Efest SLIM K4 USB-C Charger Cost-effective and easy to use, Efest SLIM K4 charger comes with novel 7 languages packaging and user manual! Incredibly lightweight and conveniently portable.

DOES NOT COME WITH THE WALL ADAPTOR.

Specs:

Input power-------------------------------DC 5V 2A
2*1A CC current------------------------2000mA+10%
1*1A CC current----------------------1000mA+10%
4*0.5A/3*0.5A CC current-----------500mA+10%
Auto cut-off voltage------------------4.20+0.05V
CV cut-off current --------------------<100mA
Standby current------------------------<20mA
Activation current---------------50mA~100 mA
Auto recharge voltage------------410+0.10V
Operation Temperature------------0C ~ 40 C
Storage Temperature-------------40 C ~ +70 C

Compatible with Lithium IMR 3.6V/3.7V Batteries:

10440, 14500, 16340, 17340, 18350, 18500, 18490, 18500, 18650, 26500, 26650, 20700, 21700.

LED INDICATOR DESCRIPTION:

After insert the battery to the slop correctly, SLIM K4 will charge the battery automatically in a few seconds.
Indicator in standby mode/fully charged turns blue color, white color while in charging.

FEATURES:

Auto-detect charging current: 2X1.0A/ 1X 1.0A/ 4X05A / 3X0.5A
Safe charging mode: CC & CV
Safe and convenient USB charger (5V 2A)
Monitors and charges each slot independently
Low voltage smart activation recovery function
Incredibly lightweight and conveniently portable

CRAFTSMANSHIP:

Spring made by piano wire, it provides a smooth sliding action when installing and removing batteries
Steel cathode with low resistance and hard chromium plating processing to achieve a more precise charging voltage.
15,000+ times spring testing quality warranty.

6 Protection Levels, Built-in Intelligent, Protection Chip

Short circuit protection
Automatic over-charging protection
Automatic over-discharging protection
Reverse polarity protection
0V activation recovery function
Hardware and software double protection

Do NOT leave batteries charging unattended/overnight!

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