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Efest Battery Chargers EFest Slim K1 Charger

    EFest Slim K1 Charger



    You have the power, you are in charge (yes, pun intended). This sleek, yet portable Efest Slim K1 Charger is a 1 bay charger with a convenient micro USB input, charging at 1A CC current. This Efest Slim K1 Charger might look small and simple, but it’s packed a multitude of features including: reverse polarity, over charging detection, and short circuit protection. Fun fact: this charger is made with a piano wire spring for smooth sliding action and is tested over 15,000 times for quality control. There’s also a steel cathode with low resistance and hard chromium plating processing for the ultimate charging precision. The Efest Slim K1 Charger also features an LED indicator so you can easily see when your batteries are ready, and supports any 3.6V/3.7V lithium battery. Keep your mod going all day long with help from the super portable Efest Slim K1 Charger!


    • Fast charging mode 1.0A

    • Portable design with high quality piano strings

    • Battery Life LED Indicator light

    • Reverse polarity protection

    • Activation function

    • Auto detect charging function

    • Over charging protection

    • Short circuit protection

    • Fit to 3.6v or 3.7v lithium battery in different sizes

    • Operation Temperature: 0C ~ 40C

    • Storage Temperature: 40C ~ 70C

    • Single Slot 5V/1A Micro USB Charger

    • AC Input Power: AC 100~240V 50/60Hz

    • DC Output Power: DC 5V 1A

    • DC Input Power: DC 5V 1A

    • 1 Slim K1 charger body

    • 1 USB cable

    • 1 Warranty card

    • 1 Operation manual


    Warning: Please ensure to properly prime each coil and pod before you use them. Always use proper precautions and handling. If the coils has a sub-ohm resistance, sufficient technical knowledge and understanding is required on the use of batteries, mods, and kits that can handle Sub-Ohm coils. If you are unsure whether you are familiar or not on particular products and/or set-ups, please do not use. Never use short or flat 510 connections on any hybrid/hybrid style devices. There is always an inherent risk when using any rechargeable batteries at any time and under any circumstances. Please ensure that you have great knowledge on all rechargeable batteries before you use them with your vaping device. Always charge batteries at the clean and fire-proof surface. Never leave charging batteries or vape devices unattended. If batteries are visibly damaged, do not use. Please have sufficient understanding of the batteries/chargers and any rechargeable cells you are using and how to care for them properly. Always store, keep and transport the rechargeable cells in a safe, non-conductive container in a controlled environment whenever possible. Rechargeable cells are very sensitive to charging characteristics and may explode or burn if mishandled.