Is this a battery issue or something else? Roomba 880 : r/roomba
UpStart Battery ROOMBA-500-20-4FLT800-1EXT-DL3 iRobot Roomba 880 Battery Replacement Kit Includes 1 Battery, 1 Debris Extractor Set & 4 HEPA Filter
Amazon.com: iRobot Roomba Authentic Replacement Parts - XLife Extended Life Battery - Compatible with Roomba 400 600 700 800 Series Robots : Home & Kitchen
New 1800LI Li-Ion Battery for iRobot Roomba 500 600 700 800 900 Series 595 601 660 680 690 770 790 850 860 870 880 890 960 - Walmart.com
Amazon.com: iRobot Roomba Authentic Replacement Parts - XLife Extended Life Battery - Compatible with Roomba 400 600 700 800 Series Robots : Home & Kitchen