Efest Slim K1 Battery Charger
Take a look at all of our Efest products!
 18650
 20700
 21700
 18650Product Highlights:
- 1 Bay Compact USB Charger
- Single charging speed – 1A x 1
- 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 K1 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
Specifications:
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
