The Hellvape Dead Rabbit 4 RTA is the latest evolution of Hellvape’s iconic Dead Rabbit series, designed for dual-coil builders who want improved flavor, smoother airflow, and easier building performance. Featuring a 48-hole honeycomb airflow design, a wider 13mm build deck, and a top-to-bottom leak-resistant airflow system, the Dead Rabbit 4 RTA focuses on refining real-world usability rather than changing the core identity of the series. With up to 5.5ml capacity and a redesigned airflow structure, it delivers improved cloud output and more consistent flavor performance for direct-lung (DL) vaping.
Table of Contents
Introduction

Few rebuildable tank atomizers have achieved the level of recognition enjoyed by the Dead Rabbit series. Over the years, Hellvape has continuously refined its flagship RTA platform while maintaining a strong balance between flavor intensity and cloud production.
The Hellvape Dead Rabbit 4 RTA continues this evolution, focusing on the areas experienced builders care about most — airflow consistency, build deck space, wicking stability, and leak resistance rather than reinventing the platform.
At first glance, the changes may appear modest. In actual use, however, the upgraded 48-hole honeycomb airflow system and wider 13mm build deck deliver a noticeably more refined vaping experience than previous generations.
For vapers seeking a modern dual-coil RTA that balances flavor intensity, cloud production, and ease of building, the Hellvape Dead Rabbit 4 RTA Review highlights exactly why this device stands out in its category.
Specifications
- Rebuildable Tank Atomizer
- 59g Net Weight
- Build Deck: 13mm Dual Coil (1mm Wider than Rabbit 3 RTA), 48-Hole Design
- E-liquid Capacity: 3.5ml (Straight), 5.5ml (Bubble), 2.0ml (TPD)
- Top-to-Bottom Airflow Channels
- Leakproof Design
- Slide-to-Open Top Fill Design
- 810 Drip Tip Compatible
- Colors: S.S/ Blue/ Gunmetal/ Gold/ Matte Black/Matte Full Black/ Black Gold
What Makes the Dead Rabbit 4 Different
Many RTAs claim better airflow or easier building. The Dead Rabbit tank stands out because Hellvape focused on improving the overall user experience rather than relying on a single standout feature.
The result is a rebuildable tank that feels more refined in everyday use while retaining the performance-oriented DNA that made the series successful.
The most noticeable improvements include:
- Upgraded 48-hole honeycomb airflow system
- Wider 13mm dual-coil build deck
- Top-to-bottom leak-resistant airflow structure
- Slide-to-open top fill system
Together, these refinements define what the Dead Rabbit 4 vape tank feels like in real-world use.
48-Hole Honeycomb Airflow System

The most significant upgrade on the Dead Rabbit 4 RTA is its 48-hole honeycomb airflow system integrated into the build deck and internal chamber airflow system. Compared to the previous generation’s 32-hole airflow structure, the additional airflow holes help distribute air more evenly around and beneath the coils.
Rather than relying solely on traditional slot airflow, the honeycomb-style configuration improves airflow precision and consistency, allowing air to reach a larger surface area of the coils. The result is smoother airflow, refined taste clarity, and improved cloud output, creating a more refined direct-lung vaping experience.
For direct-lung users, this upgraded airflow design represents one of the most noticeable improvements over previous generations.
13mm Dual-Coil Build Deck

The Dead Rabbit 4 features a 13mm dual-coil build deck, compared to the previous-generation 12mm deck, offering an additional 1mm of internal build space.
In practice, this extra space makes coil installation and positioning easier, particularly in dual-coil setups.
It also improves clearance for cotton placement and coil alignment, making the building process more comfortable and controlled.
Overall, the expanded deck design accommodates larger or more complex coil builds, improving usability for experienced users.
Top-to-Bottom Airflow Structure

Leak prevention has always been a key focus of the Dead Rabbit RTA platform.
Instead of using traditional bottom airflow, the Hellvape Dead Rabbit 4 features a top-to-bottom airflow structure that directs air through internal airflow pathways toward the coil chamber.
By reducing direct exposure of airflow in the bottom section, this design helps minimize the risk of e-liquid leakage during everyday use.
At the same time, airflow is still delivered efficiently to the coils, helping maintain smooth vapor production and consistent flavor performance.
Overall, this structure focuses on balancing airflow performance with improved leak resistance for DL vaping use.
Slide-to-Open Top Fill System

The Hellvape Dead Rabbit 4 RTA comes with a slide-to-open top fill system designed for faster and more convenient refilling.
The top cap slides open smoothly, allowing users to refill e-liquid without fully removing the top cap from the tank.
The refill port fits most standard e-liquid bottle tips, making the refilling process simple and mess-free.
This design improves daily usability while reducing the risk of leakage during the refilling process.
The tank also supports multiple glass options, including 3.5ml straight glass, 5.5ml bubble glass, and a 2.0ml TPD-compliant version for different regional requirements.
Kit Contents & Building Experience
The Hellvape Dead Rabbit 4 RTA ships with a well-rounded accessory kit that covers everything needed for a full dual-coil build right out of the box.
What’s in the Box

- 1 x Dead Rabbit 4 RTA
- 1 x Bubble Glass
- 2 x 0.37ohm Ni80 Clapton Coil
- 1 x Accessory Bag
- 2 x Shoelace Cotton
- 1 x Coil Cutting Tool
- 1 x User Manual
Build Deck & Coil Installation

The Dead Rabbit 4 features a 13mm dual-coil postless deck with an upgraded 48-hole airflow design, giving users significantly more space and airflow compared to previous generations.
Installing coils is straightforward thanks to the open deck layout and included coil cutting tool. Coil legs are typically trimmed to around 5mm before being secured into the postless deck.
Once installed, coils are centered and pulsed to remove any hot spots, ensuring even heating and stable performance.

Wicking & Setup Experience
The deeper wicking channels make cotton placement more forgiving, especially for dual-coil builds that require consistent juice delivery.
Cotton should be fluffed and guided naturally into the wicking ports without excessive compression. Over-packing can restrict liquid flow, while a loose but controlled fit ensures optimal saturation.
Real-World Performance
Performance is where the Dead Rabbit RTA 4 shows its real strength in everyday use. Instead of relying on specifications alone, it delivers a consistent and reliable experience across different builds and wattage ranges.
Flavor is consistently rich and well-defined, with the airflow system helping maintain clarity even on more complex dual-coil setups. The result is a saturated but controlled vape profile that works well for extended use.
Vapor production is strong and satisfying, particularly for users running higher-wattage dual-coil builds. The airflow design supports dense output without sacrificing smoothness.
Airflow control remains predictable and easy to adjust, offering a usable range from open DL draws to more restricted setups. The draw stays consistent without harsh transitions between settings.
Heat management is well controlled during extended sessions. Even under sustained use, the vapor temperature remains comfortable, supported by the top-to-bottom airflow structure and solid chamber design.
Pros & Cons
Pros:
- Excellent flavor performance
- Very smooth airflow
- Easier dual-coil building
- Improved leak resistance
- Strong cloud production
Cons:
- Not beginner-friendly
- Requires proper wicking skill
- Large size not for compact setups
Dead Rabbit 4 FAQs
Q1: Is The Dead Rabbit 4 RTA Beginner-Friendly?
No. This is better suited for intermediate to advanced builders who are comfortable working with dual-coil setups and wicking.
Q2: Does the Dead Rabbit Tank Leak?
Not if it’s wicked properly. The top-to-bottom airflow design helps a lot, but poor wicking can still cause issues like any RTA.
Q3: Is It For DL or MTL Vaping?
It’s designed strictly for direct-lung (DL) vaping. You won’t get a proper MTL draw from this setup.
Q4: Is The Dead Rabbit 4 RTA Better Than The Dead Rabbit 3?
Yes. Compared to Dead Rabbit 3, the Dead Rabbit 4 RTA is widely regarded as an improvement in airflow smoothness and building ease, making it a more refined upgrade overall.
Who Should Buy the Dead Rabbit 4 RTA
The Dead Rabbit 4 RTA is best suited for:
- Dual-coil enthusiasts
- Direct-lung vapers
- Flavor-focused rebuildable users
- Cloud chasers
- Intermediate and advanced builders
It may not be ideal for:
- Mouth-to-lung users
- Ultra-compact setups
- Users who don’t want to build or wick coils
Final Verdict
The Hellvape Dead Rabbit 4 RTA stays true to the series’ core identity while refining the overall experience in subtle but meaningful ways. It doesn’t try to reinvent the platform, instead focusing on smoother daily use and more consistent performance.
For users already familiar with dual-coil RTAs, it feels like a natural, polished evolution rather than a dramatic upgrade. It stands out as a dependable high-performance dual-coil RTA that consistently delivers in flavor, airflow smoothness, and build convenience, prioritizing real-world usability over experimental design changes.


