Wireless mouse is a battery and lithium batteries are the same, to put it bluntly are batteries a built-in an external difference, if you want to use a long time with the battery, buy rechargeable batteries on the line, ordinary batteries with more costly batteries. Rechargeable batteries out of the problem is not good to change, that the mouse should also follow the change.
Wireless mouse current is very small, the voltage of a single battery in 0.8V or so, or can work, and rechargeable batteries cut-off voltage is 1V, to 0.8V has been over-discharged, and often this discharge, the life of the battery will be affected, not how many times the cycle does not, and the more you use the power of the lower, and in the end, the full charge can not be used for a few days, to buy rechargeable batteries and chargers is better than directly! Buy some alkaline electricity to save trouble.