Cameron Sino 5200mah Battery For Irobot Roomba 614, 615, 640,652,665,670,671,675,677,680,681,671,675,677,680,681,685,690,691,695 - Digital Batteries - AliExpress
iRobot Roomba Series 500, 600, 700, 800, 900 and R3 Battery
iRobot Roomba X Life NiMH Battery - Accessories and spare parts (500) 4419696 : roombashop.ch
iRobot Roomba 4130 Vacuum Battery at Batteries Plus