Efest Slim K4 USB-C Charger

The Efest Slim K4 USB Type-C Charger is an intelligent, four-bay, lithium battery charger for vapes, with a Type-C USB charging port. The SLIM K4 Charger can charge four batteries at once and is designed with some smart functions, such as:auto-detect..

  • Ex Tax: $18.19
  • Product Code: M00000832
  • Availability: In Stock
$18.19

The Efest Slim K4 USB Type-C Charger is an intelligent, four-bay, lithium battery charger for vapes, with a Type-C USB charging port. The SLIM K4 Charger can charge four batteries at once and is designed with some smart functions, such as:

  • auto-detect charging
  • monitors and charges each slot independently
  • low voltage smart activation recovery
  • 0V activation recovery.

It is a safe battery charger to charge your electronic cigarette (e-cigarette) external batteries with its built-in intelligent protection chip.

Charge practically any size Lithium Ion (Li-ion) IMR 3.6V/3.7V batteries, including: 10440, 14500, 16340, 17340, 18350, 18490, 18500, 18650, 26500, 26650, 20700, 21700.

The LED indicator will show you the status of charger. The indicator light will turn

  • blue in standby mode/full charged
  • white while charging.

Please note:

  • A USB port with at least 2A output is recommended.
  • See our battery safety blog post for information on safely using your e-cigarette batteries.

Features & Specs

  • Compatible with: Li-ion 10440, 14500, 14650, 16340, 16650, 17650, 17670, 18350, 18490, 18500, 18650, 20700, 21700, 26500, 26650
  • Charging rate: 4 x 0.5A, 3 x 0.5A, 2 x 1A, 1 x 1A
  • Auto voltage cutoff: 4.20V±0.05V
  • Operation temperature: 0˚C - 40˚C
  • Input: Type-C USB DC 5V 2A
  • Output:
    • 4.35V±1%
    • 4.2V±1%
    • 3.7V±1%
    • 1.48V±1%

Package content

  • Efest Slim K4 USB-C Charger
  • Type-C USB power lead
  • User manual
  • Warranty card

This product does NOT contain nicotine

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