The best replacement for duracell is energizer.

The best alternatives to duracell are rated as following:
★★★★★  energizer
★★★  rayovac
★★  procell
★★  eveready
★★  energizer rechargeable
★★  eneloop
★★  energizer batteries
★  energizer 9v
★  kirkland
★  energizer max
★  everstart
★  kirkland aa batteries
★  energizer bunny
★  energizer rechargeable batteries
  panasonic batteries
  energizer lithium
  surefire batteries
  kirkland batteries
  energiser
  interstate batteries
  powermat
  duracell procell
  eveready batteries
  alkaline
  energizer which lasts longer
  maxell
  duracell ultra
  energizer battery
  rayovac batteries

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Speaking about duracell, one probably shouldn't forget about glue stick.

Other search terms related to duracell and their ratings are:
★★★★★ glue stick
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Google Trends

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duracell
energizer
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