Reviewed by Alex Beeson, UK Reviewer (Updated: January 2021)

#1 Pick: Rating = 94%

Our best choice right now in January 2021 is…

Editor's Pick
SHENMZ 2 PCS 3400mAh 3.7V 10A Battery For Flat Top, Size Rechargeable, With 1PCS 2 Slot Smart...
33 Reviews
SHENMZ 2 PCS 3400mAh 3.7V 10A Battery For Flat Top, Size Rechargeable, With 1PCS 2 Slot Smart...
    View on Amazon UK

    #2: Best Rated Runner-Up

    Also Good
    2 Pack Battery for 3.7V 3400mAh Flat Top Battery, Rechargeable, 2 Bay USB Battery Charger for...
    17 Reviews
    2 Pack Battery for 3.7V 3400mAh Flat Top Battery, Rechargeable, 2 Bay USB Battery Charger for...
      View on Amazon UK

      #3: Another Worthy Contender

      Worth Considering
      SDNMY 18650 Battery 3.7V High Capacity 4800mAh Rechargeable Batteries For Torch Flashlight
      241 Reviews
      SDNMY 18650 Battery 3.7V High Capacity 4800mAh Rechargeable Batteries For Torch Flashlight
        View on Amazon UK

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        BEST 18650 BATTERY: COMPREHENSIVE 2021 BUYING GUIDE

        Full buying guide on finding the best 18650 battery is coming soon. Please come back soon!

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