LUC V2 / V4 Battery Charger by EFEST

The Efest LUC V2 / V4 battery charger is available in a 2-bay or 4-bay option. Suitable for use with Li-ion rechargeable batteries it has a charging output of upto 1000mA (1A).

The option of two charging modes is available, 0.5A and 1A, these modes are easily adjusted via  the button located on the bottom of the charger. The LCD screen at the top of the charger displays information relevant to each bay in use. Each bay will independently display the voltage of that battery along with the charged percentage.

The LUC charger has an additional feature that allows the device to be used as a power bank via fully charged batteries. Simply attach the phone or equipment to the LUC charger via the USB port.  Once the phone is charged and access to 12v or 240v power is available the discharged batteries can be recharged again. The LUC V2 comes with a 240v wall charger plus the 12v charger cable.

Compatible Li-ion Batteries:

  • 10440, 14500, 14650, 16340, 16650, 17650, 17670, 18350, 18490, 18500, 18650, 20700, 26650, 26500

**21700 Batteries are NOT compatible with this charger**  


  • Ability to charge 2 batteries simultaneously
  • Two charging modes: 0.5A, 1A
  • LCD display
  • Automatic battery detection
  • Independently Channel Charging
  • Over-discharge protection
  • Over-voltage protection
  • Short circuit protection
  • Reverse polarity protection

Charging will stop automatically when the battery reaches 4.2 volts and restart when the voltage drops below 4.1 volts. The reactivation function can safely reactivate batteries >0.6 volts.

Input: AC 100V-240V 50/60Hz or DC 12V Output: 4.2V +/-.05V

Output: 0.5A or 1A


LUC V4 Elite LCD HD Battery Charger by EFEST

The LUC V4 Elite charger features all the same functions of the original LUC with some additional performance enhancing upgrades. Made from high quality ABS materials for peak performance and fire retardant materials for extra peace of mind.

A larger digital HD LCD screen clearly displays a multitude of information independently to each bay. The 4 charging bays are capable of charging at varying charging speeds and can effectively charge a variety of Li-ion, NiMH and NiCd batteries. The power bank feature has been improved and has protection features.


  • Ultra-functional HD LCD Screen
  • 4 Independent Charging Bays
  • AC Input Power: AC 100-240V 50/60Hz / DC Input Power: DC 12V 2000mA
  • Double USB Output Power: USB 5V 1000mA
  • USB Output Floating Current: <5mA
  • Automatic Cut-Off Voltage: 4.20 ± 0.05V
  • CV Cut-Off Current: <10%
  • Standby Current: < 100Ma
  • Activation Current: <100Ma
  • Auto Recharge Voltage: 4.10V ± 0.1V
  • Operation Temperature: 0°C – 40°C
  • Storage Temperature: -40°C – 70°C
  • Safe Charging Mode: CC & CV
  • Support Fast Charge: 4X1.0A / 2X2.0A (Li-ion only)
  • USB Outputs Function
  • DC 12V/2A Adapter
  • Power Bank Function
  • Simultaneous Input and Output Functionality
  • Humanized Energy Saving Function
  • German Piano Wire Spring
  • Low Resistance Cathode & Hard Chromium Plating Recondition
  • Refresh Old or Over-Discharged Batteries
  • CE, EMC, LVD, FCC, RoHS Certified

Safety Features:

  • 0V Activation Recovery Function / Reverse Polarity Protection / Short-Circuit Protection / Automatic Over-Charging Protection / Automatic Over-Discharge Protection / Hardware & Software Protection / Error Reporting Protection / Energy Save Protection /

Compatible Li-ion/IMR Batteries:

  • 10440 / 14500 / 14650
  • 16340 / 16650 / 17650 / 17670
  • 18350 / 18490 / 18500 / 18650
  • 20700 / 21700 / 26650 / 26500

Compatible NiMH / NiCd 1.2V Batteries:

  • A / AA / AAA / SC / C


**Please Note Fully charged batteries must be installed for the USB power bank feature to work

Weight0.5 kg
Charger Model


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