Replace the rechargeable battery pack for Select 500, 600, and 700 Series Roomba vacuum cleaner models.
Mighty Max Battery 14.4V NiCd Battery for iRobot Roomba 500 600 700 Series
Exmate Upgraded 4.8Ah 14.4V Battery Compatible with iRobot Roomba 500 – EveryMarket
How to Reset the Roomba Battery
Replace a dead or malfunctioning rechargeable battery pack in your iRobot Roomba vacuum. This part is compatible with Specific models in the 500, 600, and 700 Series Roomba.
iFixit iRobot Roomba Battery for Select 500, 600, and 700 Series
Fits Perfectly : Replacement Compatible with roomba battery 500 600 700 800 series, 510 520 521 525 530 531 532 533 535 536 537 550 551 552 555 560
melasta 6400mAh Lithium Battery Replacement Compatible with iRobot Roomba 675 655 650 860 870 880 890 660 677 770 780 535 551 585 595 & 500 600 700
Tenergy iRobot Roomba Battery 4500mAh Replacement NiMH Battery for Roomba 500, 550, 560, 580, 600, 614, 630, 650, 660, 700, 770, 800, 880, 900, 980 Series and More - Yahoo Shopping
Lithium Li-Ion 4400mAh Replacement Battery (2Hrs+ Run Time) for iRobot – Cybertech
Tenergy NiMH 3850mAh Roomba Replacement Battery - Tenergy
iRobot Roomba 500, 600, 700 Series Replacement Battery by Banshee