Loading... Please wait...

Efest Slim K4 Charger

$19.99 (You save $4.00)
SKU: 230025
Ships within 24 to 48 hours (see our shipping policy for details).

    Efest Slim K4 Charger

    Perfect for vapers with multiple devices, the Slim K4 from Efest is a 4-bay charger that's portable enough and allows for a quick charge into your battery cells.  Powered through the integrated micro-USB Type C port, this charger can be used where USB ports are to be found.  In the car, in the airport, with your laptop—the possibilities abound.  The Slim K4 accepts all sorts of 3.6V/3.7V battery cells, from 10440s to 26650s and everything inbetween.


    • Four (4) Bay Li-Ion Smart Battery Charger
      • 1.0A Maximum Current per Bay
      • Independent Charge Monitoring
      • Battery Trickle-Charge Revival Capable
    • Powered by Micro-USB Input
      • Max. Input Current: 5V/2A
    • LED Battery Charge Indicators
    • Supports:
      • 10440, 14500, 14650, 16340, 16650, 17650, 17670
      • 18350, 18490, 18500, 18650, 20650, 20700, 26650
      • and more!
    • Durable ABS / Stainless Steel Construction
      • Steel Contacts
        • Chromium-Plated Positive Contacts
        • Steel Spring–Loaded Negative Contacts
          • Stainless Steel Piano Wire Springs
    • Safety Protection Suite:
      • Reverse Polarity
      • Activation Function
      • Auto-Detect Charging
      • Over-Charging
      • Short Circuit

    Box Contents

    • 1x Efest Slim K4 Charger
    • 1x Micro-USB Type C Cable
    • 1x User Manual
    • 1x Warranty Card

    IMPORTANT NOTE: Understanding how to handle and care for Lithium type batteries is very important and should always be practiced. Lithium type batteries are very sensitive to charging characteristics and may explode or flame if mishandled. We recommend using 18650 batteries capable of high-drain amperage with this device, such as the LG HG2 or the Samsung 30Q. DO NOT charge your batteries overnight or while unattended for a prolonged period of time! Always charge your batteries in a fire-proof surface/area and DO NOT expose them to high temperatures (e.g. inside your car). DO NOT expose the battery's terminals to metal objects or immerse in water/liquid. We are not responsible for any damage if there is any misuse, abuse or modification of the batteries and/or chargers in any shape or form (including pack making). Furthermore, Electric Vapor Cigarettes LLC (a.k.a. EVcigarettes.com) will not be held responsible or liable for any injury, property damage, or defect that is caused by misuse, abuse or modification of Lithium batteries and/or chargers.

    30-Day Limited Warranty. See warranty section for details.

    View Cart Go To Checkout

    Please Sign Up For Our Newsletter

    * indicates required