Completely maintenance free. Sealed construction eliminates periodic watering, corrosive acid fumes and spills.Scooter MK-Battery 26AH 12VSpecifications Part Number: ES26-12 Voltage: 12V Capacity At 20hr Rate: 26Ah Dimensions(mm): 166Long 175Wide 125High Terminal: F3 Key Features Maintenance-Free Valve Regulated Rugged, Compact Design Multiple Applications Float Or Cycle Use Low Self-Discharge Lead Calcium Construction Absorbed Glass Mat Tank Formed Plates