Efest Slim K2 Charger

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Product Details

  • Description

    The Efest Slim K2 Charger is perfect for owners of dual battery mods.

  • Directions


      • Insert the USB cable into the unit, and activate the charger using an external power source (preferably wall plug).
      • Insert the batteries into the charger, paying attention to the positive and negative connection points. 
      • During charging, the LED indicators are white. When fully charged, the LED indicators will turn blue.
      • When charging has finished, unplug the USB cable before removing the batteries.
  • Features & Tips

    • Fast charging via USB cable. 
    • It's small and portable.
    • Compatible with a wide range of batteries: the classic 18650,  plus 10440, 14500, 14650, 16340, 16650, 17650, 17670, 18350, 18490, 18500, 20700, 26500, and 26650. 
    • Our favourite part: the charging bay springs use 'high quality piano wire' from Germany. You can kinda tell, they are super springy.
    • Individual LED battery power indicators for each bay.
    • Short-circuit protection, over-charge protection, and uses fire retardant materials.


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