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  • The eFest K4 Charger is perfect for charging all of your vape batteries and more! The ultra-fast Type-C USB charge port is safe and secure offering multiple protections. Full-colour LED indication lighting keeps you in the loop with blue meaning standby / full-charge modulation and white when charging. It has 4 Bays for your usage and is intelligently designed to be simple and easy to use, yet complex mechanisms underpin its ability to re-load your cells with precision excellence.




    Auto-Detection Charging

    Independent Slot Monitoring & Charging

     Zero Volt Activation Recovery System
    Recovery Low Volt Smart Activation

    Four Bays

    Charge Speed = 4 x 0.5A / 3 x 0.5A / 2x 1A & 1 x 1A

    Stops Charging When Battery Is Full

    Reverse Polarity Safety Precaution

    Input = Type-C USB Charging (DC 5V 2A)

    Output: DC 4.20V



    Compatible Battery Sizes:

    10440, 14500, 16340, 17340, 18350, 18490, 18500, 18650, 26500, 26650, 20700 & 21700




    1 Slim K4 Battery Charging System

    1 Type-C USB Charging Cable

    1 Warranty Card

    1 User Manual

    1 Sealed Box

    Efest SLIM K4 Battery Charger

    Only 1 left in stock
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