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Efest Slim K2 Dual Bay Intelligent Charger - Efest


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The Efest Slim K2 Charger is a 2-bay charger that supports charging at up to 1AMP per battery (when paired with a 2+ Amp wall charger).  The EFEST K2 features reverse polarity protection, over-charging detection, and short circuit protection. Each charging bay has a LED light indicator on top to display the status of your charge.    


  • Fast charging: Up to 2A (1A per Bay)
  • Portable design with high-quality springs
  • Charge Status LED Indicator (White indicates charging, Blue indicates charging complete)
  • Reverse polarity protection
  • Auto detect charging function
  • Over charging protection
  • Short circuit protection


  • DC Power Input: 5V 2A 
  • DC Power Output: 5V 2A
  • Auto Cut-off: 4.2V
  • Auto Charge Start: 4.1V
  • Supports: 10440, 14500, 14650, 16340, 16650, 17650, 17670, 18350, 18490, 18500, 18650, 20700, 26500, 26650

Kit Includes:

  • Slim K2 Charger 
  • USB cable
  • Warranty card
  • Operation manual

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