Amazon.com: AYTXTG I7 Battery for iRobot Roomba E and I Series I7 7150 I7+ 7550 E5 E5152 E5154 E6 I3 3150 I3+ 3550 I4 4150 I4+ and More E/I Series Vacuum-4624864, ABL-D1-BURFLO :
iRobot Roomba E5 - Robocleaners
iRobot Roomba e5 5150 Wi-Fi connected Auto Charging Pet Robotic Vacuum in the Robotic Vacuums department at Lowes.com
NATNO 14.4V 3200mAh Battery for iRobot Roomba i3 3150, i4 4150, i7 i7+ 7150 7550 i7158 i7550 i7558, e5 5150 e5150 e5152 e5154 e5158, e6 6198 e619820, Roomba e and i Series 4624864 ABL-D1 - Walmart.com