Trying to repair/hack logitech diNovo Edge keyboard ....
Logitech diNovo Edge – Techgage
190304-2004 F12440071 M50A Battery for Logitech DiNovo Mini Y-RBG93
Logitech diNovo Edge Wireless Keyboard Battery Replacement Kit with Tools, Video Instructions, Extended Life Battery and Full One Year Warranty | NewPower99 CANADA
Logitech diNovo Keyboard for Notebooks lasts three years on one set of batteries | Ars Technica