Efest Slim K2 Charger

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Product Details

  • Description

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

    • 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.

    How to use:

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

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