Wirecutter’s best deals: Save $40 on Sennheiser HD 600 headphones

This post was done in partnership with Wirecutter. When readers choose to buy Wirecutter's independently chosen editorial picks, it may earn affiliate commissions that support its work. Read Wirecutter's continuously updated list of deals here.

Energizer intros rechargeable batteries made from recycled cells

Energizer broke fresh ground when it made the first disposable batteries from recycled cells, but that immediately raised a question: where are the rechargeable versions? As of today, they're here. The company has introduced new Recharge AA and AAA...