Efest Slim K1 Charger

EfestSKU: VS-EfestSlimK1charger



Efest Slim K1 Charger

The Efest Slim K1 battery charger is a compact, space-saving, and cost-efficient universal charger perfect for travel and home use. Its micro USB slot allows you to charge other electric devices, such as phones, flashlights, and e-cigs, making it a versatile accessory for your daily needs.

This charger features separate bays, enabling you to charge different types of rechargeable batteries simultaneously, while preventing overcharging. The LED indicator displays the charge level of each bay, ensuring you're always informed about the charging status.

The Efest Slim K1 prioritises safety with its reverse polarity and short circuit protection features, providing peace of mind while charging your batteries.

In an increasingly crowded market, Efest has managed to create a charger that stands out from the rest. With its unique blend of functionality, safety, and convenience, the Efest Slim K1 is an essential accessory for anyone who wants to recharge their batteries quickly and efficiently.

Key Features

  • Fast charging mode: 1.0A
  • Fits 3.6V or 3.7V Lithium batteries in different sizes
  • Reverse Polarity protection
  • Activation function
  • Auto-detect charging function
  • Over-charging protection
  • Short circuit protection


  • Input: Micro USB
  • Output: DC 4.2V / 1.0A
  • Dimensions: 93 x 55 x 23mm
  • Weight: 65g

What's in the Box

  • Efest Slim K1 charger
  • Micro USB cable
  • User manual


The Efest Slim K1 charger is a reliable, efficient, and safe way to recharge your batteries. With its compact design, fast charging capabilities, and advanced safety features, this charger is perfect for anyone looking for a hassle-free charging experience. Get yours today and discover the convenience of efficient battery charging.


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