Synergy Digital Vacuum Cleaner Batteries, Compatible with iRobot Roomba 5250 Vacuum Cleaner, (Ni-MH, 14.4V, 3000 mAh) Ultra Hi-Capacity, combo-pack includes: 3 x EM-VNH-100 Batteries - Walmart.com
14.4V-4 NiMH Replacement Battery for iRobot Sweeper Robot - ennotool
Batteries N Accessories BNA-WB-VNH-100 Vacuum Cleaner Battery - Ni-MH, 14.4V, 3000 mAh, Ultra High Capacity Battery - Replacement for iRobot 11700 Battery - Walmart.com
Synergy Digital Vacuum Cleaner Battery, Works with iRobot Roomba 4170 Vacuum Cleaner, (Ni-MH, 14.4V, 3000 mAh) Ultra High Capacity Battery - Walmart.com
Original 7.2V 3000mAh Ni MH Battery for iRobot Roomba Braava 380 380T Mint 5200c Ni MH 7.2v 2500mah Rechargeable battery|Replacement Batteries| - AliExpress
XLife battery for iRobot Roomba series 600, 700, 800 (Original)