Efest Slim K1 Single Battery charger


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Charge a single battery with the Slim K1 from efest!


Efest Slim K1 Single Battery charger

Efest Slim K1 Single Battery charger is a sleek and compact single battery charger that integrates an intelligent auto-detect charging function. The Slim K1 can accept a myriad of battery sizes ranging from 26650 to 10440 cell size and can be charged via MicroUSB cable at the AC Input. Ideal for those with a single battery box mod, the SLIM K1 can be used as a travel charger due to its size. A spring-loaded negative contact locks the battery in place, maintaining a definite connection, to provide ample 1000mAh recharging speeds. Constructed from flame-retardant materials, the SLIM K1 is a safe and efficient charger for high-amp batteries and their assigned applications.


  • Made from Fire Retardant PC Material
  • Single Slot 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
  • Standard Mode: 1000mA*1 MAX
  • Input: DC 5V/1A
  • Reverse Polarity Protection
  • Over-Charging Protection
  • Short-Circuit Protection
  • Activation Recovery Function
  • Stops Charging Automatically
  • MicroUSB Port
  • Compatible with 20700, 26650, 18650, 18500, 18350, 17340, 16340, 14500, 10440, 26500

Package Contents: 

  • 1x Efest Slim K1 Single Battery charger
  • 1x MicroUSB Cable
  • 1x User Manual
SKU: efest-slim-k1-single-battery-charger Category: Brand: