Open vs. closed e-cigarettes: structural differences and user experience comparison
The e-cigarette market has developed rapidly in recent years and is mainly divided into two categories: open system and closed system. There are significant differences between these two designs in terms of structure, usage, cost, taste, etc., which directly affect the user experience. This article will compare the advantages and disadvantages of open and closed e-cigarettes in depth to help consumers make more appropriate choices.
Open e-cigarette (Open System)
Definition: Allows users to replace the e-liquid, atomizer core and even adjust the power, airflow and other parameters of the device.
Typical representatives: refillable e-cigarettes from brands such as Vaporesso, GeekVape, and SMOK.
Core features: The e-liquid bottle is independent and different brands and flavors can be freely selected.
The atomizer is detachable and the user can replace the coil (Coil) by himself.
Usually paired with a high-power battery (Mod), supporting voltage and power adjustment modes.
Closed e-cigarette (Closed System)
Definition: Use pre-filled oil cartridges (Pod), which can be replaced and used immediately, and cannot be filled or replaced by yourself. Typical representatives: JUUL, RELX, Vuse and other cartridge-type e-cigarettes. Core features: integrated cartridge design, disposable or partially recyclable. No manual maintenance required, suitable for novice users. Usually small in size and highly portable.
Structural Difference Comparison
| Comparison Items | Open electronic cigarette | Closed electronic cigarette |
|---|---|---|
| How to store e-liquid | Refillable (bottled e-liquid) | Pre-filled oil (disposable cartridges) |
| Atomizer core replacement | Manually replaceable | Not replaceable (discarded with the cartridge) |
| Battery Type | Large capacity removable battery |
Built-in small battery (300-800mAh)
|
| Power Regulation | Support (5W-200W+) |
Fixed power (usually 6W-15W)
|
| Airflow path | Adjustable |
Fixed design
|
|
Maintenance Difficulty |
Higher (need to clean, replace the core) |
Very low (plug and play)
|
User experience comparison
Open electronic cigarette: large smoke volume, suitable for users who pursue "big smoke". The taste is more delicate, because the power and coil resistance can be adjusted to match different e-liquid characteristics (such as VG/PG ratio). Users need to fill and replace the core by themselves, suitable for players who like DIY. The equipment is usually large and less portable.
Closed electronic cigarette: small smoke volume, closer to the inhalation feeling of traditional cigarettes, high taste stability, but less choice (depending on the manufacturer's cartridges). Ready to use and throw, no maintenance required, suitable for novices or users who pursue convenience. Small size (such as JUUL is only the size of a USB flash drive), easy to carry.
| Fee Type | Open electronic cigarette | Closed electronic cigarette |
|---|---|---|
| Initial Cost | Higher (equipment + e-liquid + accessories) | Lower |
| Long-term use | More economical (low unit price of e-liquid) | Continuous expenditure on cartridges is high |
| Maintenance costs | The coil and cotton core need to be replaced regularly | No additional maintenance |
Recommended open electronic cigarette users: players who pursue large smoke and customized taste. Veterans who hope to reduce costs by long-term use. Consumers who like to try different e-liquid brands.
Recommended closed electronic cigarette users*: Newcomers who have just come into contact with electronic cigarettes and hope for simple operation. Business people or daily commuters who need high portability. Users who have high requirements for taste consistency and are unwilling to toss and maintain.
Final suggestion:
If you are a novice or looking for convenience, choose closed type first.
If you are an experienced user or looking for cost-effectiveness, choose open type.
With the advancement of technology, the boundaries between the two may gradually blur, but the core differences will still exist for a long time. Please weigh your own needs and budget when choosing!
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