vibration resistance. 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 541, the circuit is 0, so the positive pole is on the right.