Amazon.com: Synergy Digital Remote Control Battery, Compatible with Logitech Harmony 1100 Remote Remote Control, (Li-ion, 3.7V, 1300mAh) Ultra High Capacity, Replacement for Logitech F12440056 Battery : Electronics
Logitech Harmony 1100 Battery Power Block Repair
Amazon.com: Synergy Digital Remote Control Battery,Compatible with Logitech Harmony Touch Remote Control, (li-ion, 3.7V, 1100 mAh) Ultra High Capacity Battery : Health & Household