TalentCell 14.4V 3000mAh Replacement Battery for iRobot Roomba 500, 600, 700, 800 Series 500 510 530 531 532 533 535 536 540 Original quality. Easy install and it fits perfectly. Easy to charge and connect APS battery compatible with all Roomba FloorVac models. Dimension: 5.7 x 2.2 x 2.5inches