Battery Made With Sanyo Cells For Irobot Roomba I7 E6 7150 7550 4624864 E5 E5152 E5154 Abl-d1 E And I Series - Rechargeable Batteries - AliExpress
E5 Battery For Irobot Roomba E Series I Series E6 I7 I7+ I8 7150 7550 5150 E5150 E515020 E5152 Abl-d1 - Rechargeable Batteries - AliExpress
User manual iRobot Roomba E5 (English - 12 pages)
iRobot Roomba i6+ (6550) Robot Vacuum with Automatic Dirt Disposal-Empties Itself for up to 60 Days, Wi-Fi Connected, Works with Alexa, Carpets, + Smart Mapping Upgrade - Clean & Schedule by Room
Amazon.com - iRobot Roomba i4+ EVO (4552) Robot Vacuum with Automatic Dirt Disposal - Empties Itself for up to 60 Days, Wi-Fi Connected Mapping, Compatible with Alexa, Ideal for Pet Hair, Carpets -