Efest Slim K1 Single Bay Battery Charger • USB


Charge your 18650 battery with the Efest Slim K1 Charger. The Efest Slim K1 Charger is a high quality, cost-efficient charger with a portable design.

The Efest Slim K1 Charger is a single slot charger with Micro USB input and charges at 1A. The LED indicates when your battery is charging and when the battery is fully charged.

The Efest Slim K1 Charger features reverse polarity, short circuit, overcharge protection and many more safety features.

The Efest Slim K1 Charger can charge different types of 3.6V/3.7V lithium batteries commonly used in electronic cigarettes, flashlights, electric tools, and more.


Features and Specs:

  • Compatible with: 10440, 14500, 14650, 16340, 16650, 17650, 17670, 18350, 18490, 18500, 18650, 20700, 26500, 26650
  • Portable Design with Quality Piano Strings
  • Battery Life LED Indicator Light
  • Single Slot 5V/1A Micro USB Charger
  • AC Input Power: AC 100~240V 50/60Hz
  • DC Output Power: DC 5V 1A
  • DC Input Power: DC 5V 1A
  • 1A CC Current: 1000mA (+/-10%)
  • Auto Cut-Off Voltage: 4.20 (+/-0.05V)
  • CV Cut-Off Current: <100mA
  • Standby Current: <20mA
  • Activation Current: 50mA~100mA
  • Auto Recharge Voltage: 4.10 (+/-0.10V)
  • Operation Temperature: 0C ~ 40C
  • Storage Temperature: -40C ~ 70C


Package Contents:

  • 1 x Efest Slim K1 Charger
  • 1 x Micro USB Cable

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