When the internal rechargeable battery in his wireless mouse died, [cmot17] decided it was the perfect excuse for making a couple of modifications. The Logitech MX Master isn’t exactly a budget mouse ...

Logitech's arsenal of gaming mice just expanded with the release of the G309 Lightspeed, a wireless rodent with a battery that's rated to last nearly two weeks of non-stop usage (including gameplay) ...

The most significant change comes from the switch to a built-in 290mAh lithium battery. This replaces the AA battery found in previous models and helps reduce the mouse’s weight to approximately 57 ...