Energizer's falling margins and high debt levels, coupled with negative returns on reinvested capital, suggest it's shrinking ...

Our rigorous testing gives a fuller, all-round picture of every battery's performance. We measure their longevity when they're powering high-drain devices, test their capacity and how it changes after ...

In our camera test, which mimics everyday use (zooming, flashing, shooting, and resting until batteries die), a top-rated Energizer lithium took 609 shots; the best of the alkalines, a Duracell ...

They're also still a step behind the more premium offerings, like Duracell's Optimum batteries or Energizer's lithium batteries. If you are a Costco member needing good batteries for a reasonable ...