Efest LUC V4 Charger


Efest LUC V4 Charger

In stock


Efest LUC V4 Charger

Efest LUC V4 Charger is a muti-function smart charger. It can charge 4 separate batteries simultaneously with individual output displays on its HD mini LCD screen. Built-in smart technology provides protection from over or under charging batteries. With batteries inserted into the charger, the Efest LUC charger also doubles as a personal electronics or a smart phone charger via the USB port. The LUC V4 Charger will change between 500mA and 1000mA current up to different sized batteries. It changes automatacally to 500mA when battery size is 10440, 16340, 14500, 18350, 18500, 17500, and will change to 1000mA when battery is 17670, 18650, 18700, 26500, 26650, 22650. CV is 4.23V. When the LCD displays “Er” (short for Error), the charger will stop charging automatically. This will occur when battery voltage goes below 2V within 5 seconds. The “Er” mark on the LCD screen will disappear once the battery is removed from the charger. Batteries not included.


Efest LUC V4 Charger Specifications:

*Input Voltage: DC 12-24V
*Output Voltage:  4.1 ±1%
*Cutoff Voltage: 4.2V ±0.05V
*500mA CC current: > 450mA
*1000mAh CC current: > 950mA
*TC Current, 0.5-1A: ≤60-120mA
*Auto recharging Threshold Value voltage: 3.9V ± 0.15mA
*Activation Voltage ( battery voltage < 2V): 0.45 ±0.15mA
*Operation Temperature: 0-40ºC
*Storage Temperature : -40 – +70°C


Efest LUC V4 Charger Advantages:

*Mini LCD screen displays precise voltage and battery capacity level
*Each charging channel has independent display of charge status
*Automatically adjust discharge current to charge batteries of different sizes
*Over-discharge Protection
*Over-voltage Protection
*Short-circuit Protection
*Reverse Polarity Protection.
*Automatically stops when batteries are fully charged
*DC Wide Voltage (12-24V) Charging Mode
*The 4 battery bays can charge 10440, 16340, 14500, 14650, 17500, 17670, 18350, 18490, 18500, 18650, 18700,  22650, 26500 and 26650 lithium batteries (no spacers needed)


What you will receive:

*Efest LUC V4 Charger System
*AC and Car Charging adapter /cords
*Full Color User Manual
*Presentation Box


Please refer to the “Battery Use and Safety” link on Home Page of this website for further knowledge or visit batteryuniversity.com to learn more. Batteries and chargers on this website are to be used at your own risk!



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