Amazon.com: Battery Kit for Logitech diNovo Edge Wireless Keyboard with Video Instructions, Tools, and Extended Life Battery from NewPower99 : Electronics
Logitech diNovo Edge – Techgage
Ilc Replacement for Logitech Dinovo Edge Y-ray81 Remote Control Battery DINOVO EDGE Y-RAY81 REMOTE CONTROL BATTERY LOGITE | Zoro
Logitech diNovo Edge Wireless Keyboard Battery Replacement (Hacking with a BIGGER battery) - Other Hardware - Level1Techs Forums
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Battery for Logitech diNovo Edge DiNovo Mini Y-RAY81 Replace 190304-2004 M50A 4894580175106 | eBay