Powerextra 3.8Ah Ni-MH Battery Compatible with iRobot Roomba R3 500,600,700,800,900 Series 500 510 530 531 532 535 536 540 550 552 560 570 580 595 600 620 650 660 700 760 770 780 790 800 870 900 980 Package contains 4*side brush and 4* screw as a giveaway gift for orders. ( Note: 2 of the side brushes are used for Roomba 500 600 & 700 series and the other 2 are for Roomba 800 & 900 Series.) Battery Type:Ni-MH / Voltage:14.4V / Capacity:Upgraded 3800mAh. High capacity for your roomba machine, full charge can last 1.5 to 3 hours. Brand New Replacement Product, Works as Genuine Parts.Easy to charge and connect APS battery compatible with all Roomba FloorVac models Safeguard features against overcharging, over discharge, over current, provides short circuit protection and steady voltage circuit, all of these prolong battery life. All Powerextra products come with a 30-day money back and a 12-month limited seller's guarantee against manufacturer defects from date of purchase, and 24 hours' friendly customer service! Battery Capacity: 3800mAh Battery Voltage: 14.4 V Battery Type: Ni-MH Color:Yellow Dimension: 6.1 x 2.7 x 2.5 inches Weight: 1.6 pounds Condition: Brand New High Quality Replacement Battery iRobot Roomba 510 iRobot Roomba 530 iRobot Roomba 531 iRobot Roomba 532 iRobot Roomba 533 iRobot Roomba 535 iRobot Roomba 536 iRobot Roomba 540 iRobot Roomba 545 iRobot Roomba 550 iRobot Roomba 552 iRobot Roomba 560 iRobot Roomba 562 iRobot Roomba 570 iRobot Roomba 580 iRobot Roomba 581 iRobot Roomba 585 iRobot Roomba 595 iRobot Roomba 600 iRobot Roomba 610 iRobot Roomba 620 iRobot Roomba 630 iRobot Roomba 650 iRobot Roomba 660 iRobot Roomba 700 iRobot Roomba 760 iRobot Roomba 770 iRobot Roomba 780 iRobot Roomba 790 iRobot Roomba 800 iRobot Roomba 870 iRobot Roomba 880 iRobot Roomba 900 iRobot Roomba 980