533-000112 For Logitech K830 Wireless Keyboard Battery 533-000128 For Logitech 915-000257 915-000260 Elite Harmony 950 981-000068 For Logitech ClearChat PC LOG981000068 533-000099 For Logitech Keys-To-Go, ik1041 533-000071 For Logitech Ultrathin Touch T630 H600 ...