Logitech L-LY11 Mouse Battery Replacement (600mAh, 3.7V, Lithium-Ion) - Compatible with Logitech CP-MXL11, LLY11, F12440097, 200810, CSLOY11RC, CPMXL11, 533000018, MX REVOLUTION OLDER GENERATION Replacement Logitech L-LY11 Battery for Logitech L-LY11, Logitech F12440097, Logitech 200810, Logitech CS-LOY11RC, Logitech CP-MXL11, Logitech 533-000018, Logitech MX Revolution (Older Generation) Battery Capacity: 600mAh, Voltage: 3.7, Type: Lithium-Ion Lifetime Warranty On Sale for a Limited Time! Grade A Quality. High Capacity.