SLIM K4 Charger is a intelligent charger that with a Type-C USB charging port. It is compatible with Lithium IMR 3.6V/3.7V batteries: 10440, 14500, 16340, 17340, 18350, 18490, 18500, 18650, 26500, 26650, 20700, 21700. LED indicator will show you the status of charger: indicator turns blue in standby mode/full charged, white color in charging. SLIM K4 Charger is designed with some smart functions, such as auto-detect charging, monitors and charges each slot independently, low voltage smart activation recovery function, 0V activation recovery function. Besides, it is safe for you to use with built-in intelligent protection chip.

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Features:

•  LED indicator description
•  Auto-detect charging
•  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
•  Type-C USB charging port design
•  Built-in intelligent protection chip
•  0V activation recovery function
•  High quality ABS fire-retardant material & electronic component
•  Safety protections: Short Circuit/Automatic Over-charging/Automatic Over-discharging/Reverse Polarity/0V Activation Recovery/Hardware and Software Double Protection

Includes:

•  Efest SLIM K4 Charger
•  Manual Card