K2 Charger

EFEST K2 Charger:

The Efest Slim K2 smart charger is a two-bay battery charger, designed to recharge multiple types of vape batteries. Compact in size, the K2 can charge two batteries at the same time with a recorded 1A charge output.

Key Features:

  • Two Spring-Loaded Bays
  • Supports Multiple Battery Types
  • Built-In Protection
  • LED Indicators
  • 1A Charge Output

Staff Opinion:
The most portable charger we could find
The Efest K2 Charger is the perfect companion for long trips out when you need to charge batteries! Boasting the ability to plug into most outputs with the USB Charging and the small size this charger is amazing for those long days out!
By Max.

What is the Efest K2 Charger?

When charging, two mounted LED indicators display the charge level of your batteries, glowing blue when fully charged. When not in use we recommend you unplug and store the K2 safely.

There are multiple safety protections built into the Efest K2 Charger; these include: reverse polarity protection and overcharge protection.

A full list of compatible batteries can be found in the user manual; these include 18500 batteries, 18650 batteries and 20700 batteries. Always check your batteries are compatible with the K2 before charging.


  • Two Spring-Loaded Bays
  • Built-In Protection
  • LED Indicators
  • 1A Charge Output
  • USB Charging

What’s in the box:

  • 1 x Efest K2 Charger
  • 1 x Micro USB Lead
  • 1 x User Manual
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