EFest Slim K1 Charger


EFest Slim K1 Charger


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Description Federal Tax


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

The new federal excise tax as of October 1st 2022 will only effect selections that include the "E.TAX" in the description. Tax will be added in the Cart and or Checkout automatically.