Logitech Harmony Touch 3.7V 1050mAh Li-ion Replacement Battery LR3 Base Sport Utility 4-Door The LW20's BIOS fuel gauge

The LW20's BIOS fuel gauge IC was calibrated against the discharge curve of the original cell

rumble enabled — until the controller shuts off automatically

Range drops noticeably after a few months of use

5K-1T system

Logitech Harmony Touch 3.7V 1050mAh Li-ion Replacement Battery LR3 Base Sport Utility 4-Door The LW20's BIOS fuel gaugeLogitech Harmony Touch Ultimate Series 3. 7V Li ion Replacement Battery (533 000084) This is a 3. 7V, 1050mAh Li ion battery for the Logitech Harmony Touch and Harmony Ultimate series remotes, including the Harmony Ultimate One (915 000198). It replaces OEM part numbers 533 000084, 533 000083, and 1209. When the original cell depletes, this swap restores full remote function without replacing the entire unit. Harmony Touch, Ultimate, and Ultimate One