Amazon.com: Synergy Digital Remote Control Battery, Works with Logitech Harmony 900 Pro Remote Control, (Li-Ion, 3.7V, 950 mAh) Ultra High Capacity Battery : Health & Household
Amazon.com: Logitech Harmony 900 Rechargeable Remote with Color Touch Screen (Discontinued by Manufacturer) (Renewed) : Electronics
Classic Straight USB Cable suitable for the Logitech Harmony 900 with Power Hot Sync and Charge Capabilities - Walmart.com