Efest Slim K1 Charger


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Select Vape presents the Efest Slim K1 Charger by (Efest). The Efest Slim K1 is a small, portable single slotted charger, constructed to charge high-amp batteries in fast succession. The Slim K1is equipped with an intelligent battery detection, allowing the system to start charging the battery within seconds on contact with the terminals. The Efest Slim K1 automatic stops charging once the battery equipped are fully charged and ready to use.

See What Customers Are Saying:

  • “The Efest Slim K1 is just what I need. I only have 2 batteries (one on my device and a spare) so having a small carry-on single battery charger is perfect.”
  • “Works really good, easy to use, came quickly overall really satisfied. The Efest Slim K1 charges really fast too!”

Features and Specs:


Single Slotted Charger

Independently Charging and Monitoring

Intelligent One Bay Battery Charger

Piano Wire Spring – Tensile Test

Convenient LED Battery Charge Indicator Light

Spring Loaded Sliding Battery Charging Platform

Auto-Detect Charging Function

Low Voltage Activation Function

Input: DC 5V/2A

Reverse Polarity Protection

Over Charging Protection

Activation Recovery Function

Stops Charging Automatically

Quality Certification

Compatible with 20700, 26650, 18650, 18350, 17340, 16340, 14500, 10440 and 26500 batteries


Fire Retardant PC Material

Intelligent Single Bay Battery Charger

Piano Wire Spring – Tensile Test

Micro USB Port

You Receive:

  • Efest Slim K1 Charger
    • MicroUSB Cable
    • User Manual

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