Amazon.com: Synergy Digital Vacuum Cleaner Battery, Works with iRobot Roomba 562 Vacuum Cleaner, (Ni-MH, 14.4, 2800mAh) Ultra High Capacity Battery : Home & Kitchen
MIGHTY MAX BATTERY 14.4v Battery for Roomba 500 510 530 532 535 540 550 560 562 MAX3471800 - The Home Depot
UpStart Battery 2-Pack - iRobot Roomba 562 - AeroVac Battery + Universal Charger for iRobot Replacement - For