Warning! Avoid Cameron Sino batteries! They have a defect that causes them to be incompatible with the Roomba i7. : r/roomba
Batterie Li-ION pour iRobot Roomba i7 i3 i4 e5 série 14,4 V 2200 mAh remplace ABL-D1 ABL-D. 2 et Plus - et i-Series aspirateur Robot(Gray) : Amazon.fr: Cuisine et Maison
Lithium Ion Battery for Roomba® e & i series | iRobot