I seem to be having a problem with my Logitech MX700 I got used off eBay. Normal AA 1.5v batteries seem to last a fairly long time in it, but after getting some Duracell rechageable NiMH 1.2v batteries, whenever I use them they seem to die on my very quickly. I charged them up before ever using them in the mouse, but after a few hours or so of use of the mouse with them fully charged at first, the mouse suddenly stops working completely. This definetly cannot be normal, so does anyone have any idea what is the problem? Is it the mouse, the batteries, because I really don't want to be throwing normal AA batteries in this thing every several days :\.