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。

youdao

That means you're either purchasing (and tossing) alkaline after alkaline or you're constantly swapping in a fresh pair of rechargeables to keep the juice flowing.

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