The world’s first sealed, maintenance free, gelled electrolyte battery. Provides many years of dependable service in dozens of marine, commercial, recreational and electrical vehicles. Does not require acid checks or periodic watering. Provides both starting power and exceptional deep cycling capability. Low self-discharge rate allows storage for 24 months without charging. Recovers 100% from deep discharge, tolerates wide range of temperatures, can operate in any position and under normal operating conditions there is no gassing or emission of corrosive acid fumes. Do not combine with any other sealed, maintenance free battery with a set of flooded lead-acid batteries. For pleasure craft: 12 month replacement period and 60 month pro rated credit period. For commercial use: 9 month replacement period and 36 month pro rated credit period. 6 month replacement period and 12 month pro rated credit period.