Amazon.com: Logitech Harmony Ultimate One Remote - Discontinued by Manufacturer : Electronics
OrangeYu 1050mAh Battery for LOGITECH 915-000198,Harmony Touch,Harmony Ultimate, Harmony Ultimate One - AliExpress
533-000084 Battery for Logitech Harmony Ultimate & Harmony Touch Remote Control - Walmart.com
Swollen Battery in your Logitech Harmony One?
Harmony Ultimate One Battery - Logitech Harmony Ultimate One Battery - Spare Module Type Logitech Harmony Ultimate One Replacement Lithium Ion (Li-Ion) Remote Control Battery – CutRateBatteries.com