Logitech Rechargeable Battery for Harmony 720 880 890 900 3.7V 950 mAh New - Walmart.com
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