(2 reviews)



Earn up to 11 Points.

  • Quickly charge your batteries
  • On the go, quick charging universal battery charger is great to keep on hand
  • Never be stuck with dead flashlight batteries again
  • Compact, versatile, and durable means you can throw it in your bag/car, and take it with you anywhere
  • Charges a whole range of batteries and connects to any USB port
  • Efest Slim K2 is a professional portable two-slot Li-ion Battery charger with a Micro USB charging port. Packed into its incredibly small body making it highly portable and yet has every function you would expect in a smart charger, from fast charging to reverse polarity protection. A quality yet trendy looking charger for customers on the go, the Efest Slim K2 will not let you down.

        Convenient LED Indicator

        1A fast charge
        Accepts 3.6V or 3.7V batteries of various sizes
        Reverse polarity protection
        Auto-detect charging
        Over-charge protection
        Short circuit protection
        Micro USB to USB Connection making this very portable!

        Two slots each charge at 1A each! (Incredible feature when comparing to other chargers available on    market.


18490 18500 18650 18700 20700 21700 25500 26650 

Categories: ,

Compatible with: 20700,26650,18650,18500,18350,17340,16340,14500,10440,26500

AC input power: AC 100-240V 50/60Hz
DC output power: DC 5V 2A
Auto cut-off voltage: 4.2 +/- 0.05V
Storage Temperature: -40°C +70°C
DC input power: DC 5V 2A
1A CC current: 1000mA +/- 10%
CV cut-off current <100 mA
Activation current 50mA – 100mA
Opertation Temperature: 0°C – 40°C

2 reviews for EFEST SLIM K2 CHARGER

  1. Arnel Dalida (verified owner)

    quick charge, always bring in my travel

  2. mwilso17 (verified owner)

    Nice small charger from a reliable Company.

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