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** | Tasteful since 2011 **
** | Tasteful since 2011 **

Efest | SLIM K4 USB-C Intelligent Battery Charger | 4 Battery

by Efest
Original price £12.99 - Original price £12.99
Original price
£12.99 - £12.99
Current price £12.99

Product Description

Introducing the Slim K4 Automatic Battery Charger – a symphony of smart charging technology and unmatched convenience. Designed with your ease in mind, this charger takes the guesswork out of battery management, ensuring your cells are charged effortlessly and efficiently.

Experience seamless automation as the Slim K4 springs to life, initiating the charging process within moments of battery installation. The intuitive indicator light dances between shades of blue, signalling standby mode or full charge, and elegant white, indicating active charging.

Unveil a new dimension of versatility with the Slim K4's auto-detect charging currents, offering a spectrum of options: 1 x 1.0A, 2 x 1.0A, 3 x 0.5A, or 4 x 0.5A. Your safety takes centre stage, thanks to the secure CC & CV safe charging mode, while the user-friendly USB charger (5V 2A) adds an element of convenience to your charging routine.

Each battery slot operates independently, ensuring precision and performance with every charge. The ingenious low-voltage smart activation recovery function breathes life back into your cells, while the charger's super lightweight and portable design adds a touch of versatility to your on-the-go lifestyle.

Elevate your charging experience with the built-in intelligent chip, standing guard with six layers of protection. From short circuit and automatic overcharging protection to reverse polarity and 0V activation recovery function, rest assured that your batteries are in capable hands. Hardware and software work harmoniously, providing you with double-layered security.

Experience the future of charging with the Slim K4 – where intelligence, safety, and convenience unite to redefine your charging journey. Illuminate your vaping experience with precision and peace of mind today.

Technical Specs

  • Auto-detect charging current
  • Safe charging modes
  • Independent battery slot monitors
  • Low voltage smart activation recovery function
  • 6 built-in intelligent protections
  • Input power: DC 5V 2A
  • Auto cut-off voltage: 0.05 - 4.20V
  • CV cut-off current: <100mA
  • Operation temperature: 0 - 40 c


In the box

  • 1 x Efest SLIM K4 USB-C battery charger
  • 1 x USB-C charging cable

Delivery Time

This product is available for UK next day delivery

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