Synergy Digital Vacuum Cleaner Battery, Compatible with Mami-robot 416 Vacuum Cleaner, (Ni-MH, 14.4V, 3000mAh) Ultra High Capacity, Replacement for Mami-robot 12SC3000S1P BatterySpecifications:Battery Chemstry: Ni-MHVoltage: 14.4VCapacity: 3000mAhCompatible with: Mami-robot 12SC3000S1P BatteryWorks for: Mami-robot 416 Vacuum Cleaner and many more