PowerStar Replacement GT12B-4, YT12B-BS, YT12B-4, PT12B-4, UT12B-4, GT12B4 Replacement Battery 225cca High Performance WP12B-4 Sealed AGM for Yamaha, Ducati, Kawasaki, Triumph Motorcycles Sealed configuration, colloid electrolyte, and leak-proof. No acid mist and pollution to the environment when charging and discharging. It is the environment-friendly products recommended forcefully by our country Good at charging acceptance; Low self-discharging and durable for storage. Nice ability for resilience after over-discharge and the capacity of high discharge current increases by 30% over VRLA Good performance in the low temperatures, can meet requirements of starting currents in -30?to -50?.