Energizer and Duracell batteries last many months in my Logitech Cordless Optical TrackMan. 73 Alan NV8A On 03/30/11 07:49 am, Howard Lester wrote: > The battery in my Logitech M305 wireless mouse doesn't last more than about > a month, so instead of an AA alkaline I use a AA NiMH. That saves me cash, > which is just as good as money.