Remote Control Battery Fits Logitech Harmony 915,1000,1100 Specifications:Battery Fits Logitech Remote Control Harmony 1000, 1100Battery Replaces F12440056, L-LU18Voltage: 3.7VAmperage: 1300mAhChemistry: Li-Ion BatterySpecifications Rechargeable: Yes Output Voltage: 3.7V Amperage: 1300mAh Chemistry: Li-Ion Length: 2.15" Height: 0.27" Width: 1.39" Country of Manufacture: China