The Yuasa No Maintenance Battery has been designed to offer a complete line of Power-sport batteries that gives your machine a range of performance. The Yuasa No Maintenance Battery comes with pre-packed acid that is measured equally making it easy to fill. For your protection and safety you will still want to wear safety gear when filling the battery. Once the Yuasa No Maintenance Battery has been filled the acid is sealed and you will not need to worry about any acid leaks dripping on your valuable vehicle parts or accessories and will protect against corrosion. The Yuasa No Maintenance Battery has been designed to insure longer periods between charges making the battery last longer even through the winter storage months.