CS-IRS910VX : Battery for iRobot Roomba S9, Roomba S9+, S955020 - Replaces iRobot ABL-B, 4650994 ETA 5225 Raggio then the highest-capacity batteries available

then the highest-capacity batteries available for that purpose are the FNB-83x

MSI Crosshair 15 A11UEK-205

50mm Color Black Weight 291

Xiaomi Dreame D9

BIG BEAM EVRXL2RWWU

CS-IRS910VX : Battery for iRobot Roomba S9, Roomba S9+, S955020 - Replaces iRobot ABL-B, 4650994 ETA 5225 Raggio then the highest-capacity batteries availableThe CS IRS910VX is a replacement rechargeable battery for iRobot products. This battery replaces the following OEM part number(s): iRobot ABL B iRobot 4650994 This battery is compatible with the following model(s): iRobot Roomba S9 iRobot Roomba S9+ iRobot S955020 Specifications: Voltage 14. 4V Chemistry Li ion Capacity 4400mAh Dimensions 87. 30 x 70. 60 x 70. 00mm Color Grey Weight 474 g