1300mAh 533-000128, 623158 Battery Replacement Compatible with Logitech Harmony 950 (915-000260) and Harmony Elite (915-000256, 915-000257) Remote Controls - Newegg.com
Logitech Harmony One Remote Battery Replacement - YouTube
Amazon.com: Case for Logitech Remote, Protective Silicone Remote Case ONLY for Logitech Harmony Companion All in One Remote Control Shockproof Washable Skin-Friendly Remote Control Cover with Loop (Black) : Electronics