[Product Information]

• Rechargeable APS battery for iRobot Roomba 400 Series， Discovery Series，Original Series and iRobot Dirt Dog
• Powers your robot for up to 120 minutes of continuous clean up.
• Use the APS Fast Charger 4902 to charge APS Battery in less than 3 hours (the Standard Charger charges the battery in 7 hours).
• Keep a second battery on hand to double Roomba's cleaning time
• Please Note - Not compatible with Roomba 500 Series robots