Sarah Witman is a senior staff writer who reports on powering and charging technology for Wirecutter. She previously worked as a writer, editor, and fact checker for several science magazines. Though she researches and tests chargers for a living, her phone battery is usually low.

Latest articles

  • Three of our picks for the best portable power station, the EcoFlow Delta 1300, the Jackery Explorer 1000, and the Jackery Explorer 300.

    The Best Portable Power Station

    by Sarah Witman

    Our top pick for three years running, the Jackery Explorer 1000 is the best portable power station for going off the grid or prepping for an emergency.

  • Our picks for best USB phone charger displayed on a pink surface next to an iphone with a charging cable plugged in.

    The Best USB Phone Charger

    by Sarah Witman and Nick Guy

    No matter what kinds of USB-powered devices you own, we have picks to power them at their fastest charging speeds.