Efest Slim K2 Lithium ion Battery Charger

Bulk BatterySKU: EFS-K2

Sale price$6.99

Customer Reviews

Based on 2 reviews
Kenneth P.

Efest Slim K2 Lithium ion Battery Charger

Peter Y.
Handy too have

I use the charger all the time, works excellent, love buddy products, fast shipping, great prices, thanks, BuddyRc, your loyal customer


Efest Slim K2 Lithium ion Battery Charger

Product Highlights:

  • 2 Bay Compact USB Charger
  • Single charging speed - 1A x 2
  • LED charging indicator
  • Compatible with 18650, 20700, 21700, 26650 and more
  • Reverse polarity protection protects if cell is entered in the wrong way

Packaging Contents:

  • Efest Slim K2 Battery Charger
  • USB Cable
  • User Manual

Additional Features:

  • Fast Charging Mode: 1.0A
  • Auto Detect Charging Function
  • Low Voltage Activation Function
  • Short Circuit Protection
  • Reverse Polarity Protection
  • Over Charging Protection
  • Piano Wire Spring Provides Smooth Sliding Action - 15000+ Tensile Test
  • Chromium Plated Steel Cathode Insures Low Resistance While Achieving A More Precise Charging Voltage


Input: DC 5V 1A
Standby Current: <20mA
Activation Current: 50mA - 100mA
1.0A CC Current: 1000mA ± 10%
Auto Recharge Voltage: 4.10V ± 0.10V
Auto Cutoff Voltage: 4.20V ± 0.05V
CV Cutoff Current: <100mA
Operation Temperature: 0°C ~ 40°C

Compatible with:

3.6V/3.7V Lithium-ion Batteries
Most Cylindrical Lithium-ion Batteries Ranging In Size From 10440 To 26650

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