BestMouse wrote:

> My system is a year-and-a-half-old Dell Dimension 8400 running WinXP,
> with a Dell wireless keyboard and mouse, and is left on 24 hours a
> day. Unfortunately the mouse, which requires two AA batteries, uses up
> batteries very fast, so I'd like to replace the mouse with a more
> efficient one (but keep my current Dell wireless keyboard).
>
> Which wireless mouse has the longest battery life?
>
> I know that rechargeable batteries are an option, but would prefer to
> keep using regular Duracell's, but with longer life.

Why? Logitech's cordless mice with NiMH AA and charging cradles are
the way to go. I've been using my MX700 with the same included NiMH
AA cells for over three years. I simply put the mouse in it's cradle
about every other night. Buying alkaline AA cells for a mouse is dumb.

BTW, there are now 2900mAh NiMH batteries available (soon to be 3000mAh)
which hold a charge as long as Duracell or Eveready alkalines. I use
NiMH AA cells in all of my remote controls as well. I haven't bought
an AA alkaline battery in years.