Amazon.com: NASTIMA Upgrade 7.2V 5200mAh Li-ion Battery Replacement Compatible with Neato XV11 XV12 XV14 XV15 XV21 XV25, XV Essential, XV Signature, XV Signature Pro Robotic Vacuum Cleaner : Home & Kitchen
Amazon.com: Neato Robotics 945-0129 Neato NiMh Pack for Botvac Series (BV70e, BV75, BV80, BV85, D7500, D8000, and D8500) Battery, 2.5H x 2.25W x 9.25D, Green : Home & Kitchen