The STAIR (St Andrews Air) cell should be cheaper than today’s rechargeables, too.

而且，STAIR 电池的价格比起现在的可充电电池应当更为低廉。

For my mouse I just use generic AA rechargeables that I swap out and charge outside the mouse.

对于我的鼠标我只是使用一般机管局可充电电池，我换出鼠标外收费。