950mAh Battery Replacement for Harmony One Remote Control | eBay
Logitech Harmony 1100 Battery Power Block Repair
Harmony Remote Batteries
Remote Control Battery R-ig7,f12440023,k43d,m36b,m41b,190304-200 For Logitech Harmony One, 720,780,785,880, 885,890,895,900, Pro - Digital Batteries - AliExpress
Best Buy: Logitech Harmony Ultimate One 15-Device Universal Remote Black 915-000224
Harmony One Battery Repair : 6 Steps - Instructables
Logitech Harmony One Advanced Remote Control Battery Li-Ion 3.7V (950 mAh) Battery - Replacement For R-IG7 and Monster MCC - Battery World
Original R-IG7 Battery for Logitech Logitech Harmony One 900 880 890 720 Y-RAY8 791450454139 | eBay