Logitech Harmony Remote Control Replacement Rechargeable Battery - Harmony One, Harmony One Advanced, Harmony 720, 850, 880, H880, 880 Pro, 885, 890, 890 Pro, 900, 900 Pro, Harmony 1, Harmony 1 Advanced Battery, Replaces 190304-0000 190304-2000 R-IG7 NTA2340 Logitech Harmony Remote Control Replacement Rechargeable Battery Compatible with Harmony One, Harmony One Advanced, Harmony 720, 850, 880, H880, 880 Pro, 885, 890, 890 Pro, 900, 900 Pro, Harmony 1, Harmony 1 Advanced Battery, Replaces 190304-0000 190304-2000 R-IG7 NTA2340 Genuine Logitech Battery 950mAh 3.7V 3.5Wh