Efest Slim K4 2A Fast Charging USB-C Battery Charger

Charging Status: White Color = Charging, Blue = Fully Charged

The Efest Slim K4 is a professional portable 4 slot Li-ion battery charger with a USB-C charging port. It has a fast-charging mode that is 2.0A (4.2V 2pcs x 2.0A) and can accept 3.6V or 3.7V lithium batteries in various sizes (sold separately). The Efest Slim K4 features reverse polarity protection, activation function, auto-detect charging function, over-charging protection, and short circuit protection. The spring in the charger is made of piano wire that provides smooth sliding action when installing and removing batteries and a steel cathode with low resistance and hard chromium plating processing is used to achieve a more precise charging voltage. Each slot on the Efest Slim K4 Charger monitors batteries separately and has a convenient LED indicator that displays battery life.

Product Specification:
Compatible with: 18350, 18490, 18500, 18650, 20700, 21700, 26650 batteries, Can charge 4 batteries at the same time (all sizes)
AC Input Power AC 100-240V 50/60Hz
DC Output Power DC 5V 2A
Auto Cut-Off Voltage 4.20±0.05V
Standby Current <20mAh
Auto Recharge Voltage 4.10±0.10V
Storage Temperature -40℃~+70℃
DC Input Power DC 5V 2A
1A CC Current <100mAh
CV Cut-Off Current < 100mAh
Activation Current 50mA~100 mA
Operation Temperature 0℃~40℃
Charging Port: USB-C

Product Includes:
1x Efest Slim K4 Charger
1x USB-C Cable
1x Operation Manual
1x Warranty Card