iRobot Roomba 563 Battery and 6-Arm Side Brush - Kit Includes 1 Battery and 1 6-Arm Side Brush - Walmart.com
Mighty Max Battery NiCD Replacement for iRobot Roomba 563, 561, 551 Rechargeable Sealed Lead Acid Backup Power Batteries in the Device Replacement Batteries department at Lowes.com
Amazon.com: Replacement for iRobot Roomba 563 Battery and Filter - Kit Includes iRobot 1 Battery and 1 Filter : Home & Kitchen
14.4V 6.8Ah For iRobot ROOMBA 563 (LI-ION) Battery - Walmart.com