Not so great: Outside control, Multi-touch, and Battery Life - The Logitech Harmony Elite Experience: Ultimate Control
Amazon.com: Replacement Battery for LOGITECH Harmony Ultimate Harmony Touch 915-000198 1209 533-000083 533-000084 Harmony Ultimate One : Health & Household
Amazon.com: 533-000128 Battery Replacement for LOGITECH Elite, 915-000257, 915-000260, Harmony 950 623158 : Health & Household
Amazon.com: Replacement Battery for Harmony 950, 915-000260, Elite, 915-000257, fits Part Number 533-000128, 623158, Remote Control Cameron Sino CS-LOH950RC 3.7V Li-Polymer 1300mAh/4.81Wh : Electronics