---
title: Efest LUC V4 USB Battery Charger
date: 2025-10-30T12:11:00Z
modified: 2026-05-12T10:24:10Z
permalink: "https://rainbowvapes.co.uk/product/efest-luc-v4-usb-battery-charger/"
type: product
status: publish
excerpt: "🔋 Efest LUC V4 Type-C Charger – Reliable, High-Speed Charging\\n\\nThe Efest LUC V4 Type-C Charger is a premium 4-bay charger built for versatility, efficiency, and safety. Compatible with a wide range of Li-ion and Ni-MH/Ni-Cd batteries, it delivers fast, intelligent charging with automatic detection and multiple safeguards to protect your cells. Whether powering vape mods, flashlights, or electronics, the LUC V4 is a dependable choice for everyday battery charging.\\n\\n\\n\\n\\n\\n 	\\n\\n🔄 Universal Compatibility – Works with 3.6V/3.7V Li-ion & 1.2V Ni-MH/Ni-Cd batteries (10440, 14500, 18650, 20700, 21700 & more)\\n\\n\\n\\n 	\\n\\n⚡ Rapid Charging – 5V/3A DC input for efficient multi-bay charging\\n\\n\\n\\n 	\\n\\n🛡 Smart Safety System – Overcharge protection, auto cut-off, and low ripple output\\n\\n\\n\\n 	\\n\\n🔋 Intelligent Auto-Recharge – Detects voltage and recharges automatically when needed\\n\\n\\n\\n 	\\n\\n🌡 Built for Reliability – Operates between 0°C–40°C, stores safely at -40°C–70°C"
wpid: 299805
product_brand:
  - Efest
product_type:
  - simple
product_visibility:
  - rated-1
product_cat:
  - Efest 18650 Batteries and Chargers
  - Chargers & Batteries
  - New
featured_image: /wp-content/uploads/2025/10/efest-luc-v4-usb-charger.jpg
featured_image_alt: efest luc v4 usb charger
timestamp: 2026-05-12T10:24:10Z
tags:
  - Efest
  - simple
  - rated-1
  - Efest 18650 Batteries and Chargers
  - Chargers & Batteries
  - New
---

# ⚡ Efest LUC V4 Type-C Charger – 4 Bay Intelligent Battery Charger

The **Efest LUC V4 Type-C Charger** is a **high-performance, 4-slot battery charger** designed for **efficiency, speed, and safety**. Whether you’re powering up **flashlights, vape devices, or other electronics**, this charger ensures your batteries stay topped up and ready when you need them most.

With **universal battery compatibility**, **fast USB Type-C charging**, and a range of **intelligent protection features**, the LUC V4 is the perfect choice for users who demand **reliable charging and peace of mind**.

![efest luc v4 usb charger features](https://rainbowvapes.co.uk/wp-content/uploads/2025/08/efest-luc-v4-usb-charger-features-scaled.jpg)

---

### 🔧 Key Features

🔋 **Universal Battery Support**

- Works with 3.6V/3.7V Lithium-Ion IMR batteries and 1.2V Ni-MH/Ni-Cd batteries.
- Compatible with popular sizes including: **10440, 14500, 16340, 17340, 18350, 18490, 18500, 18650, 20700, 21700, 26500, and 26650**.

⚡ **Rapid Charging Performance**

- USB Type-C input with **DC 5V/3A power**.
- Fast and efficient charging for up to **4 batteries simultaneously**.

🛡 **Advanced Safety Features**

- Overcharge prevention and automatic cut-off at **4.2V ± 0.05V**.
- Low output ripple for stable, consistent charging.
- Intelligent **auto-recharge function** detects when a battery needs topping up.

🌡 **Reliable & Durable**

- Safe operating range: **0°C to 40°C**.
- Extreme storage tolerance: **-40°C to +70°C**.
- Built for long-term, dependable use.

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### 📦 What’s in the Box?

- 1 x **Efest LUC V4 LCD Screen Type-C USB Charger**
- 1 x **USB Type-C Cable**
- 1 x **Scratch-off validation serial number**
- 1 x **User Manual & Warranty Service Card**

---

### ⚙ Technical Specifications

- **Input (AC):** 100V–240V, 50/60Hz (standard US plug)
- **Input (DC):** 5V 3A (car adapter compatible)
- **Output:** DC 5V 3A
- **Cut-off Voltage:** 4.2V ± 0.05V
- **Slots:** 4 independent channels

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✅ **Supports 18650, 20700, 21700, 26650 and more**
✅ **Fast Type-C USB charging**
✅ **Built-in LCD screen for clear status monitoring**
✅ **Safe, reliable, and intelligent battery management**

🔥 The **Efest LUC V4 Type-C Charger** is the ultimate choice for anyone looking for a **versatile, durable, and high-speed 4-slot charger** that works seamlessly with a wide range of battery types.