replacing the batteries on a "late model" Logitech K800 wireless KB | [H]ard|Forum
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HQRP USB to micro USB Cable / USB Charging Cable for Logitech Wireless Illuminated Keyboard K800 ; Genius NX-ECO / Micro Traveler 9000R / Energy Mouse Wireless Mouse plus HQRP Coaster - Walmart.com
Charging Cable for Logitech K800 Illuminated Living-Room Keyboard -Walmartputer USB Charger (6 Feet), 2 in 1 Sync+Charge Micro USB Cable By EpicDealz,USA - Walmart.com