Logitech Harmony 880 / 885 / 890 Series — 3.7V Li-ion Replacement Battery (190304-200)
This is a 3.7V, 950mAh Li-ion battery that replaces the original rechargeable cell in the Logitech Harmony 880, 885, 890, 720, and compatible Harmony remotes. It slots directly into the internal battery bay and connects via the factory wiring harn