Efest SLIM K4 USB-C Intelligent Battery Charger

Efest SLIM K4 USB-C Intelligent Battery Charger 

Lightweight and portable, the Efest SLIM K4 Charger is cost-effective and user-friendly.

LED Indicator

Insert battery, SLIM K4 charges automatically in seconds, blue when charged, white when charging.

Features

• Auto-detect charging current: 2 x 1.0A / 1 x 1.0A / 4 x 0.5A / 3 x 0.5A
• Safe charging mode: CC & CV
• Safe and convenient USB Charging (5V 2A)
• Monitors and charges each slot independently
• Low voltage smart activation recovery function
• Incredibly lightweight and conveniently portable

USB Port Design

Type-C USB port reduces the heat of the port effectively

6 Protection Levels

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

Specs:

• Input Power: DC 5V 2A
• 2 x 1A CC Current: 2000mA +- 10%
• 1 x 1A CC Current: 1000mA +- 10%
• 4 x 0.5A / 3 x 0.5A CC Current: 500mA +- 10%
• Auto Cut-Off Voltage: 4.2V +- 0.05V
• CV Cut-Off Current: <100mA
• Standby Current: <20mA
• Activation Current: 50mA ~ 100mA
• Auto Recharge Voltage: 4.1V +- 0.1V
• Operation Temperature: 0C ~ 40C
• Storage Temperature: -40C ~ +70C

Battery Types Supported: 10440 / 14500 / 16340 / 17340 / 18350 / 18490 / 18500 / 18650 / 26500 / 26650 / 20700 / 21700