下面提到电池回收，现在是只有纽扣电池还含低量的汞，正常AA，C和D都不含汞了。

如果非常关心电池污染可以用充电电池，可重复用很多年。

https://www.amazon.com/AmazonBasics-AA-Rechargeable-Batteries-Pre-charged/dp/B007B9NV8Q/ref=sr_1_1_pp?keywords=rechargeable%2Baa%2Bbatteries&qid=1693686409&sprefix=rechar%2Caps%2C435&sr=8-1&th=1