How to Replace Battery in Harmony Remote Remote Touch / Ultimate / Elite - YouTube
Amazon.com: CS Cameron Sino 3.7V 1050mAh Replacement Remote Control Battery for Logitech 915-000198, Harmony Touch, Harmony Ultimate, Harmony Ultimate One, Part No. 533-000083, 533-000084 : Health & Household
New Rechargeable Battery For Logitech Harmony Ultimate One | eBay
Amazon.com: Synergy Digital Remote Control Battery, Compatible with Logitech Harmony Ultimate One Remote Control, (Li-ion, 3.7V, 1050mAh) Ultra High Capacity, Replacement for Logitech 533-000083 Battery : Electronics