Compatible with the following iRobot Scooba models: * Scooba? 5900 Floor Robot * Scooba? 5800 Floor Robot * Not compatible with 300 series TECHNICAL SPECIFICATIONS: * Votlage: 14.4V * Capacity: 3500mAh (3.5 Ah) NiMh battery * Dimension: 5.5x 2.875 x 1.75 inches * Warranty: 6 Months. * This product is a generic replacement, not the original OEM battery from iRobot.