Vacuum Battery for iRobot 4624864 ABL-D1 7150 Roomba 5150 Roomba 7550 Roomba e5 Compatible with the following devices 7150, Roomba 5150, Roomba 7550, Roomba e5, Roomba e5150, Roomba e515020, Roomba e5152, Roomba e5154, Roomba e5158, Roomba e515840, Roomba e6, Roomba e6198, Roomba e619820, Roomba i7, Roomba i7+, Roomba i7158, Roomba i7550, Roomba i755020, Roomba i7558 Compatible with Battery Part Numbers 4624864, ABL-D1 ***Please note: Regarding "Error 23" When the APP is connected to Roomba i7, "error 23" should not appear when the battery is removed. When the APP is closed or disconnected from Roomba i7, "error 23" will appear when removing the battery and then installing the (CS or original) battery. To avoid the problem of the APP, customers are advised to ensure the APP is well connected to the machine. If "error 23" appears after installing the battery, please close the APP; then remove the battery from the machine; after that, press the "open" and or "start" button of the machine for 10 seconds. And then, reinstall the battery and put it on the charger. Wait for the machine to start automatically. Finally, open the mobile APP to connect the machine. **The brand names/trademarks/trade names specified are registered properties of their respective owners.