Efest LUC V4 Elite Charger Review
The Efest LUC V4 Elite Charger upgrades the popular LUC V4 platform with a larger HD LCD display, flexible charging rates, four independent charging bays, and enhanced battery monitoring. Designed for convenient everyday battery management, the display provides real-time information including charging current, voltage, and battery status.
With support for a broad selection of rechargeable battery sizes, the LUC V4 Elite is an excellent choice for users who need one charger for multiple battery formats. It supports popular 18650, 20700, and 21700 Li-ion batteries along with numerous additional Li-ion and NiMH/Ni-Cd sizes.
Four Independent Charging Bays
Four charging slots allow multiple compatible batteries to be charged simultaneously. Adjustable charging rates provide additional flexibility, with Li-ion charging options of 0.25A, 0.5A, 1A, and up to 2A depending on the number of batteries and slots being used.
The charger supports up to 4 × 1A charging or 2 × 2A fast charging for compatible Li-ion batteries.
Large HD LCD Battery Display
The upgraded HD LCD screen makes it easy to monitor multiple batteries at once. Charging information such as battery capacity, current, and voltage is displayed directly on the charger for convenient real-time monitoring.
Wide Battery Compatibility
The Efest LUC V4 Elite battery charger supports a wide variety of rechargeable battery sizes, making it particularly useful for users with several different battery-powered devices.
Compatible 3.6V/3.7V Li-ion/IMR sizes include:
10440, 14500, 14650, 16340, 16650, 17650, 17670, 18350, 18490, 18500, 18650, 20700, 21700, 22650, 25500, 26500, and 26650.
Compatible 1.2V NiMH/Ni-Cd sizes include:
A, AA, AAA, SC, and C.
USB Power Output
In addition to charging rechargeable batteries, the LUC V4 Elite includes a 5V/1A USB output, adding convenient USB power functionality for compatible devices.
Built-In Charging Protections
Efest incorporates multiple hardware and software protections into the charger to help provide dependable operation. Features include automatic cut-off, error reporting, low-voltage monitoring, and multiple protection levels designed to manage the charging process safely and efficiently.
Specifications & Attributes
| Attribute | Specification |
|---|---|
| Brand | Efest |
| Product Type | Battery Charger |
| Charging Bays | 4 |
| Display | HD LCD |
| Battery Chemistry | Li-ion / IMR, NiMH, Ni-Cd |
| Li-ion Battery Compatibility | 10440, 14500, 14650, 16340, 16650, 17650, 17670, 18350, 18490, 18500, 18650, 20700, 21700, 22650, 25500, 26500, 26650 |
| NiMH/Ni-Cd Compatibility | A, AA, AAA, SC, C |
| Li-ion Charging Rates | 4 × 0.25A / 4 × 0.5A / 4 × 1A / 2 × 2A |
| NiMH/Ni-Cd Charging Rates | 4 × 0.25A / 4 × 0.5A |
| Maximum Charging Current | 2A |
| Charging Method | CC / CV |
| AC Input | AC 100–240V, 50/60Hz |
| DC Input | DC 12V / 2A |
| USB Output | 5V / 1A |
| Auto Cut-Off Voltage | 4.20V ± 0.05V |
| Auto Recharge Voltage | 4.10V ± 0.1V |
| Operating Temperature | 0°C–40°C |
| Construction | ABS |
| Safety Features | Low-voltage warning, auto cut-off, error repo |
Efest LUC V4 Elite Charger Features
- Four independent battery charging bays
- Large HD LCD information display
- Up to 4 × 1A Li-ion charging
- Up to 2 × 2A Li-ion fast charging
- Selectable charging currents
- Supports Li-ion and NiMH/Ni-Cd batteries
- Compatible with 18650, 20700, and 21700 batteries
- 5V/1A USB output
- CC/CV charging
- Automatic charging cut-off
- Hardware and software protection systems
- Error reporting protection
- Energy-saving functionality
Package Contents
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- 1 × Efest LUC V4 Elite Charger
- 1 × DC 12V/2A Power Adapter





