EFEST LUC Smart Charger - V4

(11 reviews) Write a Review
  • Fast Shipping

  • Easy Returns

  • Secure Payment

Frequently Bought Together

Please choose options for all selected products

Introducing the Efest LUC V4 Multi-function Smart Charger. Incorporating a USB Port which allows you to charge your Mobile phone as well!

The LUC has FOUR battery channels to charge:
  • 10440
  • 16340
  • 14500
  • 14650
  • 17500
  • 17670
  • 18350
  • 18490
  • 18500
  • 18650/18700
  • 22650
  • 26500/26650 ect
  • Li-Mn or Li-ion

  1. HD mini LCD screen displays precise voltage and battery capacity level.
  2. Each charging channel has independent display of charging status.
  3. Automatically adjusts discharge current to charge different size battery.
  4. 4 kinds of protection - over-discharging, over-voltage, short-circuit and reverse polarity protection.
  5. Automatically stops when fully changed.
  6. With DC wide voltage (12-24V) charging mode

  • Input voltage: DC 12-24V
  • Output voltage: 4.1 ±1%
  • 500mA CC current: > 450mA
  • 1000mAh CC current: > 950mA
  • Cut-off Voltage: 4.2V ± 0.05V
  • 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: 0-40°C
  • Storage Temperature : -40 - +70°C
  • Compatible batteries: 10440, 16340, 18350, 18500, 18650, 26650 and so on.

Certification: CE, RoHs, UL( for the plug)

  • Once the external Power or car charger adapter is connected with the LUC charger, the system begins to self-inspect and battery inspection.
  • LUC charger can change between 500mA or 1000mA current up to different size batteries. Automatically changes to 500mA when batteries is: 10440, 16340, 14500, 18350, 18500, 17500, or changes to 1000mA when battery is: 17670, 18650, 18700, 26500, 26650, 22650 batteries. CV is 4.23V.
  • LCD display ‘Er’(short for Error), charger will be stopped charging automatically when battery voltage is under 2V within 5 seconds, “Er” mark on LCD screen will disappear once battery were took off.
  • Charging Status: with battery voltage and the sign of capacity flickers on LCD screen. Cell fully charged: with battery voltage and the sign of capacity is marked three lines without flicker. Cells fully charged: with battery voltage and the sign of capacity is marked four lines without flicker.
  • When inserting a battery with the wrong positive or negative end, LCD will shows ‘Error’ and stop charging, please insert the batteries to correct polarity.



USB output operation:

  • When using usb output, the symbol will flash when the battery is nearly empty
  • When usb output is on, but unloaded, it will draw about 12mA.
  • Usb output turns off after about 30 seconds with a load below 30mA.
  • It is not possible to turn off the usb output with the switch.
  • When mains power is connected, the usb output is off. The USB Output power source comes from the installed batteries.
  • Usb output is coded as Apple 1A
  • Usb output will turn off when overloaded


You Receive:
  • Efest LUC Charging system
  • AC and Car Charging adapter/cords
  • Full Color Manual
  • Presentation Box
60 days

11 Reviews Hide Reviews Show Reviews

  • 5

    Posted by Warren Savage on 17th Jan 2021

    Great product and highly recommended.

  • 5
    Smart Charger

    Posted by Sylvia on 28th Nov 2019

    Love this new charger, so much better than my old Nite-Core. Charges 4 Batteries at once. Never run out.

  • 5
    Efest Luc Smart Charger

    Posted by Ryan Gibson on 29th Jun 2019

    Excellent product, charges my vape batteries fast.

  • 5
    Best charger ever

    Posted by Leanne Shales on 2nd Jun 2017

    I mainly bought this charger because it came with a car charger as well so i could take it camping at christmas time.

  • 5
    great charger with usb port

    Posted by JAKUB EXNER on 3rd Oct 2014

    I must say its a good charger with constant stable current prevent IMRs to be damaged. Three levels of charging gives perfect solution for capasity on them nbtime also. I am nicely ipressed by really awesome n very informative lcd screen though paper carboard box gives a eco elegant design but i must say I went trough the puzzle how to charge portable via usb then i realised I wasn&#039;t getting it right so actually to charge the phone you need to connect d charger insert battery as I did it on second channel then unplug the power cable n press d square button belowe d screen to set on charging mode. Am I give it the instruction here ?lol. I guess cos before I figure out that I tried all combinations but I forgot to unplug the power and thought usb is faulty. So the charger works also as a independent usb phone charger for the phone.
    Pretty good charger overall and well made.

  • 5
    Terrific Charger

    Posted by Sarah and Jim on 25th Sep 2014

    My Nightcore charger packed it in, I bought this one and it leaves the Nightcore for dead I love the 4 bay option and it is supper quick on my 18650 mod batteries even running at 0.5A The display is great as it gives me by battery levels as well. Thanks Vapeking a great product.

  • 5

    Posted by Tonny Kristensen on 25th Feb 2014

    The 4Bay LUC Multi Function Smart Charger is one of the best and coolest chargers you can get and at this price I Received mine today, have run about 3 batteries through it, excellent feedback from the display, batteries come off the charger at 4.2V on the nose.
    Thanks again Vapeking for this Product, Price and for speedy Shipping

  • 5
    The best

    Posted by Unknown on 30th Jan 2014

    Up graded from the trust fire, easy to read, has 3 modes, charged display, has it all, very happy, Thanks Brian

  • 5
    I can stop wasting money on chargers now!!!

    Posted by CharmaineE on 18th Jan 2014

    People: stop wasting money buying inferior chargers!!! Buy this one, its so good! Since i started vaping 3+ years ago i have tried numerous chargers and after buying this one i can stop looking for the best. YAY for the EFEST LUC SMART CHARGER - V4 and cheers to VapeKing for stcking it :D