USA Deal: Efest Lush Q4 Charger $11.34 
Use coupon code 30CVD at checkout (click coupon to copy)
This offer was manually verified by our deal experts and is active as of November 10, 2025. We’ve worked with this merchant so long that we are confident that this deal won’t expire in the near future.
Grab the intelligent Efest LUSH Q4 Charger now for an extraordinary low price of just $11.34 by using our exclusive coupon code! This is a verified discount to upgrade to a trustworthy four-bay charger without overspending. We sourced this offer from a reputable US vendor we’ve maintained a strong relationship with for many years. Rest assured this charger will ship fast and from the USA.
The LUSH Q4 often retails for $25 or more. At under $12, you are getting exceptional value for a highly convenient 4-bay charger that includes key safety features and 21700 compatibility.
You may also be interested in the Efest LUC V4 4-Bay Charger or Nitecore I4 Intellicharger.
Lush Q4 Charger – Precision Charging: Maximize Efficiency and Battery Life
The Efest LUSH Q4 Intelligent Battery Charger is the ideal solution for vapers seeking a safe, high-speed, 4-bay charger without the complexity of manual settings. It is engineered with a four-bay system and automatic current detection, allowing it to seamlessly charge all popular battery sizes, including the power-dense 21700s. Its “no-button” simplicity automatically selects the optimal charging rate: a lightning-fast 2.0A when only one cell is inserted, down to 0.5A when all four slots are occupied. Built with fire-retardant materials and comprehensive safety protocols, the LUSH Q4 is a dependable piece of hardware for managing your essential 3.7V batteries.
Core Assessment: Advantages and Critical Limitations
- Pro: Full compatibility with the crucial 20700 and 21700 battery formats, accommodating all modern vaping cells.
- Pro: Simple no-button operation automatically selects the charging current (2.0A, 1.0A, or 0.5A) for convenient, foolproof use.
- Pro: Features 2.0A rapid charging when a single battery is inserted, significantly cutting down on charge time.
- Pro: Built with high-quality, fire-retardant PC material and features durable piano wire springs for long-term reliability.
- Con: Lacks an LCD screen; charging progress is indicated only by color-changing LEDs, which is less precise than a full digital readout.
- Con: The automatic charging current selection means advanced users cannot manually force a slower 0.5A charge rate on a single battery for longevity purposes.
Performance Data: Amperage, Capacity, and User Gains
- 4-Bay Capacity: Features four independent charging channels capable of handling battery sizes from 10440 up to large 26650, 20700, and 21700 formats.
- Intelligent Current Selection: Automatically adjusts the charging current based on the number of installed cells: 2.0A x 1 slot, 1.0A x 2 slots, or 0.5A x 4 slots, optimizing safety and speed.
- Complete Safety Suite: Incorporates comprehensive electronic safeguards, including Reverse Polarity Protection, Short-Circuit Protection, and Automatic Overcharge Cut-off.
- Activation Function: Capable of safely recovering (waking up) over-discharged batteries that have dropped to or above 0.6V.
- Material Quality: Constructed from highly durable and fire-retardant PC material for maximum safety and longevity.
- Reliable Hardware: Utilizes high-quality, low-resistance steel cathodes and piano wire springs for smooth, accurate contact and battery insertion.
- Auto-Recharge Feature: Will automatically begin charging if a battery’s voltage drops below 4.05V, ensuring the cells are always fully charged.
⚠️ SAFETY NOTE
While this charger is highly safe, you must never leave charging batteries unattended, and you must inspect all battery wraps for damage before inserting them into any charger.
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