Efest Slim K2 Charger


SKU: efest-slim-k2
$ 10.99
2 reviews


Efest Slim K2 Charger - Speedy and Durable

With its independently monitored bays and portable, lightweight design, the Efest Slim K2 charger will fully charge your batteries with ease.

Efest Slim K2 Specifications:

  • Compatible with lithium ion batteries only
  • Common battery sizes: 10440, 14500, 18350, 18650, 20700*, 21700*, 26650*
    • *Technically while this charger can barely fit some 20700/21700/26650s that are on the shorter side, we do not recommend it. It's still quite a tight fit and it's not guaranteed that any particular battery you get will squeeze in. Please check out our other lithium ion battery chargers.
  • Connector type: Micro USB Cable
  • Output Current: 1A x 2
  • Input:  DC 5V 1A
  • Output Voltage: 4.2V +/- .05V

Efest Slim K2 Features:

  • Over-charging, reverse polarity and short circuit prevention
  • Automatically stops charging upon completion
  • Independent slot monitoring
  • Easy to read battery charging display
  • Steel cathode and hard chromium plating to achieve a more precise charging voltage

    In the Box:

    Customer Reviews
    5.0 Based on 2 Reviews
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    Filter Reviews:
    James H.
    United States United States
    • What device/application do you use this with? Headlamp
    Great and awesome price

    No issues, works great

    Esteban G.
    United States
    • What device/application do you use this with? SMOG MAG KIT USE LG AND SAMSUNG BATTERIES WORKS GRATE

    Very easy to use love it