6000mah Li- Ion Battery For Irobot Roomba 500 600 700 800 900 Series And Vacuum Cleaner 895 890 860 695 680 690 675 640 960 980 - Rechargeable Batteries - AliExpress
iRobot Roomba 765 : Unboxing & Hands-on - YouTube
Amazon.com - EPIEZA 2 Packs of 2 TIRES. Wheels for IROBOT ROOMBA Series 500, 600, 700, 800 and 900. Contains 4 tires. Non-slip replacement and accessories, high wear resistance -